./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--net--can--usb--ems_usb.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_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/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_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/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--net--can--usb--ems_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/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_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/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 be936ec9376452d086f72aa92ac4fe7deb233a068e40e0ed8f478fbc228d19b6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:10:45,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:10:45,380 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:10:45,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:10:45,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:10:45,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:10:45,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:10:45,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:10:45,435 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:10:45,437 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:10:45,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:10:45,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:10:45,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:10:45,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:10:45,445 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:10:45,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:10:45,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:10:45,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:10:45,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:10:45,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:10:45,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:10:45,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:10:45,449 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:10:45,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:10:45,450 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:10:45,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:10:45,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:10:45,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:10:45,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:10:45,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:10:45,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:10:45,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:10:45,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:10:45,454 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:10:45,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:10:45,455 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:10:45,455 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:10:45,455 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:10:45,456 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:10:45,456 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_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be936ec9376452d086f72aa92ac4fe7deb233a068e40e0ed8f478fbc228d19b6 [2024-10-31 22:10:45,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:10:45,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:10:45,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:10:45,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:10:45,792 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:10:45,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-10-31 22:10:47,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:10:48,478 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:10:48,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i [2024-10-31 22:10:48,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/bin/uautomizer-verify-4GaUIPS5ZU/data/5f55a4d08/9286bfb07ae5471aa61ea72aefc47d33/FLAG9ae593095 [2024-10-31 22:10:48,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/bin/uautomizer-verify-4GaUIPS5ZU/data/5f55a4d08/9286bfb07ae5471aa61ea72aefc47d33 [2024-10-31 22:10:48,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:10:48,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:10:48,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:10:48,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:10:48,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:10:48,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:10:48" (1/1) ... [2024-10-31 22:10:48,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd53f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:48, skipping insertion in model container [2024-10-31 22:10:48,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:10:48" (1/1) ... [2024-10-31 22:10:48,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:10:49,929 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_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i[164250,164263] [2024-10-31 22:10:50,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:10:50,548 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:10:50,785 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 %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5441] [2024-10-31 22:10:50,788 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5448] [2024-10-31 22:10:50,788 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; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5456-5457] [2024-10-31 22:10:50,791 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)); [5485] [2024-10-31 22:10:50,795 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": "+m" (v->counter)); [5492] [2024-10-31 22:10:50,815 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_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i[164250,164263] [2024-10-31 22:10:50,895 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/6225/dscv_tempdir/dscv/ri/144_2a/drivers/net/can/usb/ems_usb.o.c.prepared"), "i" (546), "i" (12UL)); [6159-6160] [2024-10-31 22:10:51,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:10:51,217 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:10:51,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:51 WrapperNode [2024-10-31 22:10:51,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:10:51,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:10:51,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:10:51,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:10:51,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:51" (1/1) ... [2024-10-31 22:10:51,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:51" (1/1) ... [2024-10-31 22:10:51,467 INFO L138 Inliner]: procedures = 168, calls = 765, calls flagged for inlining = 78, calls inlined = 78, statements flattened = 2300 [2024-10-31 22:10:51,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:10:51,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:10:51,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:10:51,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:10:51,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:51" (1/1) ... [2024-10-31 22:10:51,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:51" (1/1) ... [2024-10-31 22:10:51,505 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:51" (1/1) ... [2024-10-31 22:10:51,976 INFO L175 MemorySlicer]: Split 454 memory accesses to 8 slices as follows [2, 44, 342, 20, 9, 9, 20, 8]. 75 percent of accesses are in the largest equivalence class. The 44 initializations are split as follows [2, 0, 34, 0, 0, 0, 0, 8]. The 224 writes are split as follows [0, 44, 164, 0, 0, 5, 11, 0]. [2024-10-31 22:10:51,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:51" (1/1) ... [2024-10-31 22:10:51,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:51" (1/1) ... [2024-10-31 22:10:52,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:51" (1/1) ... [2024-10-31 22:10:52,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:51" (1/1) ... [2024-10-31 22:10:52,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:51" (1/1) ... [2024-10-31 22:10:52,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:51" (1/1) ... [2024-10-31 22:10:52,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:10:52,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:10:52,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:10:52,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:10:52,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:51" (1/1) ... [2024-10-31 22:10:52,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:10:52,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:10:52,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:10:52,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4c6a83-c431-4ac3-91df-16c4fb8cd7f0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:10:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-10-31 22:10:52,279 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-10-31 22:10:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:10:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:10:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:10:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:10:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:10:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:10:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:10:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:10:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_18 [2024-10-31 22:10:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_18 [2024-10-31 22:10:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2024-10-31 22:10:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2024-10-31 22:10:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2024-10-31 22:10:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2024-10-31 22:10:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-10-31 22:10:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-10-31 22:10:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-31 22:10:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-31 22:10:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-31 22:10:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-31 22:10:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-31 22:10:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-31 22:10:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-31 22:10:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-31 22:10:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:10:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:10:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:10:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:10:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:10:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:10:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:10:52,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:10:52,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-31 22:10:52,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-31 22:10:52,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:10:52,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:10:52,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:10:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:10:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:10:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:10:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:10:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:10:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-10-31 22:10:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-10-31 22:10:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_read_bulk_callback [2024-10-31 22:10:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_read_bulk_callback [2024-10-31 22:10:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2024-10-31 22:10:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2024-10-31 22:10:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-10-31 22:10:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-10-31 22:10:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2024-10-31 22:10:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2024-10-31 22:10:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-31 22:10:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-31 22:10:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-10-31 22:10:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-10-31 22:10:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-31 22:10:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-31 22:10:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-10-31 22:10:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-10-31 22:10:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-10-31 22:10:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-10-31 22:10:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2024-10-31 22:10:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2024-10-31 22:10:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-31 22:10:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-31 22:10:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2024-10-31 22:10:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2024-10-31 22:10:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:10:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:10:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:10:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:10:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:10:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:10:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:10:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:10:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-31 22:10:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-31 22:10:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-31 22:10:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-31 22:10:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:10:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:10:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-31 22:10:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-31 22:10:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2024-10-31 22:10:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2024-10-31 22:10:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:10:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-10-31 22:10:52,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-10-31 22:10:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-10-31 22:10:52,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-10-31 22:10:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2024-10-31 22:10:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2024-10-31 22:10:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:10:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-10-31 22:10:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-10-31 22:10:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-31 22:10:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-31 22:10:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:10:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:10:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:10:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:10:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:10:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:10:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:10:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:10:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:10:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2024-10-31 22:10:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2024-10-31 22:10:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-31 22:10:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-31 22:10:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-10-31 22:10:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-10-31 22:10:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-10-31 22:10:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-10-31 22:10:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:10:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:10:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:10:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:10:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:10:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:10:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:10:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:10:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_disconnect [2024-10-31 22:10:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_disconnect [2024-10-31 22:10:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-10-31 22:10:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-10-31 22:10:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-10-31 22:10:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-10-31 22:10:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_read_interrupt_callback [2024-10-31 22:10:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_read_interrupt_callback [2024-10-31 22:10:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-10-31 22:10:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-10-31 22:10:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:10:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-10-31 22:10:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-10-31 22:10:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_rx_err [2024-10-31 22:10:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_rx_err [2024-10-31 22:10:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-31 22:10:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-31 22:10:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-10-31 22:10:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-10-31 22:10:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-31 22:10:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-31 22:10:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-10-31 22:10:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-10-31 22:10:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-31 22:10:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-31 22:10:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-10-31 22:10:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-10-31 22:10:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-31 22:10:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-31 22:10:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-10-31 22:10:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-10-31 22:10:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-10-31 22:10:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-10-31 22:10:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2024-10-31 22:10:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2024-10-31 22:10:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:10:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:10:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:10:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:10:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:10:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:10:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:10:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:10:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2024-10-31 22:10:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2024-10-31 22:10:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-31 22:10:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-31 22:10:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-31 22:10:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-31 22:10:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-31 22:10:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-31 22:10:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-31 22:10:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-31 22:10:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-31 22:10:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-31 22:10:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:10:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:10:52,975 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:10:52,981 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:10:53,089 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-31 22:10:53,865 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-10-31 22:11:01,173 INFO L? ?]: Removed 985 outVars from TransFormulas that were not future-live. [2024-10-31 22:11:01,173 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:11:01,220 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:11:01,223 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:11:01,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:01 BoogieIcfgContainer [2024-10-31 22:11:01,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:11:01,230 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:11:01,231 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:11:01,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:11:01,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:10:48" (1/3) ... [2024-10-31 22:11:01,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279148a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:01, skipping insertion in model container [2024-10-31 22:11:01,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:51" (2/3) ... [2024-10-31 22:11:01,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279148a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:01, skipping insertion in model container [2024-10-31 22:11:01,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:01" (3/3) ... [2024-10-31 22:11:01,242 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i [2024-10-31 22:11:01,263 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:11:01,264 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:11:01,389 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:11:01,397 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;@6adb3562, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:11:01,397 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:11:01,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 784 states, 575 states have (on average 1.342608695652174) internal successors, (772), 601 states have internal predecessors, (772), 157 states have call successors, (157), 52 states have call predecessors, (157), 50 states have return successors, (151), 146 states have call predecessors, (151), 151 states have call successors, (151) [2024-10-31 22:11:01,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-31 22:11:01,420 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:01,420 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:01,421 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:01,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:01,427 INFO L85 PathProgramCache]: Analyzing trace with hash -580361329, now seen corresponding path program 1 times [2024-10-31 22:11:01,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:01,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827730388] [2024-10-31 22:11:01,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:01,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:05,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:11:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:05,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:11:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:05,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 22:11:05,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:05,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827730388] [2024-10-31 22:11:05,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827730388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:05,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:05,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:11:05,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117181915] [2024-10-31 22:11:05,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:05,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:11:05,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:05,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:11:05,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:11:05,486 INFO L87 Difference]: Start difference. First operand has 784 states, 575 states have (on average 1.342608695652174) internal successors, (772), 601 states have internal predecessors, (772), 157 states have call successors, (157), 52 states have call predecessors, (157), 50 states have return successors, (151), 146 states have call predecessors, (151), 151 states have call successors, (151) Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:11:09,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:11:13,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []