./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 66b2f104726c03e3846e38f6b09c6a45d6c8d058156e96895db9342600740310 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:50,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:50,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:04:50,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:50,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:50,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:50,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:50,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:50,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:50,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:50,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:50,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:50,242 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:50,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:50,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:50,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:04:50,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:50,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:50,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:50,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:50,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:50,249 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:50,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:50,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:50,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:50,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:50,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:50,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:50,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:50,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:04:50,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:04:50,256 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:50,256 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:50,257 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:50,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:50,257 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:50,258 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_02b8d4f6-a89d-430f-958a-2cc1180a714f/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b2f104726c03e3846e38f6b09c6a45d6c8d058156e96895db9342600740310 [2023-11-19 08:04:50,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:50,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:50,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:50,631 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:50,632 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:50,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2023-11-19 08:04:53,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:54,372 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:54,373 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2023-11-19 08:04:54,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/bin/uautomizer-verify-uCwYo4JHxu/data/48c07975e/07298e3a7d5d4aaeac7990cf48a88313/FLAG967008181 [2023-11-19 08:04:54,448 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/bin/uautomizer-verify-uCwYo4JHxu/data/48c07975e/07298e3a7d5d4aaeac7990cf48a88313 [2023-11-19 08:04:54,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:54,452 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:54,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:54,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:54,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:54,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:54" (1/1) ... [2023-11-19 08:04:54,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7592562e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:54, skipping insertion in model container [2023-11-19 08:04:54,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:54" (1/1) ... [2023-11-19 08:04:54,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:56,896 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i[287455,287468] [2023-11-19 08:04:56,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:57,019 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:57,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5924] [2023-11-19 08:04:57,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5932] [2023-11-19 08:04:57,384 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"); [7007] [2023-11-19 08:04:57,384 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)); [7014] [2023-11-19 08:04:57,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [7040] [2023-11-19 08:04:57,797 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i[287455,287468] [2023-11-19 08:04:57,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:57,933 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:57,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:57 WrapperNode [2023-11-19 08:04:57,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:57,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:57,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:57,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:57,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:57" (1/1) ... [2023-11-19 08:04:58,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:57" (1/1) ... [2023-11-19 08:04:58,270 INFO L138 Inliner]: procedures = 274, calls = 2182, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 5209 [2023-11-19 08:04:58,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:58,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:58,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:58,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:58,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:57" (1/1) ... [2023-11-19 08:04:58,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:57" (1/1) ... [2023-11-19 08:04:58,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:57" (1/1) ... [2023-11-19 08:04:58,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:57" (1/1) ... [2023-11-19 08:04:58,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:57" (1/1) ... [2023-11-19 08:04:58,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:57" (1/1) ... [2023-11-19 08:04:58,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:57" (1/1) ... [2023-11-19 08:04:58,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:57" (1/1) ... [2023-11-19 08:04:58,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:58,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:58,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:58,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:58,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:57" (1/1) ... [2023-11-19 08:04:58,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:58,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:58,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:58,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b8d4f6-a89d-430f-958a-2cc1180a714f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2023-11-19 08:04:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2023-11-19 08:04:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2023-11-19 08:04:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2023-11-19 08:04:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 08:04:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:04:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 08:04:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 08:04:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 08:04:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 08:04:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 08:04:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 08:04:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2023-11-19 08:04:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2023-11-19 08:04:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2023-11-19 08:04:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2023-11-19 08:04:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 08:04:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 08:04:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 08:04:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 08:04:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:04:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:04:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2023-11-19 08:04:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2023-11-19 08:04:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2023-11-19 08:04:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2023-11-19 08:04:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:04:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:04:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 08:04:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 08:04:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:04:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:04:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2023-11-19 08:04:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2023-11-19 08:04:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 08:04:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 08:04:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 08:04:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 08:04:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2023-11-19 08:04:58,730 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2023-11-19 08:04:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2023-11-19 08:04:58,730 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2023-11-19 08:04:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2023-11-19 08:04:58,730 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2023-11-19 08:04:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2023-11-19 08:04:58,730 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2023-11-19 08:04:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2023-11-19 08:04:58,731 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2023-11-19 08:04:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 08:04:58,731 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 08:04:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_get_stats [2023-11-19 08:04:58,731 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_get_stats [2023-11-19 08:04:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:04:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2023-11-19 08:04:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2023-11-19 08:04:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2023-11-19 08:04:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2023-11-19 08:04:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2023-11-19 08:04:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2023-11-19 08:04:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:04:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 08:04:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 08:04:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 08:04:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 08:04:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 08:04:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 08:04:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2023-11-19 08:04:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2023-11-19 08:04:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:04:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2023-11-19 08:04:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2023-11-19 08:04:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:04:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 08:04:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 08:04:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 08:04:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 08:04:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 08:04:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 08:04:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 08:04:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 08:04:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2023-11-19 08:04:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2023-11-19 08:04:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 08:04:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 08:04:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2023-11-19 08:04:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2023-11-19 08:04:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-19 08:04:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-19 08:04:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2023-11-19 08:04:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2023-11-19 08:04:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2023-11-19 08:04:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2023-11-19 08:04:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 08:04:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:04:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2023-11-19 08:04:58,737 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2023-11-19 08:04:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:04:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 08:04:58,737 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 08:04:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-19 08:04:58,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-19 08:04:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 08:04:58,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 08:04:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 08:04:58,738 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 08:04:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2023-11-19 08:04:58,738 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2023-11-19 08:04:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2023-11-19 08:04:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2023-11-19 08:04:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:04:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 08:04:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 08:04:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 08:04:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 08:04:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-19 08:04:58,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-19 08:04:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:04:58,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:04:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2023-11-19 08:04:58,740 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2023-11-19 08:04:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ioctl [2023-11-19 08:04:58,740 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ioctl [2023-11-19 08:04:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 08:04:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 08:04:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2023-11-19 08:04:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2023-11-19 08:04:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2023-11-19 08:04:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2023-11-19 08:04:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2023-11-19 08:04:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2023-11-19 08:04:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:04:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 08:04:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 08:04:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 08:04:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 08:04:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 08:04:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 08:04:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:04:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2023-11-19 08:04:58,743 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2023-11-19 08:04:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 08:04:58,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 08:04:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-19 08:04:58,743 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-19 08:04:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:04:58,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:04:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 08:04:58,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 08:04:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2023-11-19 08:04:58,744 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2023-11-19 08:04:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 08:04:58,744 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 08:04:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2023-11-19 08:04:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2023-11-19 08:04:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-19 08:04:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-19 08:04:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:04:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2023-11-19 08:04:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2023-11-19 08:04:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 08:04:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 08:04:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-19 08:04:58,746 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-19 08:04:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-19 08:04:58,746 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-19 08:04:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:58,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-19 08:04:58,746 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-19 08:04:59,399 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:59,406 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:05:01,091 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:05:07,578 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:05:07,619 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:05:07,619 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:05:07,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:07 BoogieIcfgContainer [2023-11-19 08:05:07,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:05:07,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:05:07,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:05:07,651 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:05:07,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:54" (1/3) ... [2023-11-19 08:05:07,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de8276d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:07, skipping insertion in model container [2023-11-19 08:05:07,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:57" (2/3) ... [2023-11-19 08:05:07,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de8276d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:07, skipping insertion in model container [2023-11-19 08:05:07,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:07" (3/3) ... [2023-11-19 08:05:07,657 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2023-11-19 08:05:07,680 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:05:07,680 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:05:07,812 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:05:07,820 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4d896a4a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:05:07,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:05:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 2269 states, 1567 states have (on average 1.402680280791321) internal successors, (2198), 1615 states have internal predecessors, (2198), 624 states have call successors, (624), 77 states have call predecessors, (624), 76 states have return successors, (618), 603 states have call predecessors, (618), 618 states have call successors, (618) [2023-11-19 08:05:07,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-19 08:05:07,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:07,871 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:07,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:07,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:07,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1334974570, now seen corresponding path program 1 times [2023-11-19 08:05:07,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:07,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380965545] [2023-11-19 08:05:07,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:07,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:08,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:05:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:08,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:05:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:08,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:05:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:08,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:05:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:08,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:05:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:08,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:05:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:08,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:05:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:08,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:05:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:08,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:05:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 08:05:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:09,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:05:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:09,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 08:05:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:09,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:05:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:09,125 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-19 08:05:09,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:09,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380965545] [2023-11-19 08:05:09,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380965545] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:09,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:09,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:05:09,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239453100] [2023-11-19 08:05:09,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:09,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:05:09,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:09,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:05:09,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:05:09,193 INFO L87 Difference]: Start difference. First operand has 2269 states, 1567 states have (on average 1.402680280791321) internal successors, (2198), 1615 states have internal predecessors, (2198), 624 states have call successors, (624), 77 states have call predecessors, (624), 76 states have return successors, (618), 603 states have call predecessors, (618), 618 states have call successors, (618) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 08:05:14,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:05:18,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:05:22,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:22,498 INFO L93 Difference]: Finished difference Result 4810 states and 7711 transitions. [2023-11-19 08:05:22,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:05:22,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 93 [2023-11-19 08:05:22,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:22,578 INFO L225 Difference]: With dead ends: 4810 [2023-11-19 08:05:22,578 INFO L226 Difference]: Without dead ends: 2529 [2023-11-19 08:05:22,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:05:22,633 INFO L413 NwaCegarLoop]: 2465 mSDtfsCounter, 1771 mSDsluCounter, 2370 mSDsCounter, 0 mSdLazyCounter, 2848 mSolverCounterSat, 1687 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1814 SdHoareTripleChecker+Valid, 4835 SdHoareTripleChecker+Invalid, 4535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1687 IncrementalHoareTripleChecker+Valid, 2848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:22,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1814 Valid, 4835 Invalid, 4535 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1687 Valid, 2848 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2023-11-19 08:05:22,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2529 states. [2023-11-19 08:05:22,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2529 to 2252. [2023-11-19 08:05:22,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2252 states, 1558 states have (on average 1.3671373555840822) internal successors, (2130), 1598 states have internal predecessors, (2130), 618 states have call successors, (618), 76 states have call predecessors, (618), 75 states have return successors, (617), 602 states have call predecessors, (617), 617 states have call successors, (617) [2023-11-19 08:05:23,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 2252 states and 3365 transitions. [2023-11-19 08:05:23,014 INFO L78 Accepts]: Start accepts. Automaton has 2252 states and 3365 transitions. Word has length 93 [2023-11-19 08:05:23,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:23,015 INFO L495 AbstractCegarLoop]: Abstraction has 2252 states and 3365 transitions. [2023-11-19 08:05:23,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 08:05:23,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 3365 transitions. [2023-11-19 08:05:23,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-19 08:05:23,025 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:23,026 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:23,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:05:23,027 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:23,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:23,028 INFO L85 PathProgramCache]: Analyzing trace with hash -981264304, now seen corresponding path program 1 times [2023-11-19 08:05:23,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:23,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690524368] [2023-11-19 08:05:23,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:23,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:23,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:05:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:23,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:05:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:23,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:05:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:23,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:05:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:23,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:05:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:05:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:23,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:05:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:23,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:05:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:23,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:05:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:23,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 08:05:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:23,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:05:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:23,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 08:05:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:23,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:05:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:23,605 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-19 08:05:23,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:23,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690524368] [2023-11-19 08:05:23,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690524368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:23,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:23,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:05:23,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162757944] [2023-11-19 08:05:23,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:23,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:05:23,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:23,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:05:23,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:05:23,613 INFO L87 Difference]: Start difference. First operand 2252 states and 3365 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-19 08:05:32,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:05:37,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []