./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 cf1a7837 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_f1071428-f638-4b0f-8204-d73ace24aece/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1071428-f638-4b0f-8204-d73ace24aece/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1071428-f638-4b0f-8204-d73ace24aece/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1071428-f638-4b0f-8204-d73ace24aece/bin/uautomizer-verify-uTZkv6EMXl/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_f1071428-f638-4b0f-8204-d73ace24aece/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1071428-f638-4b0f-8204-d73ace24aece/bin/uautomizer-verify-uTZkv6EMXl --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-cf1a783 [2023-11-12 02:17:18,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:17:18,087 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1071428-f638-4b0f-8204-d73ace24aece/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:17:18,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:17:18,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:17:18,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:17:18,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:17:18,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:17:18,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:17:18,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:17:18,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:17:18,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:17:18,150 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:17:18,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:17:18,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:17:18,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:17:18,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:17:18,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:17:18,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:17:18,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:17:18,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:17:18,156 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:17:18,156 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:17:18,156 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:17:18,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:17:18,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:17:18,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:17:18,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:17:18,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:17:18,159 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:17:18,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:17:18,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:17:18,160 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:17:18,160 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:17:18,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:17:18,161 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:17:18,161 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_f1071428-f638-4b0f-8204-d73ace24aece/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1071428-f638-4b0f-8204-d73ace24aece/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b2f104726c03e3846e38f6b09c6a45d6c8d058156e96895db9342600740310 [2023-11-12 02:17:18,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:17:18,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:17:18,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:17:18,443 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:17:18,443 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:17:18,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1071428-f638-4b0f-8204-d73ace24aece/bin/uautomizer-verify-uTZkv6EMXl/../../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 [2023-11-12 02:17:21,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:17:22,425 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:17:22,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1071428-f638-4b0f-8204-d73ace24aece/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 [2023-11-12 02:17:22,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1071428-f638-4b0f-8204-d73ace24aece/bin/uautomizer-verify-uTZkv6EMXl/data/0427ff435/38e8d6cf276d44599cbaa151f26d9139/FLAG492bfed1e [2023-11-12 02:17:22,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1071428-f638-4b0f-8204-d73ace24aece/bin/uautomizer-verify-uTZkv6EMXl/data/0427ff435/38e8d6cf276d44599cbaa151f26d9139 [2023-11-12 02:17:22,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:17:22,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:17:22,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:22,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:17:22,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:17:22,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:22" (1/1) ... [2023-11-12 02:17:22,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4540f4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:22, skipping insertion in model container [2023-11-12 02:17:22,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:22" (1/1) ... [2023-11-12 02:17:22,666 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:17:24,900 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_f1071428-f638-4b0f-8204-d73ace24aece/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] [2023-11-12 02:17:24,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:25,028 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:17:25,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5924] [2023-11-12 02:17:25,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5932] [2023-11-12 02:17:25,346 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] [2023-11-12 02:17:25,346 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] [2023-11-12 02:17:25,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [7040] [2023-11-12 02:17:25,765 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_f1071428-f638-4b0f-8204-d73ace24aece/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] [2023-11-12 02:17:25,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:25,922 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:17:25,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:25 WrapperNode [2023-11-12 02:17:25,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:25,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:17:25,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:17:25,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:17:25,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:25" (1/1) ... [2023-11-12 02:17:26,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:25" (1/1) ... [2023-11-12 02:17:26,304 INFO L138 Inliner]: procedures = 274, calls = 2182, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 5209 [2023-11-12 02:17:26,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:17:26,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:17:26,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:17:26,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:17:26,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:25" (1/1) ... [2023-11-12 02:17:26,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:25" (1/1) ... [2023-11-12 02:17:26,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:25" (1/1) ... [2023-11-12 02:17:26,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:25" (1/1) ... [2023-11-12 02:17:26,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:25" (1/1) ... [2023-11-12 02:17:26,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:25" (1/1) ... [2023-11-12 02:17:26,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:25" (1/1) ... [2023-11-12 02:17:26,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:25" (1/1) ... [2023-11-12 02:17:26,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:17:26,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:17:26,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:17:26,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:17:26,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:25" (1/1) ... [2023-11-12 02:17:26,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:17:26,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1071428-f638-4b0f-8204-d73ace24aece/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:17:26,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1071428-f638-4b0f-8204-d73ace24aece/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:17:26,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1071428-f638-4b0f-8204-d73ace24aece/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:17:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2023-11-12 02:17:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2023-11-12 02:17:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2023-11-12 02:17:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2023-11-12 02:17:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:17:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:17:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 02:17:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 02:17:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:17:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:17:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:17:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:17:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2023-11-12 02:17:26,784 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2023-11-12 02:17:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2023-11-12 02:17:26,784 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2023-11-12 02:17:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:17:26,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:17:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 02:17:26,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 02:17:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:17:26,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:17:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2023-11-12 02:17:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2023-11-12 02:17:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2023-11-12 02:17:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2023-11-12 02:17:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:17:26,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:17:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:17:26,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:17:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:17:26,788 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:17:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2023-11-12 02:17:26,789 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2023-11-12 02:17:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:17:26,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:17:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-12 02:17:26,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-12 02:17:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2023-11-12 02:17:26,790 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2023-11-12 02:17:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2023-11-12 02:17:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2023-11-12 02:17:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2023-11-12 02:17:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2023-11-12 02:17:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2023-11-12 02:17:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2023-11-12 02:17:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2023-11-12 02:17:26,792 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2023-11-12 02:17:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 02:17:26,792 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 02:17:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_get_stats [2023-11-12 02:17:26,792 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_get_stats [2023-11-12 02:17:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:17:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2023-11-12 02:17:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2023-11-12 02:17:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2023-11-12 02:17:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2023-11-12 02:17:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2023-11-12 02:17:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2023-11-12 02:17:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:17:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 02:17:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 02:17:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 02:17:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 02:17:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:17:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:17:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2023-11-12 02:17:26,796 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2023-11-12 02:17:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:17:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2023-11-12 02:17:26,797 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2023-11-12 02:17:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:17:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:17:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:17:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 02:17:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 02:17:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-12 02:17:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-12 02:17:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:17:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:17:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2023-11-12 02:17:26,800 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2023-11-12 02:17:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:17:26,800 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:17:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2023-11-12 02:17:26,800 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2023-11-12 02:17:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-12 02:17:26,801 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-12 02:17:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2023-11-12 02:17:26,802 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2023-11-12 02:17:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2023-11-12 02:17:26,802 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2023-11-12 02:17:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:17:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:17:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2023-11-12 02:17:26,803 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2023-11-12 02:17:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:17:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:17:26,803 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:17:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-12 02:17:26,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-12 02:17:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 02:17:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 02:17:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:17:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:17:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2023-11-12 02:17:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2023-11-12 02:17:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2023-11-12 02:17:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2023-11-12 02:17:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:17:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 02:17:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 02:17:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 02:17:26,806 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 02:17:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-12 02:17:26,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-12 02:17:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:17:26,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:17:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2023-11-12 02:17:26,808 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2023-11-12 02:17:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ioctl [2023-11-12 02:17:26,808 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ioctl [2023-11-12 02:17:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 02:17:26,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 02:17:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2023-11-12 02:17:26,809 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2023-11-12 02:17:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2023-11-12 02:17:26,809 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2023-11-12 02:17:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2023-11-12 02:17:26,809 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2023-11-12 02:17:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:17:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 02:17:26,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 02:17:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-12 02:17:26,810 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-12 02:17:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:17:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:17:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:17:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:17:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2023-11-12 02:17:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2023-11-12 02:17:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-12 02:17:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-12 02:17:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-12 02:17:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-12 02:17:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:17:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:17:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:17:26,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:17:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2023-11-12 02:17:26,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2023-11-12 02:17:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 02:17:26,813 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 02:17:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2023-11-12 02:17:26,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2023-11-12 02:17:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-12 02:17:26,814 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-12 02:17:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:17:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2023-11-12 02:17:26,814 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2023-11-12 02:17:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 02:17:26,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 02:17:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-12 02:17:26,815 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-12 02:17:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-12 02:17:26,815 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-12 02:17:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:17:26,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:17:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-12 02:17:26,816 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-12 02:17:27,555 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:17:27,558 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:17:28,976 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:17:35,789 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:17:35,820 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:17:35,820 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:17:35,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:17:35 BoogieIcfgContainer [2023-11-12 02:17:35,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:17:35,831 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:17:35,831 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:17:35,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:17:35,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:17:22" (1/3) ... [2023-11-12 02:17:35,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764df971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:17:35, skipping insertion in model container [2023-11-12 02:17:35,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:25" (2/3) ... [2023-11-12 02:17:35,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764df971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:17:35, skipping insertion in model container [2023-11-12 02:17:35,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:17:35" (3/3) ... [2023-11-12 02:17:35,838 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2023-11-12 02:17:35,860 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:17:35,861 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:17:35,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:17:35,987 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;@4cb48e88, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:17:35,987 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:17:36,005 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) [2023-11-12 02:17:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-12 02:17:36,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:17:36,042 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] [2023-11-12 02:17:36,043 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:17:36,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:17:36,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1334974570, now seen corresponding path program 1 times [2023-11-12 02:17:36,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:17:36,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238163463] [2023-11-12 02:17:36,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:17:36,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:17:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:36,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:17:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:36,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:17:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:36,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:17:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:36,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:36,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:17:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:36,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:17:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:36,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:37,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:17:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:37,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:17:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:37,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:17:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-12 02:17:37,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:17:37,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238163463] [2023-11-12 02:17:37,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238163463] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:17:37,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:17:37,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:17:37,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954909284] [2023-11-12 02:17:37,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:17:37,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:17:37,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:17:37,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:17:37,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:17:37,176 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) [2023-11-12 02:17:42,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:17:44,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:17:46,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:17:50,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:17:54,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:17:54,129 INFO L93 Difference]: Finished difference Result 4810 states and 7711 transitions. [2023-11-12 02:17:54,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:17:54,132 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 [2023-11-12 02:17:54,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:17:54,191 INFO L225 Difference]: With dead ends: 4810 [2023-11-12 02:17:54,191 INFO L226 Difference]: Without dead ends: 2529 [2023-11-12 02:17:54,237 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 [2023-11-12 02:17:54,241 INFO L413 NwaCegarLoop]: 2465 mSDtfsCounter, 1771 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 2843 mSolverCounterSat, 1687 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1814 SdHoareTripleChecker+Valid, 4839 SdHoareTripleChecker+Invalid, 4532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1687 IncrementalHoareTripleChecker+Valid, 2843 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:17:54,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1814 Valid, 4839 Invalid, 4532 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1687 Valid, 2843 Invalid, 2 Unknown, 0 Unchecked, 16.3s Time] [2023-11-12 02:17:54,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2529 states. [2023-11-12 02:17:54,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2529 to 2252. [2023-11-12 02:17:54,500 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) [2023-11-12 02:17:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 2252 states and 3365 transitions. [2023-11-12 02:17:54,541 INFO L78 Accepts]: Start accepts. Automaton has 2252 states and 3365 transitions. Word has length 93 [2023-11-12 02:17:54,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:17:54,542 INFO L495 AbstractCegarLoop]: Abstraction has 2252 states and 3365 transitions. [2023-11-12 02:17:54,542 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) [2023-11-12 02:17:54,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 3365 transitions. [2023-11-12 02:17:54,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-12 02:17:54,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:17:54,549 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] [2023-11-12 02:17:54,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:17:54,550 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:17:54,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:17:54,551 INFO L85 PathProgramCache]: Analyzing trace with hash -981264304, now seen corresponding path program 1 times [2023-11-12 02:17:54,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:17:54,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427264019] [2023-11-12 02:17:54,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:17:54,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:17:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:54,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:17:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:54,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:54,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:17:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:54,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:17:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:55,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:55,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:17:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:55,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:17:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:55,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:17:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:55,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:17:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:55,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:55,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:17:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:55,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:55,201 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-12 02:17:55,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:17:55,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427264019] [2023-11-12 02:17:55,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427264019] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:17:55,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:17:55,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:17:55,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147788728] [2023-11-12 02:17:55,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:17:55,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:17:55,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:17:55,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:17:55,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:17:55,206 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) [2023-11-12 02:18:04,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:18:06,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []