./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--ethernet--realtek--atp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b615ef3e9ec848bbbdbcac9993fc5d609594ef1caaa279a862c4f038e6ec482e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:14:38,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:14:38,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:14:38,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:14:38,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:14:38,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:14:38,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:14:38,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:14:38,412 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:14:38,414 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:14:38,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:14:38,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:14:38,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:14:38,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:14:38,417 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:14:38,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:14:38,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:14:38,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:14:38,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:14:38,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:14:38,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:14:38,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:14:38,426 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:14:38,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:14:38,427 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:14:38,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:14:38,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:14:38,428 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:14:38,428 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:14:38,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:38,429 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:14:38,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:14:38,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:14:38,432 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:14:38,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:14:38,432 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:14:38,433 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:14:38,433 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:14:38,433 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:14:38,434 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_534c37ea-8b0f-400e-9e67-5036d4d37ebb/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b615ef3e9ec848bbbdbcac9993fc5d609594ef1caaa279a862c4f038e6ec482e [2024-10-31 22:14:38,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:14:38,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:14:38,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:14:38,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:14:38,758 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:14:38,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-10-31 22:14:40,748 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:14:41,291 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:14:41,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2024-10-31 22:14:41,331 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/bin/uautomizer-verify-4GaUIPS5ZU/data/7d6fc5d0f/faf09559aca941ab8031f5eb2e66a2fc/FLAG75738cdfb [2024-10-31 22:14:41,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/bin/uautomizer-verify-4GaUIPS5ZU/data/7d6fc5d0f/faf09559aca941ab8031f5eb2e66a2fc [2024-10-31 22:14:41,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:14:41,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:14:41,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:41,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:14:41,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:14:41,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:41" (1/1) ... [2024-10-31 22:14:41,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30dd1475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:41, skipping insertion in model container [2024-10-31 22:14:41,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:41" (1/1) ... [2024-10-31 22:14:42,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:14:43,277 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2024-10-31 22:14:43,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:43,379 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:14:43,525 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"); [5300] [2024-10-31 22:14:43,528 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)); [5307] [2024-10-31 22:14:43,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5446] [2024-10-31 22:14:43,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5454] [2024-10-31 22:14:43,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1,%b0": "=a" (_v): "d" (port)); [5637] [2024-10-31 22:14:43,716 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2024-10-31 22:14:43,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:43,810 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:14:43,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:43 WrapperNode [2024-10-31 22:14:43,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:43,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:43,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:14:43,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:14:43,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:43" (1/1) ... [2024-10-31 22:14:43,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:43" (1/1) ... [2024-10-31 22:14:44,015 INFO L138 Inliner]: procedures = 152, calls = 711, calls flagged for inlining = 70, calls inlined = 67, statements flattened = 1996 [2024-10-31 22:14:44,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:44,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:14:44,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:14:44,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:14:44,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:43" (1/1) ... [2024-10-31 22:14:44,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:43" (1/1) ... [2024-10-31 22:14:44,059 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:43" (1/1) ... [2024-10-31 22:14:44,321 INFO L175 MemorySlicer]: Split 327 memory accesses to 10 slices as follows [4, 2, 209, 23, 6, 61, 3, 4, 4, 11]. 64 percent of accesses are in the largest equivalence class. The 39 initializations are split as follows [0, 2, 0, 23, 0, 0, 2, 2, 2, 8]. The 192 writes are split as follows [2, 0, 125, 0, 4, 61, 0, 0, 0, 0]. [2024-10-31 22:14:44,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:43" (1/1) ... [2024-10-31 22:14:44,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:43" (1/1) ... [2024-10-31 22:14:44,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:43" (1/1) ... [2024-10-31 22:14:44,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:43" (1/1) ... [2024-10-31 22:14:44,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:43" (1/1) ... [2024-10-31 22:14:44,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:43" (1/1) ... [2024-10-31 22:14:44,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:14:44,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:14:44,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:14:44,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:14:44,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:43" (1/1) ... [2024-10-31 22:14:44,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:44,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:44,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:44,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534c37ea-8b0f-400e-9e67-5036d4d37ebb/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:14:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure atp_probe1 [2024-10-31 22:14:44,596 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_probe1 [2024-10-31 22:14:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-10-31 22:14:44,598 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-10-31 22:14:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:14:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:14:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:14:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:14:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:14:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:14:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:14:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:14:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 22:14:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-31 22:14:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure read_block [2024-10-31 22:14:44,600 INFO L138 BoogieDeclarations]: Found implementation of procedure read_block [2024-10-31 22:14:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:14:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:14:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:14:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:14:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:14:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:14:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:14:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:14:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 22:14:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-31 22:14:44,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-31 22:14:44,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-31 22:14:44,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:14:44,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:14:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:14:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:14:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:14:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:14:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:14:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:14:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 22:14:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 22:14:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-31 22:14:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-31 22:14:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-10-31 22:14:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-10-31 22:14:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-31 22:14:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-31 22:14:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode0 [2024-10-31 22:14:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode0 [2024-10-31 22:14:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode1 [2024-10-31 22:14:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode1 [2024-10-31 22:14:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-31 22:14:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-31 22:14:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-31 22:14:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-31 22:14:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-31 22:14:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-31 22:14:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-31 22:14:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-31 22:14:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2024-10-31 22:14:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2024-10-31 22:14:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:14:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:14:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:14:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:14:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:14:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:14:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:14:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:14:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 22:14:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 22:14:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure net_rx [2024-10-31 22:14:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure net_rx [2024-10-31 22:14:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-31 22:14:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-31 22:14:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_high [2024-10-31 22:14:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_high [2024-10-31 22:14:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-31 22:14:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-31 22:14:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:14:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:14:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-31 22:14:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-31 22:14:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure read_nibble [2024-10-31 22:14:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nibble [2024-10-31 22:14:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:14:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure hardware_init [2024-10-31 22:14:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure hardware_init [2024-10-31 22:14:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:14:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:14:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:14:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:14:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:14:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:14:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:14:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:14:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:14:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:14:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 22:14:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 22:14:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-31 22:14:44,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-31 22:14:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-10-31 22:14:44,616 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-10-31 22:14:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-10-31 22:14:44,616 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-10-31 22:14:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:14:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:14:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:14:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:14:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:14:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:14:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:14:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:14:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 22:14:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 22:14:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-31 22:14:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-31 22:14:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_byte [2024-10-31 22:14:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_byte [2024-10-31 22:14:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-31 22:14:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-31 22:14:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-10-31 22:14:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-10-31 22:14:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:14:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure inbyte [2024-10-31 22:14:44,620 INFO L138 BoogieDeclarations]: Found implementation of procedure inbyte [2024-10-31 22:14:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-31 22:14:44,620 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-31 22:14:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_send [2024-10-31 22:14:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_send [2024-10-31 22:14:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-31 22:14:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-31 22:14:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-10-31 22:14:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-10-31 22:14:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-10-31 22:14:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-10-31 22:14:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-31 22:14:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-31 22:14:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-10-31 22:14:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-10-31 22:14:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-31 22:14:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-31 22:14:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_op [2024-10-31 22:14:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_op [2024-10-31 22:14:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-31 22:14:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-31 22:14:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:14:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:14:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:14:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:14:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:14:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:14:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:14:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:14:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:14:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 22:14:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:14:44,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:14:45,207 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:14:45,210 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:14:45,887 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-31 22:14:52,862 INFO L? ?]: Removed 777 outVars from TransFormulas that were not future-live. [2024-10-31 22:14:52,862 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:14:52,898 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:14:52,898 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:14:52,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:52 BoogieIcfgContainer [2024-10-31 22:14:52,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:14:52,901 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:14:52,901 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:14:52,905 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:14:52,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:14:41" (1/3) ... [2024-10-31 22:14:52,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479aa8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:52, skipping insertion in model container [2024-10-31 22:14:52,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:43" (2/3) ... [2024-10-31 22:14:52,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479aa8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:52, skipping insertion in model container [2024-10-31 22:14:52,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:52" (3/3) ... [2024-10-31 22:14:52,908 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2024-10-31 22:14:52,926 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:14:52,927 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:14:53,109 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:14:53,118 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5acd3470, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:14:53,119 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:14:53,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 924 states, 640 states have (on average 1.3703125) internal successors, (877), 655 states have internal predecessors, (877), 243 states have call successors, (243), 40 states have call predecessors, (243), 39 states have return successors, (238), 236 states have call predecessors, (238), 238 states have call successors, (238) [2024-10-31 22:14:53,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-10-31 22:14:53,189 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:53,191 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:53,192 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:14:53,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:53,199 INFO L85 PathProgramCache]: Analyzing trace with hash -29821721, now seen corresponding path program 1 times [2024-10-31 22:14:53,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:53,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403629287] [2024-10-31 22:14:53,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:53,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:57,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:14:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:14:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:14:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:14:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:14:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:14:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-31 22:14:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:14:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:14:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:14:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 22:14:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:14:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:14:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-31 22:14:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:14:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:14:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-31 22:14:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-31 22:14:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-31 22:14:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:14:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:14:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-31 22:14:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:14:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:14:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-31 22:14:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-31 22:14:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 22:14:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:14:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:14:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:14:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:14:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-31 22:14:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-31 22:14:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:14:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:14:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-31 22:14:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:14:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:14:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-31 22:14:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-31 22:14:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-31 22:14:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:14:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:14:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:14:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:14:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-31 22:14:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-31 22:14:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:14:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:14:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-31 22:14:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-31 22:14:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:14:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:14:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:14:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-31 22:14:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-31 22:14:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-31 22:14:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-31 22:14:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:14:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-31 22:14:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:14:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:14:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-31 22:14:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2476 trivial. 0 not checked. [2024-10-31 22:14:58,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:58,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403629287] [2024-10-31 22:14:58,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403629287] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:58,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:58,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:14:58,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353268313] [2024-10-31 22:14:58,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:58,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:14:58,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:59,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:14:59,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:14:59,025 INFO L87 Difference]: Start difference. First operand has 924 states, 640 states have (on average 1.3703125) internal successors, (877), 655 states have internal predecessors, (877), 243 states have call successors, (243), 40 states have call predecessors, (243), 39 states have return successors, (238), 236 states have call predecessors, (238), 238 states have call successors, (238) Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 2 states have internal predecessors, (105), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-31 22:15:03,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:15:07,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:15:11,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:15:15,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []