./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--fddi--defxx.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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dc06cd-b154-43a1-ba8d-e06f83a5628b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dc06cd-b154-43a1-ba8d-e06f83a5628b/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_64dc06cd-b154-43a1-ba8d-e06f83a5628b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dc06cd-b154-43a1-ba8d-e06f83a5628b/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--fddi--defxx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dc06cd-b154-43a1-ba8d-e06f83a5628b/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_64dc06cd-b154-43a1-ba8d-e06f83a5628b/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 e8e67529e4f1862dffb4b20b34b9723f96164119a4ebff5a58d56eaf6134a8d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:09:15,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:09:15,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dc06cd-b154-43a1-ba8d-e06f83a5628b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:09:15,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:09:15,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:09:15,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:09:15,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:09:15,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:09:15,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:09:15,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:09:15,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:09:15,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:09:15,566 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:09:15,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:09:15,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:09:15,568 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:09:15,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:09:15,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:09:15,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:09:15,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:09:15,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:09:15,572 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:09:15,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:09:15,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:09:15,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:09:15,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:09:15,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:09:15,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:09:15,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:09:15,576 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:09:15,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:09:15,577 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:09:15,578 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:09:15,578 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:09:15,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:09:15,579 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:09:15,579 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_64dc06cd-b154-43a1-ba8d-e06f83a5628b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dc06cd-b154-43a1-ba8d-e06f83a5628b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8e67529e4f1862dffb4b20b34b9723f96164119a4ebff5a58d56eaf6134a8d1 [2023-11-12 02:09:15,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:09:15,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:09:15,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:09:15,924 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:09:15,924 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:09:15,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dc06cd-b154-43a1-ba8d-e06f83a5628b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2023-11-12 02:09:19,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:09:19,790 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:09:19,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dc06cd-b154-43a1-ba8d-e06f83a5628b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2023-11-12 02:09:19,839 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dc06cd-b154-43a1-ba8d-e06f83a5628b/bin/uautomizer-verify-uTZkv6EMXl/data/3c66ffc61/1d356fe689d543348c5c216efb30ab68/FLAGbdee3a0a2 [2023-11-12 02:09:19,858 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dc06cd-b154-43a1-ba8d-e06f83a5628b/bin/uautomizer-verify-uTZkv6EMXl/data/3c66ffc61/1d356fe689d543348c5c216efb30ab68 [2023-11-12 02:09:19,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:09:19,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:09:19,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:09:19,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:09:19,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:09:19,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:09:19" (1/1) ... [2023-11-12 02:09:19,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250058bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:19, skipping insertion in model container [2023-11-12 02:09:19,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:09:19" (1/1) ... [2023-11-12 02:09:20,020 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:09:22,384 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_64dc06cd-b154-43a1-ba8d-e06f83a5628b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[283284,283297] [2023-11-12 02:09:22,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:09:22,515 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:09:22,762 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"); [6250] [2023-11-12 02:09:22,764 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)); [6257] [2023-11-12 02:09:22,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6402] [2023-11-12 02:09:22,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6409] [2023-11-12 02:09:22,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6418] [2023-11-12 02:09:22,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6426] [2023-11-12 02:09:22,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [6433] [2023-11-12 02:09:22,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [6441] [2023-11-12 02:09:22,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6556-6557] [2023-11-12 02:09:22,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6585-6586] [2023-11-12 02:09:22,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [6615-6616] [2023-11-12 02:09:22,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6897] [2023-11-12 02:09:22,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6928] [2023-11-12 02:09:23,008 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_64dc06cd-b154-43a1-ba8d-e06f83a5628b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[283284,283297] [2023-11-12 02:09:23,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:09:23,186 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:09:23,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:23 WrapperNode [2023-11-12 02:09:23,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:09:23,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:09:23,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:09:23,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:09:23,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:23" (1/1) ... [2023-11-12 02:09:23,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:23" (1/1) ... [2023-11-12 02:09:23,463 INFO L138 Inliner]: procedures = 215, calls = 1704, calls flagged for inlining = 108, calls inlined = 105, statements flattened = 3325 [2023-11-12 02:09:23,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:09:23,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:09:23,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:09:23,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:09:23,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:23" (1/1) ... [2023-11-12 02:09:23,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:23" (1/1) ... [2023-11-12 02:09:23,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:23" (1/1) ... [2023-11-12 02:09:23,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:23" (1/1) ... [2023-11-12 02:09:23,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:23" (1/1) ... [2023-11-12 02:09:23,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:23" (1/1) ... [2023-11-12 02:09:23,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:23" (1/1) ... [2023-11-12 02:09:23,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:23" (1/1) ... [2023-11-12 02:09:23,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:09:23,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:09:23,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:09:23,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:09:23,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:23" (1/1) ... [2023-11-12 02:09:23,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:09:23,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dc06cd-b154-43a1-ba8d-e06f83a5628b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:09:23,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dc06cd-b154-43a1-ba8d-e06f83a5628b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:09:23,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dc06cd-b154-43a1-ba8d-e06f83a5628b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:09:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:09:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:09:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:09:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:09:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:09:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:09:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 02:09:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 02:09:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:09:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:09:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 02:09:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 02:09:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:09:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:09:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 02:09:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 02:09:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:09:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:09:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:09:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:09:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:09:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:09:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:09:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:09:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:09:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:09:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 02:09:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 02:09:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 02:09:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 02:09:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:09:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_read_long [2023-11-12 02:09:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_read_long [2023-11-12 02:09:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:09:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 02:09:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 02:09:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:09:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:09:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:09:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 02:09:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 02:09:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:09:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_adap_init [2023-11-12 02:09:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_adap_init [2023-11-12 02:09:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:09:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:09:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-12 02:09:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-12 02:09:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-12 02:09:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-12 02:09:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_int_common [2023-11-12 02:09:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_int_common [2023-11-12 02:09:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:09:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:09:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-12 02:09:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-12 02:09:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:09:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:09:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_rcv_flush [2023-11-12 02:09:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_rcv_flush [2023-11-12 02:09:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_get_stats [2023-11-12 02:09:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_get_stats [2023-11-12 02:09:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 02:09:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 02:09:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_cam [2023-11-12 02:09:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_cam [2023-11-12 02:09:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:09:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_cmd_req [2023-11-12 02:09:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_cmd_req [2023-11-12 02:09:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_uninit [2023-11-12 02:09:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_uninit [2023-11-12 02:09:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:09:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:09:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:09:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 02:09:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 02:09:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-11-12 02:09:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-11-12 02:09:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 02:09:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 02:09:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:09:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure my_skb_align [2023-11-12 02:09:23,910 INFO L138 BoogieDeclarations]: Found implementation of procedure my_skb_align [2023-11-12 02:09:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:09:23,910 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:09:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:09:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:09:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:09:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:09:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_write_long [2023-11-12 02:09:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_write_long [2023-11-12 02:09:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 02:09:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 02:09:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 02:09:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 02:09:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:09:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 02:09:23,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 02:09:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-12 02:09:23,913 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-12 02:09:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-12 02:09:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-12 02:09:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:09:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:09:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 02:09:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 02:09:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:09:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 02:09:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 02:09:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_port_ctrl_req [2023-11-12 02:09:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_port_ctrl_req [2023-11-12 02:09:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:09:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_xmt_flush [2023-11-12 02:09:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_xmt_flush [2023-11-12 02:09:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:09:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:09:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:09:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_filters [2023-11-12 02:09:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_filters [2023-11-12 02:09:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-12 02:09:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-12 02:09:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_mac_address [2023-11-12 02:09:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_mac_address [2023-11-12 02:09:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_multicast_list [2023-11-12 02:09:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_multicast_list [2023-11-12 02:09:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_adap_state_rd [2023-11-12 02:09:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_adap_state_rd [2023-11-12 02:09:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 02:09:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 02:09:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-12 02:09:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-12 02:09:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:09:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_get_bars [2023-11-12 02:09:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_get_bars [2023-11-12 02:09:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-12 02:09:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-12 02:09:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:09:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:09:24,552 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:09:24,556 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:09:25,217 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:09:41,691 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:09:41,717 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:09:41,720 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:09:41,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:09:41 BoogieIcfgContainer [2023-11-12 02:09:41,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:09:41,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:09:41,728 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:09:41,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:09:41,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:09:19" (1/3) ... [2023-11-12 02:09:41,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5063f3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:09:41, skipping insertion in model container [2023-11-12 02:09:41,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:23" (2/3) ... [2023-11-12 02:09:41,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5063f3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:09:41, skipping insertion in model container [2023-11-12 02:09:41,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:09:41" (3/3) ... [2023-11-12 02:09:41,746 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2023-11-12 02:09:41,768 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:09:41,768 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:09:41,872 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:09:41,879 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;@6dfb644a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:09:41,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:09:41,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 1280 states, 896 states have (on average 1.3381696428571428) internal successors, (1199), 917 states have internal predecessors, (1199), 322 states have call successors, (322), 61 states have call predecessors, (322), 60 states have return successors, (316), 316 states have call predecessors, (316), 316 states have call successors, (316) [2023-11-12 02:09:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 02:09:41,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:09:41,935 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-12 02:09:41,935 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:09:41,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:41,942 INFO L85 PathProgramCache]: Analyzing trace with hash 948993883, now seen corresponding path program 1 times [2023-11-12 02:09:41,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:41,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161384486] [2023-11-12 02:09:41,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:41,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:42,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:09:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:42,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:42,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:09:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:42,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:09:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:42,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:42,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:09:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:42,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:09:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:09:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:09:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:09:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-12 02:09:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-12 02:09:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-12 02:09:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-12 02:09:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:09:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:09:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-12 02:09:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-12 02:09:43,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:43,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161384486] [2023-11-12 02:09:43,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161384486] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:43,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:43,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:09:43,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886601506] [2023-11-12 02:09:43,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:43,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:09:43,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:43,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:09:43,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:09:43,368 INFO L87 Difference]: Start difference. First operand has 1280 states, 896 states have (on average 1.3381696428571428) internal successors, (1199), 917 states have internal predecessors, (1199), 322 states have call successors, (322), 61 states have call predecessors, (322), 60 states have return successors, (316), 316 states have call predecessors, (316), 316 states have call successors, (316) Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 02:09:48,108 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 02:09:50,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:09:52,124 WARN L539 Checker$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 02:09:54,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:09:58,663 WARN L539 Checker$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 02:10:00,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:10:02,675 WARN L539 Checker$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 02:10:04,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:10:09,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:10:10,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:10:12,330 WARN L539 Checker$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 02:10:14,343 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 []