./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--hp--hp100.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--hp--hp100.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 71a394c873c772dcf5e6708cb37d9b35e24256f5a212c542b9c08f202c87eae6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:57,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:57,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:48:57,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:57,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:57,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:57,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:57,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:57,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:48:57,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:48:57,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:57,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:57,441 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:57,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:57,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:48:57,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:48:57,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:57,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:48:57,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:48:57,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:48:57,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:57,447 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:57,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:57,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:57,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:48:57,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:57,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:57,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:48:57,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:48:57,451 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:48:57,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:48:57,454 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:48:57,455 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:48:57,455 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:48:57,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:48:57,455 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:48:57,456 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71a394c873c772dcf5e6708cb37d9b35e24256f5a212c542b9c08f202c87eae6 [2023-11-19 07:48:57,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:57,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:57,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:57,747 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:57,748 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:57,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--hp--hp100.ko-entry_point.cil.out.i [2023-11-19 07:49:00,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:49:01,508 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:49:01,509 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--hp--hp100.ko-entry_point.cil.out.i [2023-11-19 07:49:01,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/bin/uautomizer-verify-uCwYo4JHxu/data/2bf5c7dd9/6359241f236046cca062ccd65a35b65a/FLAG8eaa0e791 [2023-11-19 07:49:01,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/bin/uautomizer-verify-uCwYo4JHxu/data/2bf5c7dd9/6359241f236046cca062ccd65a35b65a [2023-11-19 07:49:01,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:49:01,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:49:01,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:01,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:49:01,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:49:01,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:01" (1/1) ... [2023-11-19 07:49:01,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26705ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:01, skipping insertion in model container [2023-11-19 07:49:01,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:01" (1/1) ... [2023-11-19 07:49:01,830 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:49:03,793 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_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--hp--hp100.ko-entry_point.cil.out.i[263471,263484] [2023-11-19 07:49:03,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:03,917 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:49:04,091 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"); [5533] [2023-11-19 07:49:04,093 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)); [5540] [2023-11-19 07:49:04,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5653] [2023-11-19 07:49:04,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5656] [2023-11-19 07:49:04,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5659] [2023-11-19 07:49:04,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5662] [2023-11-19 07:49:04,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5714] [2023-11-19 07:49:04,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5752] [2023-11-19 07:49:04,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5760] [2023-11-19 07:49:04,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5767] [2023-11-19 07:49:04,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5775] [2023-11-19 07:49:04,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5782] [2023-11-19 07:49:04,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5790] [2023-11-19 07:49:04,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsl": "+S" (addr), "+c" (count): "d" (port)); [5797] [2023-11-19 07:49:04,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insl": "+D" (addr), "+c" (count): "d" (port)); [5804] [2023-11-19 07:49:04,129 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)); [5947-5948] [2023-11-19 07:49:04,136 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)); [5976-5977] [2023-11-19 07:49:04,302 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_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--hp--hp100.ko-entry_point.cil.out.i[263471,263484] [2023-11-19 07:49:04,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:04,517 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:49:04,517 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:49:04,518 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:49:04,525 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:49:04,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:04 WrapperNode [2023-11-19 07:49:04,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:04,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:04,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:49:04,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:49:04,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:04" (1/1) ... [2023-11-19 07:49:04,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:04" (1/1) ... [2023-11-19 07:49:04,882 INFO L138 Inliner]: procedures = 225, calls = 1511, calls flagged for inlining = 103, calls inlined = 100, statements flattened = 4441 [2023-11-19 07:49:04,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:04,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:49:04,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:49:04,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:49:04,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:04" (1/1) ... [2023-11-19 07:49:04,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:04" (1/1) ... [2023-11-19 07:49:04,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:04" (1/1) ... [2023-11-19 07:49:04,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:04" (1/1) ... [2023-11-19 07:49:05,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:04" (1/1) ... [2023-11-19 07:49:05,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:04" (1/1) ... [2023-11-19 07:49:05,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:04" (1/1) ... [2023-11-19 07:49:05,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:04" (1/1) ... [2023-11-19 07:49:05,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:49:05,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:49:05,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:49:05,199 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:49:05,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:04" (1/1) ... [2023-11-19 07:49:05,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:05,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:05,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:49:05,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b53ada-4b1d-4b94-96f0-b393f6cf7f49/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:49:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_update_stats [2023-11-19 07:49:05,273 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_update_stats [2023-11-19 07:49:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:49:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:49:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:49:05,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:49:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:49:05,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:49:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 07:49:05,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 07:49:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:49:05,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:49:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:49:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:49:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:49:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:49:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 07:49:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 07:49:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:49:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:49:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:49:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:49:05,281 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:49:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:49:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-11-19 07:49:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-11-19 07:49:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_open [2023-11-19 07:49:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_open [2023-11-19 07:49:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_load_eeprom [2023-11-19 07:49:05,283 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_load_eeprom [2023-11-19 07:49:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 07:49:05,283 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 07:49:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:49:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:49:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:49:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_sense_lan [2023-11-19 07:49:05,284 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_sense_lan [2023-11-19 07:49:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-19 07:49:05,284 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-19 07:49:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:49:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_get_stats [2023-11-19 07:49:05,285 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_get_stats [2023-11-19 07:49:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 07:49:05,285 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 07:49:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-19 07:49:05,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-19 07:49:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:49:05,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:49:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:49:05,286 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:49:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 07:49:05,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 07:49:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:49:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 07:49:05,289 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 07:49:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:49:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-19 07:49:05,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-19 07:49:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:49:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:49:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-19 07:49:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-19 07:49:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-19 07:49:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-19 07:49:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:49:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:49:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 07:49:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 07:49:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:49:05,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:49:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:49:05,292 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:49:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-19 07:49:05,292 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-19 07:49:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_cascade_reset [2023-11-19 07:49:05,293 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_cascade_reset [2023-11-19 07:49:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2023-11-19 07:49:05,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2023-11-19 07:49:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:49:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:49:05,294 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:49:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:49:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_build_rx_pdl [2023-11-19 07:49:05,295 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_build_rx_pdl [2023-11-19 07:49:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 07:49:05,295 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 07:49:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:49:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:49:05,296 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:49:05,296 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:49:05,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:49:05,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:49:05,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:49:05,296 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rx_bm [2023-11-19 07:49:05,297 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rx_bm [2023-11-19 07:49:05,297 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_BM_shutdown [2023-11-19 07:49:05,297 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_BM_shutdown [2023-11-19 07:49:05,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:49:05,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:49:05,298 INFO L130 BoogieDeclarations]: Found specification of procedure wait [2023-11-19 07:49:05,298 INFO L138 BoogieDeclarations]: Found implementation of procedure wait [2023-11-19 07:49:05,298 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 07:49:05,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 07:49:05,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 07:49:05,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 07:49:05,300 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_hwinit [2023-11-19 07:49:05,300 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_hwinit [2023-11-19 07:49:05,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:49:05,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 07:49:05,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 07:49:05,301 INFO L130 BoogieDeclarations]: Found specification of procedure dev_consume_skb_any [2023-11-19 07:49:05,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_consume_skb_any [2023-11-19 07:49:05,301 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-19 07:49:05,301 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-19 07:49:05,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:49:05,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:49:05,302 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_whatever [2023-11-19 07:49:05,302 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_whatever [2023-11-19 07:49:05,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:49:05,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:49:05,302 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_close [2023-11-19 07:49:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_close [2023-11-19 07:49:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-11-19 07:49:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-11-19 07:49:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_stop_interface [2023-11-19 07:49:05,304 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_stop_interface [2023-11-19 07:49:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:49:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_check_lan [2023-11-19 07:49:05,304 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_check_lan [2023-11-19 07:49:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:49:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:49:05,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:49:05,305 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:49:05,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:49:05,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:49:05,308 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:49:05,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:49:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:49:05,311 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_set_multicast_list [2023-11-19 07:49:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_set_multicast_list [2023-11-19 07:49:05,312 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rxfill [2023-11-19 07:49:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rxfill [2023-11-19 07:49:05,313 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_start_interface [2023-11-19 07:49:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_start_interface [2023-11-19 07:49:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 07:49:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 07:49:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 07:49:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 07:49:05,320 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_clean_txring [2023-11-19 07:49:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_clean_txring [2023-11-19 07:49:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-19 07:49:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-19 07:49:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:49:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-19 07:49:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-19 07:49:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:49:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:49:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_login_to_vg_hub [2023-11-19 07:49:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_login_to_vg_hub [2023-11-19 07:49:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-19 07:49:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-19 07:49:06,070 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:49:06,078 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:49:06,801 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:49:10,036 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:49:10,385 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !(0 == ~tmp___4~7#1 % 18446744073709551616); [2023-11-19 07:49:10,385 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume 0 == ~tmp___4~7#1 % 18446744073709551616;#t~nondet728#1 := 0; [2023-11-19 07:49:10,386 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188-2: assume 0 == #t~nondet728#1 % 18446744073709551616;havoc #t~nondet728#1; [2023-11-19 07:49:10,386 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188-2: assume !(0 == #t~nondet728#1 % 18446744073709551616);havoc #t~nondet728#1; [2023-11-19 07:49:10,386 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188: assume 2096896 == ~tmp___4~7#1 % 18446744073709551616;#t~nondet728#1 := ~tmp___4~7#1; [2023-11-19 07:49:10,386 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188: assume !(2096896 == ~tmp___4~7#1 % 18446744073709551616);assume #t~nondet728#1 % 18446744073709551616 <= ~tmp___4~7#1 % 18446744073709551616;assume #t~nondet728#1 % 18446744073709551616 <= 2096896; [2023-11-19 07:49:10,386 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188-4: assume (if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0; [2023-11-19 07:49:10,386 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188-4: assume !((if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0); [2023-11-19 07:49:10,387 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L8189-1: assume -9223372036854775808 <= #t~ret729#1 && #t~ret729#1 <= 9223372036854775807;havoc #t~ret729#1; [2023-11-19 07:49:10,387 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L8189: SUMMARY for call #t~ret729#1 := schedule_timeout_interruptible(1); srcloc: null [2023-11-19 07:49:10,516 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:49:10,537 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:49:10,538 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:49:10,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:10 BoogieIcfgContainer [2023-11-19 07:49:10,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:49:10,561 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:49:10,562 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:49:10,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:49:10,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:49:01" (1/3) ... [2023-11-19 07:49:10,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727ac1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:10, skipping insertion in model container [2023-11-19 07:49:10,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:04" (2/3) ... [2023-11-19 07:49:10,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727ac1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:10, skipping insertion in model container [2023-11-19 07:49:10,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:10" (3/3) ... [2023-11-19 07:49:10,568 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--hp--hp100.ko-entry_point.cil.out.i [2023-11-19 07:49:10,588 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:49:10,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:49:10,683 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:49:10,690 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;@ea7b72a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:49:10,690 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:49:10,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 1954 states, 1303 states have (on average 1.4205679201841903) internal successors, (1851), 1349 states have internal predecessors, (1851), 581 states have call successors, (581), 71 states have call predecessors, (581), 70 states have return successors, (574), 561 states have call predecessors, (574), 574 states have call successors, (574) [2023-11-19 07:49:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 07:49:10,747 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:10,748 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2023-11-19 07:49:10,748 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:49:10,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:10,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1329768702, now seen corresponding path program 1 times [2023-11-19 07:49:10,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:10,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142863922] [2023-11-19 07:49:10,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:10,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:49:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:49:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:49:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:49:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:49:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:49:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:49:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:49:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:49:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:49:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:49:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-19 07:49:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-19 07:49:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:12,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 07:49:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:12,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-19 07:49:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:12,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-19 07:49:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:12,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-19 07:49:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:12,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-19 07:49:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:12,092 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2023-11-19 07:49:12,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:12,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142863922] [2023-11-19 07:49:12,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142863922] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:12,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:12,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:49:12,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996954842] [2023-11-19 07:49:12,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:12,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:49:12,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:12,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:49:12,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:49:12,163 INFO L87 Difference]: Start difference. First operand has 1954 states, 1303 states have (on average 1.4205679201841903) internal successors, (1851), 1349 states have internal predecessors, (1851), 581 states have call successors, (581), 71 states have call predecessors, (581), 70 states have return successors, (574), 561 states have call predecessors, (574), 574 states have call successors, (574) Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:49:20,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:20,535 INFO L93 Difference]: Finished difference Result 4062 states and 6379 transitions. [2023-11-19 07:49:20,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:49:20,538 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 170 [2023-11-19 07:49:20,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:20,572 INFO L225 Difference]: With dead ends: 4062 [2023-11-19 07:49:20,573 INFO L226 Difference]: Without dead ends: 2093 [2023-11-19 07:49:20,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:49:20,600 INFO L413 NwaCegarLoop]: 1458 mSDtfsCounter, 2993 mSDsluCounter, 2417 mSDsCounter, 0 mSdLazyCounter, 2910 mSolverCounterSat, 2707 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3038 SdHoareTripleChecker+Valid, 3875 SdHoareTripleChecker+Invalid, 5617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2707 IncrementalHoareTripleChecker+Valid, 2910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:49:20,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3038 Valid, 3875 Invalid, 5617 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2707 Valid, 2910 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-11-19 07:49:20,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2023-11-19 07:49:20,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 1928. [2023-11-19 07:49:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1928 states, 1286 states have (on average 1.3996889580093312) internal successors, (1800), 1322 states have internal predecessors, (1800), 572 states have call successors, (572), 70 states have call predecessors, (572), 69 states have return successors, (571), 558 states have call predecessors, (571), 571 states have call successors, (571) [2023-11-19 07:49:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1928 states and 2943 transitions. [2023-11-19 07:49:20,867 INFO L78 Accepts]: Start accepts. Automaton has 1928 states and 2943 transitions. Word has length 170 [2023-11-19 07:49:20,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:20,868 INFO L495 AbstractCegarLoop]: Abstraction has 1928 states and 2943 transitions. [2023-11-19 07:49:20,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:49:20,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2943 transitions. [2023-11-19 07:49:20,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 07:49:20,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:20,879 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2023-11-19 07:49:20,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:49:20,880 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:49:20,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:20,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1435809009, now seen corresponding path program 1 times [2023-11-19 07:49:20,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:20,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794533519] [2023-11-19 07:49:20,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:20,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:49:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:49:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:49:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:49:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:49:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:49:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:49:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:49:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:49:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:49:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:49:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-19 07:49:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-19 07:49:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-19 07:49:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-19 07:49:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 07:49:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:49:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-19 07:49:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,931 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2023-11-19 07:49:21,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:21,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794533519] [2023-11-19 07:49:21,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794533519] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:21,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:21,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:49:21,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897060812] [2023-11-19 07:49:21,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:21,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:49:21,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:21,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:49:21,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:49:21,939 INFO L87 Difference]: Start difference. First operand 1928 states and 2943 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-19 07:49:40,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:40,120 INFO L93 Difference]: Finished difference Result 6077 states and 9361 transitions. [2023-11-19 07:49:40,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 07:49:40,120 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 172 [2023-11-19 07:49:40,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:40,162 INFO L225 Difference]: With dead ends: 6077 [2023-11-19 07:49:40,162 INFO L226 Difference]: Without dead ends: 4171 [2023-11-19 07:49:40,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2023-11-19 07:49:40,180 INFO L413 NwaCegarLoop]: 1524 mSDtfsCounter, 7595 mSDsluCounter, 7110 mSDsCounter, 0 mSdLazyCounter, 10003 mSolverCounterSat, 5499 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7882 SdHoareTripleChecker+Valid, 8634 SdHoareTripleChecker+Invalid, 15502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5499 IncrementalHoareTripleChecker+Valid, 10003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:49:40,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7882 Valid, 8634 Invalid, 15502 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5499 Valid, 10003 Invalid, 0 Unknown, 0 Unchecked, 16.9s Time] [2023-11-19 07:49:40,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4171 states. [2023-11-19 07:49:40,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4171 to 3835. [2023-11-19 07:49:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3835 states, 2561 states have (on average 1.4002342834830144) internal successors, (3586), 2633 states have internal predecessors, (3586), 1135 states have call successors, (1135), 139 states have call predecessors, (1135), 138 states have return successors, (1138), 1108 states have call predecessors, (1138), 1134 states have call successors, (1138) [2023-11-19 07:49:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3835 states and 5859 transitions. [2023-11-19 07:49:40,580 INFO L78 Accepts]: Start accepts. Automaton has 3835 states and 5859 transitions. Word has length 172 [2023-11-19 07:49:40,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:40,629 INFO L495 AbstractCegarLoop]: Abstraction has 3835 states and 5859 transitions. [2023-11-19 07:49:40,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-19 07:49:40,629 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 5859 transitions. [2023-11-19 07:49:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-19 07:49:40,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:40,648 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2023-11-19 07:49:40,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:49:40,649 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:49:40,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:40,651 INFO L85 PathProgramCache]: Analyzing trace with hash -2147175282, now seen corresponding path program 1 times [2023-11-19 07:49:40,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:40,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790175959] [2023-11-19 07:49:40,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:40,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:49:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:49:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:49:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:49:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:49:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:49:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:49:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:49:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:49:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:49:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:49:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-19 07:49:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:49:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 07:49:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 07:49:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-19 07:49:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-19 07:49:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-19 07:49:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:41,530 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2023-11-19 07:49:41,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:41,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790175959] [2023-11-19 07:49:41,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790175959] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:41,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:41,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:49:41,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393381600] [2023-11-19 07:49:41,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:41,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:49:41,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:41,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:49:41,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:49:41,535 INFO L87 Difference]: Start difference. First operand 3835 states and 5859 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16)