./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--atm--nicstar.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_2c71be39-445b-4d34-b195-07032128879d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c71be39-445b-4d34-b195-07032128879d/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_2c71be39-445b-4d34-b195-07032128879d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c71be39-445b-4d34-b195-07032128879d/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--atm--nicstar.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c71be39-445b-4d34-b195-07032128879d/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_2c71be39-445b-4d34-b195-07032128879d/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 4a1e17c33569fa40e536cd8c869720d5a80d6c0d7c343e9efbe1ac963f2ae01b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:49:57,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:49:57,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c71be39-445b-4d34-b195-07032128879d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:49:57,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:49:57,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:49:57,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:49:57,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:49:57,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:49:57,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:49:57,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:49:57,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:49:57,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:49:57,458 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:49:57,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:49:57,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:49:57,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:49:57,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:49:57,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:49:57,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:49:57,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:49:57,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:49:57,465 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:49:57,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:49:57,466 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:49:57,467 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:49:57,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:57,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:49:57,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:49:57,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:49:57,470 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:49:57,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:49:57,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:49:57,472 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:49:57,472 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:49:57,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:49:57,473 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:49:57,473 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_2c71be39-445b-4d34-b195-07032128879d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c71be39-445b-4d34-b195-07032128879d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a1e17c33569fa40e536cd8c869720d5a80d6c0d7c343e9efbe1ac963f2ae01b [2023-11-19 07:49:57,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:49:57,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:49:57,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:49:57,881 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:49:57,882 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:49:57,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c71be39-445b-4d34-b195-07032128879d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2023-11-19 07:50:01,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:50:02,135 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:50:02,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c71be39-445b-4d34-b195-07032128879d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2023-11-19 07:50:02,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c71be39-445b-4d34-b195-07032128879d/bin/uautomizer-verify-uCwYo4JHxu/data/905ae4aa3/bb9601581c3b43a2aac263925c09d4f6/FLAG8b1ac3cfe [2023-11-19 07:50:02,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c71be39-445b-4d34-b195-07032128879d/bin/uautomizer-verify-uCwYo4JHxu/data/905ae4aa3/bb9601581c3b43a2aac263925c09d4f6 [2023-11-19 07:50:02,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:50:02,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:50:02,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:02,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:50:02,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:50:02,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:02" (1/1) ... [2023-11-19 07:50:02,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a216c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:02, skipping insertion in model container [2023-11-19 07:50:02,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:02" (1/1) ... [2023-11-19 07:50:02,397 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:50:04,813 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_2c71be39-445b-4d34-b195-07032128879d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i[321673,321686] [2023-11-19 07:50:04,881 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 07:50:04,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:04,942 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:50:05,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6371] [2023-11-19 07:50:05,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6373] [2023-11-19 07:50:05,172 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"); [6383] [2023-11-19 07:50:05,172 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)); [6390] [2023-11-19 07:50:05,184 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; addl %1,%0": "+m" (v->counter): "ir" (i)); [6520] [2023-11-19 07:50:05,186 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; subl %1,%0": "+m" (v->counter): "ir" (i)); [6527] [2023-11-19 07:50:05,187 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; incl %0": "+m" (v->counter)); [6534] [2023-11-19 07:50:05,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6545] [2023-11-19 07:50:05,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6548] [2023-11-19 07:50:05,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6551] [2023-11-19 07:50:05,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6554] [2023-11-19 07:50:05,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6637] [2023-11-19 07:50:05,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6644] [2023-11-19 07:50:05,212 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)); [6838-6839] [2023-11-19 07:50:05,216 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)); [6867-6868] [2023-11-19 07:50:05,219 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)); [6897-6898] [2023-11-19 07:50:05,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (& ((pool_levels *)arg)->buftype), "i" (4UL)); [10046-10047] [2023-11-19 07:50:05,643 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_2c71be39-445b-4d34-b195-07032128879d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i[321673,321686] [2023-11-19 07:50:05,659 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 07:50:05,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:05,782 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:50:05,782 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:50:05,782 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:50:05,792 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:50:05,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:05 WrapperNode [2023-11-19 07:50:05,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:05,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:05,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:50:05,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:50:05,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:05" (1/1) ... [2023-11-19 07:50:05,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:05" (1/1) ... [2023-11-19 07:50:06,228 INFO L138 Inliner]: procedures = 252, calls = 2387, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 6910 [2023-11-19 07:50:06,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:06,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:50:06,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:50:06,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:50:06,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:05" (1/1) ... [2023-11-19 07:50:06,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:05" (1/1) ... [2023-11-19 07:50:06,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:05" (1/1) ... [2023-11-19 07:50:06,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:05" (1/1) ... [2023-11-19 07:50:06,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:05" (1/1) ... [2023-11-19 07:50:06,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:05" (1/1) ... [2023-11-19 07:50:06,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:05" (1/1) ... [2023-11-19 07:50:06,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:05" (1/1) ... [2023-11-19 07:50:06,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:50:06,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:50:06,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:50:06,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:50:06,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:05" (1/1) ... [2023-11-19 07:50:06,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:06,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c71be39-445b-4d34-b195-07032128879d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:06,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c71be39-445b-4d34-b195-07032128879d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:06,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c71be39-445b-4d34-b195-07032128879d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:50:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure atm_charge [2023-11-19 07:50:06,841 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_charge [2023-11-19 07:50:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-19 07:50:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-19 07:50:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure process_tsq [2023-11-19 07:50:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure process_tsq [2023-11-19 07:50:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:50:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-19 07:50:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-19 07:50:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:50:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:50:06,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:50:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:50:06,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:50:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-19 07:50:06,844 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-19 07:50:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure ns_open [2023-11-19 07:50:06,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_open [2023-11-19 07:50:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 07:50:06,844 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 07:50:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:50:06,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:50:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure ns_read_sram [2023-11-19 07:50:06,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_read_sram [2023-11-19 07:50:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure get_scq [2023-11-19 07:50:06,845 INFO L138 BoogieDeclarations]: Found implementation of procedure get_scq [2023-11-19 07:50:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:50:06,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:50:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_rx_buf [2023-11-19 07:50:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_rx_buf [2023-11-19 07:50:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 07:50:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 07:50:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:50:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:50:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure __net_timestamp [2023-11-19 07:50:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __net_timestamp [2023-11-19 07:50:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:50:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:50:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:50:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:50:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:50:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:50:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:50:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:50:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:50:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:50:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioctl [2023-11-19 07:50:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioctl [2023-11-19 07:50:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-19 07:50:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-19 07:50:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:50:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:50:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:50:06,849 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:50:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure process_rsq [2023-11-19 07:50:06,849 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rsq [2023-11-19 07:50:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:50:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 07:50:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:50:06,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:50:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:50:06,850 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:50:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2023-11-19 07:50:06,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2023-11-19 07:50:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:50:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 07:50:06,850 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 07:50:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-11-19 07:50:06,851 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-11-19 07:50:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:50:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_sm_buf [2023-11-19 07:50:06,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_sm_buf [2023-11-19 07:50:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:50:06,851 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:50:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 07:50:06,852 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 07:50:06,852 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 07:50:06,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 07:50:06,852 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:50:06,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:50:06,852 INFO L130 BoogieDeclarations]: Found specification of procedure push_rxbufs [2023-11-19 07:50:06,852 INFO L138 BoogieDeclarations]: Found implementation of procedure push_rxbufs [2023-11-19 07:50:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:50:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure ns_phy_get [2023-11-19 07:50:06,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_phy_get [2023-11-19 07:50:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:50:06,853 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:50:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:50:06,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:50:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-19 07:50:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-19 07:50:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:50:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure ns_close [2023-11-19 07:50:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_close [2023-11-19 07:50:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 07:50:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 07:50:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 07:50:06,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 07:50:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:50:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:50:06,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:50:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure nicstar_read_eprom [2023-11-19 07:50:06,855 INFO L138 BoogieDeclarations]: Found implementation of procedure nicstar_read_eprom [2023-11-19 07:50:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:50:06,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:50:06,856 INFO L130 BoogieDeclarations]: Found specification of procedure ns_phy_put [2023-11-19 07:50:06,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_phy_put [2023-11-19 07:50:06,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:50:06,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:50:06,856 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_iov_buf [2023-11-19 07:50:06,856 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_iov_buf [2023-11-19 07:50:06,856 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-11-19 07:50:06,857 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-11-19 07:50:06,857 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:50:06,857 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:50:06,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:50:06,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 07:50:06,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 07:50:06,857 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 07:50:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 07:50:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure ns_send [2023-11-19 07:50:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_send [2023-11-19 07:50:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-19 07:50:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-19 07:50:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-19 07:50:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-19 07:50:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 07:50:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 07:50:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:50:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:50:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-19 07:50:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-19 07:50:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:50:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:50:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:50:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:50:06,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:50:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 07:50:06,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 07:50:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-19 07:50:06,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-19 07:50:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2023-11-19 07:50:06,861 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2023-11-19 07:50:06,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:50:06,861 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 07:50:06,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 07:50:06,861 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 07:50:06,861 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 07:50:06,861 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:50:06,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:50:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:50:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:50:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:50:06,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:50:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-19 07:50:06,862 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-19 07:50:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 07:50:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 07:50:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:50:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:50:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure free_scq [2023-11-19 07:50:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure free_scq [2023-11-19 07:50:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2023-11-19 07:50:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2023-11-19 07:50:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2023-11-19 07:50:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2023-11-19 07:50:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_iovec_rx_bufs [2023-11-19 07:50:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_iovec_rx_bufs [2023-11-19 07:50:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-19 07:50:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-19 07:50:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure nicstar_remove_one [2023-11-19 07:50:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure nicstar_remove_one [2023-11-19 07:50:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2023-11-19 07:50:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2023-11-19 07:50:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 07:50:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 07:50:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-19 07:50:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-19 07:50:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure ns_init_card_error [2023-11-19 07:50:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_init_card_error [2023-11-19 07:50:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 07:50:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 07:50:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 07:50:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 07:50:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:50:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:50:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure ns_write_sram [2023-11-19 07:50:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_write_sram [2023-11-19 07:50:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-19 07:50:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-19 07:50:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:50:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:50:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:50:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-19 07:50:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-19 07:50:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-19 07:50:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-19 07:50:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:50:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:50:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-19 07:50:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-19 07:50:08,147 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:50:08,156 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:50:09,408 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:50:16,936 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:50:16,973 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:50:16,974 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:50:16,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:16 BoogieIcfgContainer [2023-11-19 07:50:16,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:50:16,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:50:16,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:50:16,998 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:50:16,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:50:02" (1/3) ... [2023-11-19 07:50:16,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580927d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:16, skipping insertion in model container [2023-11-19 07:50:17,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:05" (2/3) ... [2023-11-19 07:50:17,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580927d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:17, skipping insertion in model container [2023-11-19 07:50:17,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:16" (3/3) ... [2023-11-19 07:50:17,004 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2023-11-19 07:50:17,024 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:50:17,024 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:50:17,153 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:50:17,163 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;@21d09cb7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:50:17,164 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:50:17,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 2396 states, 1687 states have (on average 1.4131594546532307) internal successors, (2384), 1758 states have internal predecessors, (2384), 621 states have call successors, (621), 91 states have call predecessors, (621), 90 states have return successors, (615), 604 states have call predecessors, (615), 615 states have call successors, (615) [2023-11-19 07:50:17,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 07:50:17,232 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:17,233 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:50:17,234 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:17,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:17,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2104213778, now seen corresponding path program 1 times [2023-11-19 07:50:17,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:17,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125458521] [2023-11-19 07:50:17,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:17,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:50:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:50:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:50:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:50:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:50:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:50:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:50:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:50:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:50:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:50:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:50:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-19 07:50:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-19 07:50:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:50:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:18,398 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-11-19 07:50:18,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:18,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125458521] [2023-11-19 07:50:18,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125458521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:18,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:18,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:50:18,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440137333] [2023-11-19 07:50:18,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:18,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:50:18,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:18,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:50:18,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:50:18,459 INFO L87 Difference]: Start difference. First operand has 2396 states, 1687 states have (on average 1.4131594546532307) internal successors, (2384), 1758 states have internal predecessors, (2384), 621 states have call successors, (621), 91 states have call predecessors, (621), 90 states have return successors, (615), 604 states have call predecessors, (615), 615 states have call successors, (615) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 07:50:34,296 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 [] [2023-11-19 07:50:36,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:50:38,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:50:40,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:40,110 INFO L93 Difference]: Finished difference Result 5179 states and 8133 transitions. [2023-11-19 07:50:40,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:50:40,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 150 [2023-11-19 07:50:40,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:40,195 INFO L225 Difference]: With dead ends: 5179 [2023-11-19 07:50:40,196 INFO L226 Difference]: Without dead ends: 2764 [2023-11-19 07:50:40,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:50:40,243 INFO L413 NwaCegarLoop]: 2704 mSDtfsCounter, 1534 mSDsluCounter, 4123 mSDsCounter, 0 mSdLazyCounter, 4153 mSolverCounterSat, 1597 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 6827 SdHoareTripleChecker+Invalid, 5753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1597 IncrementalHoareTripleChecker+Valid, 4153 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:40,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1623 Valid, 6827 Invalid, 5753 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1597 Valid, 4153 Invalid, 3 Unknown, 0 Unchecked, 20.9s Time] [2023-11-19 07:50:40,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states. [2023-11-19 07:50:40,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2360. [2023-11-19 07:50:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2360 states, 1659 states have (on average 1.3954189270644968) internal successors, (2315), 1720 states have internal predecessors, (2315), 611 states have call successors, (611), 90 states have call predecessors, (611), 89 states have return successors, (610), 599 states have call predecessors, (610), 610 states have call successors, (610) [2023-11-19 07:50:40,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 3536 transitions. [2023-11-19 07:50:40,632 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 3536 transitions. Word has length 150 [2023-11-19 07:50:40,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:40,636 INFO L495 AbstractCegarLoop]: Abstraction has 2360 states and 3536 transitions. [2023-11-19 07:50:40,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 07:50:40,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 3536 transitions. [2023-11-19 07:50:40,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 07:50:40,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:40,657 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:50:40,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:50:40,658 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:40,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:40,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1170160484, now seen corresponding path program 1 times [2023-11-19 07:50:40,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:40,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727549505] [2023-11-19 07:50:40,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:40,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:50:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:50:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:50:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:50:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:50:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:50:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:50:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:50:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:50:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:50:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:50:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-19 07:50:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-19 07:50:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:50:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:41,593 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-11-19 07:50:41,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:41,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727549505] [2023-11-19 07:50:41,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727549505] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:41,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:41,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:50:41,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913254300] [2023-11-19 07:50:41,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:41,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:50:41,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:41,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:50:41,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:50:41,600 INFO L87 Difference]: Start difference. First operand 2360 states and 3536 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)