./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4a1e17c33569fa40e536cd8c869720d5a80d6c0d7c343e9efbe1ac963f2ae01b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:30:16,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:30:16,142 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:30:16,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:30:16,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:30:16,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:30:16,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:30:16,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:30:16,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:30:16,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:30:16,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:30:16,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:30:16,199 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:30:16,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:30:16,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:30:16,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:30:16,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:30:16,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:30:16,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:30:16,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:30:16,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:30:16,204 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:30:16,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:30:16,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:30:16,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:30:16,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:16,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:30:16,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:30:16,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:30:16,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:30:16,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:30:16,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:30:16,211 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:30:16,212 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:30:16,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:30:16,212 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:30:16,212 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_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a1e17c33569fa40e536cd8c869720d5a80d6c0d7c343e9efbe1ac963f2ae01b [2023-11-12 02:30:16,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:30:16,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:30:16,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:30:16,544 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:30:16,545 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:30:16,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/bin/uautomizer-verify-uTZkv6EMXl/../../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 [2023-11-12 02:30:19,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:30:20,390 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:30:20,390 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/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 [2023-11-12 02:30:20,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/bin/uautomizer-verify-uTZkv6EMXl/data/b3b362352/d87fe0d1a87a4d49a4341c98c57b0dc5/FLAGfef625a87 [2023-11-12 02:30:20,468 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/bin/uautomizer-verify-uTZkv6EMXl/data/b3b362352/d87fe0d1a87a4d49a4341c98c57b0dc5 [2023-11-12 02:30:20,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:30:20,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:30:20,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:20,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:30:20,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:30:20,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:20" (1/1) ... [2023-11-12 02:30:20,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c84629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:20, skipping insertion in model container [2023-11-12 02:30:20,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:20" (1/1) ... [2023-11-12 02:30:20,669 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:30:23,404 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_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/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] [2023-11-12 02:30:23,461 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-12 02:30:23,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:23,519 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:30:23,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6371] [2023-11-12 02:30:23,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6373] [2023-11-12 02:30:23,674 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] [2023-11-12 02:30:23,675 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] [2023-11-12 02:30:23,679 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] [2023-11-12 02:30:23,680 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] [2023-11-12 02:30:23,680 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] [2023-11-12 02:30:23,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6545] [2023-11-12 02:30:23,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6548] [2023-11-12 02:30:23,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6551] [2023-11-12 02:30:23,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6554] [2023-11-12 02:30:23,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6637] [2023-11-12 02:30:23,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6644] [2023-11-12 02:30:23,701 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] [2023-11-12 02:30:23,704 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] [2023-11-12 02:30:23,706 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] [2023-11-12 02:30:24,077 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] [2023-11-12 02:30:24,112 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_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/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] [2023-11-12 02:30:24,119 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-12 02:30:24,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:24,198 WARN L672 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:30:24,199 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:30:24,199 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:30:24,207 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:30:24,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:24 WrapperNode [2023-11-12 02:30:24,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:24,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:24,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:30:24,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:30:24,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:24" (1/1) ... [2023-11-12 02:30:24,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:24" (1/1) ... [2023-11-12 02:30:24,566 INFO L138 Inliner]: procedures = 252, calls = 2387, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 6910 [2023-11-12 02:30:24,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:24,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:30:24,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:30:24,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:30:24,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:24" (1/1) ... [2023-11-12 02:30:24,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:24" (1/1) ... [2023-11-12 02:30:24,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:24" (1/1) ... [2023-11-12 02:30:24,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:24" (1/1) ... [2023-11-12 02:30:24,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:24" (1/1) ... [2023-11-12 02:30:24,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:24" (1/1) ... [2023-11-12 02:30:24,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:24" (1/1) ... [2023-11-12 02:30:25,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:24" (1/1) ... [2023-11-12 02:30:25,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:30:25,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:30:25,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:30:25,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:30:25,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:24" (1/1) ... [2023-11-12 02:30:25,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:25,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:25,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:25,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e240cf-568f-4a01-8f32-2a3a06a1e3d1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:30:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure atm_charge [2023-11-12 02:30:25,147 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_charge [2023-11-12 02:30:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-12 02:30:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-12 02:30:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure process_tsq [2023-11-12 02:30:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure process_tsq [2023-11-12 02:30:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:30:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-12 02:30:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-12 02:30:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:30:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:30:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:30:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:30:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:30:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-12 02:30:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-12 02:30:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure ns_open [2023-11-12 02:30:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_open [2023-11-12 02:30:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-12 02:30:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-12 02:30:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 02:30:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 02:30:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure ns_read_sram [2023-11-12 02:30:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_read_sram [2023-11-12 02:30:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure get_scq [2023-11-12 02:30:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure get_scq [2023-11-12 02:30:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:30:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:30:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_rx_buf [2023-11-12 02:30:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_rx_buf [2023-11-12 02:30:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 02:30:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 02:30:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:30:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:30:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure __net_timestamp [2023-11-12 02:30:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __net_timestamp [2023-11-12 02:30:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:30:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:30:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 02:30:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 02:30:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:30:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:30:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:30:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:30:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:30:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:30:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioctl [2023-11-12 02:30:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioctl [2023-11-12 02:30:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 02:30:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 02:30:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:30:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:30:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 02:30:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 02:30:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure process_rsq [2023-11-12 02:30:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rsq [2023-11-12 02:30:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:30:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:30:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 02:30:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 02:30:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:30:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:30:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2023-11-12 02:30:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2023-11-12 02:30:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:30:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 02:30:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 02:30:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-11-12 02:30:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-11-12 02:30:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:30:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_sm_buf [2023-11-12 02:30:25,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_sm_buf [2023-11-12 02:30:25,160 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:30:25,160 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:30:25,160 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 02:30:25,160 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 02:30:25,160 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-12 02:30:25,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-12 02:30:25,161 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:30:25,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:30:25,161 INFO L130 BoogieDeclarations]: Found specification of procedure push_rxbufs [2023-11-12 02:30:25,161 INFO L138 BoogieDeclarations]: Found implementation of procedure push_rxbufs [2023-11-12 02:30:25,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:30:25,161 INFO L130 BoogieDeclarations]: Found specification of procedure ns_phy_get [2023-11-12 02:30:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_phy_get [2023-11-12 02:30:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:30:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:30:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 02:30:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 02:30:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-12 02:30:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-12 02:30:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:30:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure ns_close [2023-11-12 02:30:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_close [2023-11-12 02:30:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 02:30:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 02:30:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 02:30:25,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 02:30:25,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:30:25,164 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:30:25,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:30:25,164 INFO L130 BoogieDeclarations]: Found specification of procedure nicstar_read_eprom [2023-11-12 02:30:25,164 INFO L138 BoogieDeclarations]: Found implementation of procedure nicstar_read_eprom [2023-11-12 02:30:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:30:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:30:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure ns_phy_put [2023-11-12 02:30:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_phy_put [2023-11-12 02:30:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 02:30:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 02:30:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_iov_buf [2023-11-12 02:30:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_iov_buf [2023-11-12 02:30:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-11-12 02:30:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-11-12 02:30:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:30:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:30:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:30:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 02:30:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 02:30:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-12 02:30:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-12 02:30:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure ns_send [2023-11-12 02:30:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_send [2023-11-12 02:30:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-12 02:30:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-12 02:30:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-12 02:30:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-12 02:30:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 02:30:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 02:30:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:30:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:30:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-12 02:30:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-12 02:30:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 02:30:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 02:30:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:30:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 02:30:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 02:30:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 02:30:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 02:30:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 02:30:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 02:30:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2023-11-12 02:30:25,171 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2023-11-12 02:30:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:30:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 02:30:25,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 02:30:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-12 02:30:25,172 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-12 02:30:25,172 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:30:25,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:30:25,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:30:25,172 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 02:30:25,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-12 02:30:25,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-12 02:30:25,173 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-12 02:30:25,173 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-12 02:30:25,173 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 02:30:25,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 02:30:25,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:30:25,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:30:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure free_scq [2023-11-12 02:30:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure free_scq [2023-11-12 02:30:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2023-11-12 02:30:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2023-11-12 02:30:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2023-11-12 02:30:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2023-11-12 02:30:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_iovec_rx_bufs [2023-11-12 02:30:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_iovec_rx_bufs [2023-11-12 02:30:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-12 02:30:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-12 02:30:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure nicstar_remove_one [2023-11-12 02:30:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure nicstar_remove_one [2023-11-12 02:30:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2023-11-12 02:30:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2023-11-12 02:30:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 02:30:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 02:30:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-12 02:30:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-12 02:30:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure ns_init_card_error [2023-11-12 02:30:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_init_card_error [2023-11-12 02:30:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 02:30:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 02:30:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 02:30:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 02:30:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 02:30:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 02:30:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure ns_write_sram [2023-11-12 02:30:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_write_sram [2023-11-12 02:30:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-12 02:30:25,178 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-12 02:30:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:30:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 02:30:25,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 02:30:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-12 02:30:25,179 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-12 02:30:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-12 02:30:25,179 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-12 02:30:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:30:25,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:30:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-12 02:30:25,179 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-12 02:30:26,166 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:30:26,175 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:30:27,320 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:30:34,746 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:30:34,778 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:30:34,778 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 02:30:34,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:34 BoogieIcfgContainer [2023-11-12 02:30:34,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:30:34,789 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:30:34,789 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:30:34,793 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:30:34,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:30:20" (1/3) ... [2023-11-12 02:30:34,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac24876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:34, skipping insertion in model container [2023-11-12 02:30:34,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:24" (2/3) ... [2023-11-12 02:30:34,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac24876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:34, skipping insertion in model container [2023-11-12 02:30:34,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:34" (3/3) ... [2023-11-12 02:30:34,798 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2023-11-12 02:30:34,819 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:30:34,819 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:30:34,946 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:30:34,958 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;@1317046, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:30:34,958 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:30:34,976 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) [2023-11-12 02:30:35,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-12 02:30:35,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:35,027 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] [2023-11-12 02:30:35,028 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:35,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:35,036 INFO L85 PathProgramCache]: Analyzing trace with hash 2104213778, now seen corresponding path program 1 times [2023-11-12 02:30:35,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:35,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149409328] [2023-11-12 02:30:35,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:35,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:35,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:30:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:35,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:35,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:30:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:35,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:30:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:35,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:30:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:30:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:30:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:30:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:30:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:30:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:30:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-12 02:30:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-12 02:30:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-12 02:30:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-12 02:30:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-11-12 02:30:36,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:36,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149409328] [2023-11-12 02:30:36,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149409328] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:36,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:36,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:30:36,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530008112] [2023-11-12 02:30:36,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:36,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:30:36,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:36,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:30:36,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:30:36,399 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) [2023-11-12 02:30:49,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:30:51,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:30:52,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:30:54,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:54,083 INFO L93 Difference]: Finished difference Result 5179 states and 8133 transitions. [2023-11-12 02:30:54,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:30:54,086 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 [2023-11-12 02:30:54,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:54,137 INFO L225 Difference]: With dead ends: 5179 [2023-11-12 02:30:54,137 INFO L226 Difference]: Without dead ends: 2764 [2023-11-12 02:30:54,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:30:54,172 INFO L413 NwaCegarLoop]: 2717 mSDtfsCounter, 1527 mSDsluCounter, 4126 mSDsCounter, 0 mSdLazyCounter, 4173 mSolverCounterSat, 1589 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1618 SdHoareTripleChecker+Valid, 6843 SdHoareTripleChecker+Invalid, 5764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1589 IncrementalHoareTripleChecker+Valid, 4173 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:54,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1618 Valid, 6843 Invalid, 5764 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1589 Valid, 4173 Invalid, 2 Unknown, 0 Unchecked, 17.0s Time] [2023-11-12 02:30:54,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states. [2023-11-12 02:30:54,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2360. [2023-11-12 02:30:54,431 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) [2023-11-12 02:30:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 3536 transitions. [2023-11-12 02:30:54,520 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 3536 transitions. Word has length 150 [2023-11-12 02:30:54,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:54,521 INFO L495 AbstractCegarLoop]: Abstraction has 2360 states and 3536 transitions. [2023-11-12 02:30:54,521 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) [2023-11-12 02:30:54,521 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 3536 transitions. [2023-11-12 02:30:54,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-12 02:30:54,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:54,529 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] [2023-11-12 02:30:54,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:30:54,529 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:54,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:54,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1170160484, now seen corresponding path program 1 times [2023-11-12 02:30:54,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:54,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912735704] [2023-11-12 02:30:54,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:54,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:30:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:30:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:30:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:30:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:30:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:30:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:30:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:30:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:30:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:30:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-12 02:30:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-12 02:30:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:55,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:55,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-12 02:30:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:55,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:55,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-12 02:30:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:55,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:30:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-11-12 02:30:55,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:55,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912735704] [2023-11-12 02:30:55,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912735704] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:55,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:55,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:30:55,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369879338] [2023-11-12 02:30:55,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:55,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:30:55,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:55,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:30:55,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:30:55,057 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)