./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_6fea6889-5069-4258-a03c-8c5abe01a61d/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fea6889-5069-4258-a03c-8c5abe01a61d/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fea6889-5069-4258-a03c-8c5abe01a61d/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fea6889-5069-4258-a03c-8c5abe01a61d/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fea6889-5069-4258-a03c-8c5abe01a61d/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fea6889-5069-4258-a03c-8c5abe01a61d/bin/uautomizer-verify-VRDe98Ueme --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 f79f3d9139777b1f3fad73d9402dfb981cfc6913b7a8d2e7fbb1388b638a27b1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:45:02,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:45:02,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fea6889-5069-4258-a03c-8c5abe01a61d/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 10:45:02,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:45:02,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:45:02,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:45:02,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:45:02,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:45:02,881 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:45:02,887 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:45:02,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:45:02,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:45:02,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:45:02,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:45:02,891 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:45:02,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:45:02,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:45:02,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:45:02,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:45:02,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:45:02,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:45:02,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:45:02,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:45:02,896 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:45:02,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:45:02,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:45:02,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:45:02,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:45:02,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:45:02,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:45:02,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:45:02,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:45:02,901 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:45:02,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:45:02,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:45:02,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:45:02,902 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:45:02,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:45:02,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:45:02,903 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_6fea6889-5069-4258-a03c-8c5abe01a61d/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fea6889-5069-4258-a03c-8c5abe01a61d/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f79f3d9139777b1f3fad73d9402dfb981cfc6913b7a8d2e7fbb1388b638a27b1 [2023-11-26 10:45:03,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:45:03,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:45:03,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:45:03,258 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:45:03,258 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:45:03,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fea6889-5069-4258-a03c-8c5abe01a61d/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2023-11-26 10:45:06,406 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:45:07,082 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:45:07,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fea6889-5069-4258-a03c-8c5abe01a61d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2023-11-26 10:45:07,145 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fea6889-5069-4258-a03c-8c5abe01a61d/bin/uautomizer-verify-VRDe98Ueme/data/1d6abf4e8/87522b47f3774f84836a39c9e902b7cf/FLAGf4ba02850 [2023-11-26 10:45:07,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fea6889-5069-4258-a03c-8c5abe01a61d/bin/uautomizer-verify-VRDe98Ueme/data/1d6abf4e8/87522b47f3774f84836a39c9e902b7cf [2023-11-26 10:45:07,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:45:07,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:45:07,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:07,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:45:07,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:45:07,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:07" (1/1) ... [2023-11-26 10:45:07,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa71f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:07, skipping insertion in model container [2023-11-26 10:45:07,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:07" (1/1) ... [2023-11-26 10:45:07,369 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:45:09,436 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_6fea6889-5069-4258-a03c-8c5abe01a61d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i[262495,262508] [2023-11-26 10:45:09,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:45:09,622 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:45:09,765 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"); [5575] [2023-11-26 10:45:09,767 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)); [5582] [2023-11-26 10:45:09,768 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5590-5591] [2023-11-26 10:45:09,768 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5599-5600] [2023-11-26 10:45:09,779 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)); [5732] [2023-11-26 10:45:09,779 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; decl %0": "+m" (v->counter)); [5739] [2023-11-26 10:45:09,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5838] [2023-11-26 10:45:09,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5845] [2023-11-26 10:45:09,802 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)); [6002-6003] [2023-11-26 10:45:09,807 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)); [6031-6032] [2023-11-26 10:45:09,809 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" (84), "i" (12UL)); [6066-6067] [2023-11-26 10:45:09,811 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" (96), "i" (12UL)); [6090-6091] [2023-11-26 10:45:09,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6453] [2023-11-26 10:45:09,837 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10706/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/natsemi/ns83820.c"), "i" (538), "i" (12UL)); [6480-6481] [2023-11-26 10:45:09,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6844] [2023-11-26 10:45:09,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6972] [2023-11-26 10:45:09,925 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7405] [2023-11-26 10:45:10,068 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_6fea6889-5069-4258-a03c-8c5abe01a61d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i[262495,262508] [2023-11-26 10:45:10,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:45:10,266 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:45:10,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:10 WrapperNode [2023-11-26 10:45:10,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:10,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:45:10,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:45:10,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:45:10,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:10" (1/1) ... [2023-11-26 10:45:10,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:10" (1/1) ... [2023-11-26 10:45:10,584 INFO L138 Inliner]: procedures = 264, calls = 1420, calls flagged for inlining = 130, calls inlined = 125, statements flattened = 4290 [2023-11-26 10:45:10,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:45:10,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:45:10,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:45:10,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:45:10,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:10" (1/1) ... [2023-11-26 10:45:10,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:10" (1/1) ... [2023-11-26 10:45:10,651 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:10" (1/1) ... [2023-11-26 10:45:11,682 INFO L175 MemorySlicer]: Split 757 memory accesses to 14 slices as follows [2, 8, 26, 2, 6, 5, 5, 5, 3, 8, 8, 3, 635, 41]. 84 percent of accesses are in the largest equivalence class. The 261 initializations are split as follows [2, 8, 26, 0, 0, 5, 5, 5, 3, 8, 8, 0, 150, 41]. The 140 writes are split as follows [0, 0, 0, 1, 5, 0, 0, 0, 0, 0, 0, 1, 133, 0]. [2023-11-26 10:45:11,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:10" (1/1) ... [2023-11-26 10:45:11,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:10" (1/1) ... [2023-11-26 10:45:11,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:10" (1/1) ... [2023-11-26 10:45:11,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:10" (1/1) ... [2023-11-26 10:45:11,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:10" (1/1) ... [2023-11-26 10:45:11,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:10" (1/1) ... [2023-11-26 10:45:11,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:45:11,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:45:11,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:45:11,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:45:11,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:10" (1/1) ... [2023-11-26 10:45:11,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:45:12,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fea6889-5069-4258-a03c-8c5abe01a61d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:12,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fea6889-5069-4258-a03c-8c5abe01a61d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:12,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fea6889-5069-4258-a03c-8c5abe01a61d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:45:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2023-11-26 10:45:12,072 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2023-11-26 10:45:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2023-11-26 10:45:12,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2023-11-26 10:45:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-26 10:45:12,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-26 10:45:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-26 10:45:12,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-26 10:45:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-26 10:45:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-26 10:45:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2023-11-26 10:45:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2023-11-26 10:45:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-26 10:45:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-26 10:45:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2023-11-26 10:45:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2023-11-26 10:45:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-26 10:45:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-26 10:45:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 10:45:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 10:45:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-26 10:45:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-26 10:45:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-26 10:45:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-26 10:45:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-26 10:45:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-26 10:45:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 10:45:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 10:45:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-26 10:45:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-26 10:45:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-11-26 10:45:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-11-26 10:45:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-26 10:45:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-26 10:45:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-26 10:45:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-26 10:45:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-26 10:45:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-26 10:45:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-26 10:45:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-26 10:45:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-26 10:45:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-26 10:45:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-26 10:45:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-26 10:45:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-26 10:45:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-26 10:45:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-26 10:45:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-26 10:45:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-26 10:45:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-26 10:45:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-26 10:45:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-26 10:45:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-26 10:45:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-26 10:45:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-26 10:45:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-26 10:45:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-26 10:45:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-26 10:45:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-26 10:45:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-26 10:45:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-26 10:45:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-26 10:45:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-26 10:45:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-26 10:45:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-26 10:45:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-26 10:45:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:45:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:45:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-26 10:45:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-26 10:45:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-26 10:45:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-26 10:45:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-26 10:45:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-26 10:45:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-26 10:45:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-26 10:45:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2023-11-26 10:45:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2023-11-26 10:45:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2023-11-26 10:45:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2023-11-26 10:45:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-26 10:45:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-26 10:45:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:45:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure queue_refill [2023-11-26 10:45:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_refill [2023-11-26 10:45:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-26 10:45:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-26 10:45:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 10:45:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 10:45:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 10:45:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 10:45:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 10:45:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 10:45:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 10:45:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 10:45:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 10:45:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 10:45:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 10:45:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 10:45:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 10:45:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 10:45:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-26 10:45:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-26 10:45:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-26 10:45:12,098 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-26 10:45:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-26 10:45:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-26 10:45:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-26 10:45:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-26 10:45:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-26 10:45:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-26 10:45:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-26 10:45:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-26 10:45:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:45:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-26 10:45:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-26 10:45:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 10:45:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 10:45:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 10:45:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 10:45:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 10:45:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 10:45:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 10:45:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 10:45:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 10:45:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 10:45:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 10:45:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 10:45:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 10:45:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 10:45:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-26 10:45:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-26 10:45:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-26 10:45:12,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-26 10:45:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-26 10:45:12,109 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-26 10:45:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-26 10:45:12,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-26 10:45:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-26 10:45:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-26 10:45:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_stats [2023-11-26 10:45:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_stats [2023-11-26 10:45:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-26 10:45:12,117 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-26 10:45:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2023-11-26 10:45:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2023-11-26 10:45:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-26 10:45:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-26 10:45:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-26 10:45:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-26 10:45:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-26 10:45:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-26 10:45:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-26 10:45:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-26 10:45:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2023-11-26 10:45:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2023-11-26 10:45:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:45:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:45:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:45:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:45:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:45:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 10:45:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 10:45:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 10:45:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 10:45:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 10:45:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 10:45:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 10:45:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 10:45:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 10:45:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-26 10:45:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-26 10:45:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-26 10:45:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-26 10:45:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2023-11-26 10:45:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2023-11-26 10:45:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-26 10:45:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-26 10:45:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2023-11-26 10:45:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2023-11-26 10:45:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-26 10:45:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-26 10:45:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-26 10:45:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-26 10:45:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:45:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:45:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:45:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:45:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:45:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 10:45:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 10:45:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 10:45:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 10:45:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 10:45:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 10:45:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 10:45:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 10:45:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 10:45:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-26 10:45:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-26 10:45:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-26 10:45:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-26 10:45:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_change_mtu [2023-11-26 10:45:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_change_mtu [2023-11-26 10:45:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-26 10:45:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-26 10:45:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 10:45:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 10:45:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-26 10:45:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-26 10:45:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2023-11-26 10:45:12,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2023-11-26 10:45:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:45:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:45:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 10:45:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 10:45:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 10:45:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 10:45:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 10:45:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 10:45:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 10:45:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 10:45:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 10:45:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 10:45:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 10:45:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 10:45:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 10:45:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 10:45:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2023-11-26 10:45:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2023-11-26 10:45:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2023-11-26 10:45:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2023-11-26 10:45:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-26 10:45:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-26 10:45:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-11-26 10:45:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-11-26 10:45:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-26 10:45:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-26 10:45:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-26 10:45:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-26 10:45:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-26 10:45:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-26 10:45:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-26 10:45:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-26 10:45:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2023-11-26 10:45:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2023-11-26 10:45:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-26 10:45:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-26 10:45:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2023-11-26 10:45:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2023-11-26 10:45:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2023-11-26 10:45:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2023-11-26 10:45:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2023-11-26 10:45:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2023-11-26 10:45:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-26 10:45:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-26 10:45:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-26 10:45:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-26 10:45:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-26 10:45:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-26 10:45:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-26 10:45:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-26 10:45:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:45:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:45:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:45:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:45:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:45:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 10:45:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 10:45:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 10:45:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 10:45:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 10:45:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 10:45:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 10:45:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 10:45:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 10:45:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2023-11-26 10:45:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2023-11-26 10:45:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:45:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:45:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2023-11-26 10:45:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2023-11-26 10:45:12,919 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:45:12,926 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:45:13,136 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-26 10:45:16,658 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:45:16,970 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:45:16,971 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:45:16,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:16 BoogieIcfgContainer [2023-11-26 10:45:16,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:45:16,975 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:45:16,975 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:45:16,978 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:45:16,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:45:07" (1/3) ... [2023-11-26 10:45:16,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2996683d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:45:16, skipping insertion in model container [2023-11-26 10:45:16,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:10" (2/3) ... [2023-11-26 10:45:16,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2996683d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:45:16, skipping insertion in model container [2023-11-26 10:45:16,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:16" (3/3) ... [2023-11-26 10:45:16,981 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2023-11-26 10:45:17,002 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:45:17,002 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:45:17,088 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:45:17,095 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;@66a5f240, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:45:17,096 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:45:17,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 1630 states, 1132 states have (on average 1.447879858657244) internal successors, (1639), 1171 states have internal predecessors, (1639), 413 states have call successors, (413), 84 states have call predecessors, (413), 83 states have return successors, (405), 403 states have call predecessors, (405), 405 states have call successors, (405) [2023-11-26 10:45:17,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-26 10:45:17,133 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:17,134 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2023-11-26 10:45:17,135 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:45:17,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:17,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1725972462, now seen corresponding path program 1 times [2023-11-26 10:45:17,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:17,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977834136] [2023-11-26 10:45:17,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:17,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:17,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:17,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:17,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:45:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:18,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:18,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:18,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:45:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:18,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:18,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 10:45:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:18,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:18,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:45:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:18,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-26 10:45:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:18,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-26 10:45:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:18,168 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-26 10:45:18,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:18,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977834136] [2023-11-26 10:45:18,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977834136] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:18,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:18,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:45:18,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820042720] [2023-11-26 10:45:18,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:18,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:45:18,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:18,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:45:18,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:45:18,216 INFO L87 Difference]: Start difference. First operand has 1630 states, 1132 states have (on average 1.447879858657244) internal successors, (1639), 1171 states have internal predecessors, (1639), 413 states have call successors, (413), 84 states have call predecessors, (413), 83 states have return successors, (405), 403 states have call predecessors, (405), 405 states have call successors, (405) Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 10:45:25,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:25,220 INFO L93 Difference]: Finished difference Result 3360 states and 5124 transitions. [2023-11-26 10:45:25,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:45:25,223 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2023-11-26 10:45:25,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:45:25,267 INFO L225 Difference]: With dead ends: 3360 [2023-11-26 10:45:25,268 INFO L226 Difference]: Without dead ends: 1717 [2023-11-26 10:45:25,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-26 10:45:25,290 INFO L413 NwaCegarLoop]: 1092 mSDtfsCounter, 3788 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 2630 mSolverCounterSat, 2172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4014 SdHoareTripleChecker+Valid, 2354 SdHoareTripleChecker+Invalid, 4802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2172 IncrementalHoareTripleChecker+Valid, 2630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-26 10:45:25,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4014 Valid, 2354 Invalid, 4802 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2172 Valid, 2630 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-11-26 10:45:25,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2023-11-26 10:45:25,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1587. [2023-11-26 10:45:25,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1106 states have (on average 1.3942133815551536) internal successors, (1542), 1134 states have internal predecessors, (1542), 399 states have call successors, (399), 82 states have call predecessors, (399), 81 states have return successors, (398), 396 states have call predecessors, (398), 398 states have call successors, (398) [2023-11-26 10:45:25,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2339 transitions. [2023-11-26 10:45:25,563 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2339 transitions. Word has length 94 [2023-11-26 10:45:25,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:45:25,564 INFO L495 AbstractCegarLoop]: Abstraction has 1587 states and 2339 transitions. [2023-11-26 10:45:25,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 10:45:25,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2339 transitions. [2023-11-26 10:45:25,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-26 10:45:25,581 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:25,581 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:25,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:45:25,582 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:45:25,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:25,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1007752857, now seen corresponding path program 1 times [2023-11-26 10:45:25,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:25,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230260030] [2023-11-26 10:45:25,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:25,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:25,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:25,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:25,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:45:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:25,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:25,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:45:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 10:45:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:45:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-26 10:45:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-26 10:45:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-26 10:45:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-26 10:45:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-26 10:45:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-26 10:45:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,139 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 10:45:26,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:26,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230260030] [2023-11-26 10:45:26,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230260030] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:26,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:26,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:45:26,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891366766] [2023-11-26 10:45:26,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:26,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:45:26,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:26,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:45:26,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:45:26,144 INFO L87 Difference]: Start difference. First operand 1587 states and 2339 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-26 10:45:32,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:32,202 INFO L93 Difference]: Finished difference Result 3164 states and 4662 transitions. [2023-11-26 10:45:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:45:32,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 117 [2023-11-26 10:45:32,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:45:32,218 INFO L225 Difference]: With dead ends: 3164 [2023-11-26 10:45:32,218 INFO L226 Difference]: Without dead ends: 1591 [2023-11-26 10:45:32,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-26 10:45:32,228 INFO L413 NwaCegarLoop]: 1053 mSDtfsCounter, 3450 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 2275 mSolverCounterSat, 1952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3668 SdHoareTripleChecker+Valid, 2265 SdHoareTripleChecker+Invalid, 4227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1952 IncrementalHoareTripleChecker+Valid, 2275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-26 10:45:32,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3668 Valid, 2265 Invalid, 4227 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1952 Valid, 2275 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-26 10:45:32,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1591 states. [2023-11-26 10:45:32,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1591 to 1463. [2023-11-26 10:45:32,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 1016 states have (on average 1.3789370078740157) internal successors, (1401), 1038 states have internal predecessors, (1401), 366 states have call successors, (366), 81 states have call predecessors, (366), 80 states have return successors, (365), 363 states have call predecessors, (365), 365 states have call successors, (365) [2023-11-26 10:45:32,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 2132 transitions. [2023-11-26 10:45:32,358 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 2132 transitions. Word has length 117 [2023-11-26 10:45:32,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:45:32,359 INFO L495 AbstractCegarLoop]: Abstraction has 1463 states and 2132 transitions. [2023-11-26 10:45:32,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-26 10:45:32,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2132 transitions. [2023-11-26 10:45:32,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-26 10:45:32,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:32,364 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:32,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:45:32,365 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:45:32,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:32,366 INFO L85 PathProgramCache]: Analyzing trace with hash -957449480, now seen corresponding path program 1 times [2023-11-26 10:45:32,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:32,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620629990] [2023-11-26 10:45:32,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:32,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:45:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:45:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 10:45:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:45:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-26 10:45:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-26 10:45:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-26 10:45:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-26 10:45:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-26 10:45:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-26 10:45:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-26 10:45:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,945 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 10:45:32,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:32,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620629990] [2023-11-26 10:45:32,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620629990] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:32,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:32,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:45:32,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816056603] [2023-11-26 10:45:32,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:32,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:45:32,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:32,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:45:32,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:45:32,953 INFO L87 Difference]: Start difference. First operand 1463 states and 2132 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-26 10:45:42,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:42,102 INFO L93 Difference]: Finished difference Result 4209 states and 6151 transitions. [2023-11-26 10:45:42,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 10:45:42,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2023-11-26 10:45:42,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:45:42,127 INFO L225 Difference]: With dead ends: 4209 [2023-11-26 10:45:42,128 INFO L226 Difference]: Without dead ends: 2760 [2023-11-26 10:45:42,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-26 10:45:42,135 INFO L413 NwaCegarLoop]: 1053 mSDtfsCounter, 3865 mSDsluCounter, 2551 mSDsCounter, 0 mSdLazyCounter, 4282 mSolverCounterSat, 2020 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4075 SdHoareTripleChecker+Valid, 3604 SdHoareTripleChecker+Invalid, 6302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2020 IncrementalHoareTripleChecker+Valid, 4282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-11-26 10:45:42,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4075 Valid, 3604 Invalid, 6302 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2020 Valid, 4282 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2023-11-26 10:45:42,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2760 states. [2023-11-26 10:45:42,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2760 to 2507. [2023-11-26 10:45:42,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2507 states, 1750 states have (on average 1.3794285714285714) internal successors, (2414), 1789 states have internal predecessors, (2414), 610 states have call successors, (610), 147 states have call predecessors, (610), 146 states have return successors, (609), 605 states have call predecessors, (609), 609 states have call successors, (609) [2023-11-26 10:45:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3633 transitions. [2023-11-26 10:45:42,342 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3633 transitions. Word has length 119 [2023-11-26 10:45:42,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:45:42,343 INFO L495 AbstractCegarLoop]: Abstraction has 2507 states and 3633 transitions. [2023-11-26 10:45:42,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-26 10:45:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3633 transitions. [2023-11-26 10:45:42,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-26 10:45:42,349 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:42,350 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:42,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:45:42,350 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:45:42,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:42,351 INFO L85 PathProgramCache]: Analyzing trace with hash 439953405, now seen corresponding path program 1 times [2023-11-26 10:45:42,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:42,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514700810] [2023-11-26 10:45:42,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:42,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:45:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:45:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 10:45:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:45:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-26 10:45:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-26 10:45:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 10:45:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-26 10:45:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-26 10:45:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-26 10:45:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-26 10:45:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-26 10:45:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:45:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 10:45:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-26 10:45:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-26 10:45:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:42,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-26 10:45:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-26 10:45:43,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:43,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514700810] [2023-11-26 10:45:43,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514700810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:43,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:43,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 10:45:43,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694799473] [2023-11-26 10:45:43,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:43,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 10:45:43,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:43,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 10:45:43,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:45:43,006 INFO L87 Difference]: Start difference. First operand 2507 states and 3633 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)