./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc752419-17b5-4a65-987e-1eaf6e86a48d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc752419-17b5-4a65-987e-1eaf6e86a48d/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc752419-17b5-4a65-987e-1eaf6e86a48d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc752419-17b5-4a65-987e-1eaf6e86a48d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc752419-17b5-4a65-987e-1eaf6e86a48d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc752419-17b5-4a65-987e-1eaf6e86a48d/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f79f3d9139777b1f3fad73d9402dfb981cfc6913b7a8d2e7fbb1388b638a27b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:06:19,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:06:19,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc752419-17b5-4a65-987e-1eaf6e86a48d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:06:19,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:06:19,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:06:19,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:06:19,425 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:06:19,425 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:06:19,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:06:19,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:06:19,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:06:19,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:06:19,433 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:06:19,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:06:19,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:06:19,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:06:19,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:06:19,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:06:19,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:06:19,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:06:19,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:06:19,439 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:06:19,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:06:19,440 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:06:19,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:06:19,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:19,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:06:19,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:06:19,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:06:19,443 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:06:19,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:06:19,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:06:19,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:06:19,445 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:06:19,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:06:19,446 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:06:19,446 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_cc752419-17b5-4a65-987e-1eaf6e86a48d/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc752419-17b5-4a65-987e-1eaf6e86a48d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f79f3d9139777b1f3fad73d9402dfb981cfc6913b7a8d2e7fbb1388b638a27b1 [2023-11-19 08:06:19,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:06:19,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:06:19,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:06:19,794 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:06:19,796 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:06:19,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc752419-17b5-4a65-987e-1eaf6e86a48d/bin/uautomizer-verify-uCwYo4JHxu/../../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 [2023-11-19 08:06:22,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:06:23,652 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:06:23,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc752419-17b5-4a65-987e-1eaf6e86a48d/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 [2023-11-19 08:06:23,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc752419-17b5-4a65-987e-1eaf6e86a48d/bin/uautomizer-verify-uCwYo4JHxu/data/9dbad9b75/6bc6bc0e32af44f1baa73f6826c67773/FLAG07a185ef2 [2023-11-19 08:06:23,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc752419-17b5-4a65-987e-1eaf6e86a48d/bin/uautomizer-verify-uCwYo4JHxu/data/9dbad9b75/6bc6bc0e32af44f1baa73f6826c67773 [2023-11-19 08:06:23,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:06:23,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:06:23,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:23,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:06:23,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:06:23,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:23" (1/1) ... [2023-11-19 08:06:23,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@720f1d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:23, skipping insertion in model container [2023-11-19 08:06:23,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:23" (1/1) ... [2023-11-19 08:06:23,954 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:06:26,118 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_cc752419-17b5-4a65-987e-1eaf6e86a48d/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] [2023-11-19 08:06:26,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:26,226 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:06:26,404 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] [2023-11-19 08:06:26,406 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] [2023-11-19 08:06:26,407 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] [2023-11-19 08:06:26,408 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] [2023-11-19 08:06:26,418 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] [2023-11-19 08:06:26,418 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] [2023-11-19 08:06:26,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5838] [2023-11-19 08:06:26,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5845] [2023-11-19 08:06:26,440 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] [2023-11-19 08:06:26,445 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] [2023-11-19 08:06:26,447 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] [2023-11-19 08:06:26,449 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] [2023-11-19 08:06:26,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6453] [2023-11-19 08:06:26,479 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] [2023-11-19 08:06:26,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6844] [2023-11-19 08:06:26,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6972] [2023-11-19 08:06:26,564 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7405] [2023-11-19 08:06:26,648 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_cc752419-17b5-4a65-987e-1eaf6e86a48d/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] [2023-11-19 08:06:26,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:26,882 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:06:26,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:26 WrapperNode [2023-11-19 08:06:26,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:26,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:26,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:06:26,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:06:26,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:26" (1/1) ... [2023-11-19 08:06:27,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:26" (1/1) ... [2023-11-19 08:06:27,170 INFO L138 Inliner]: procedures = 264, calls = 1420, calls flagged for inlining = 130, calls inlined = 125, statements flattened = 4232 [2023-11-19 08:06:27,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:27,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:06:27,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:06:27,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:06:27,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:26" (1/1) ... [2023-11-19 08:06:27,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:26" (1/1) ... [2023-11-19 08:06:27,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:26" (1/1) ... [2023-11-19 08:06:27,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:26" (1/1) ... [2023-11-19 08:06:27,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:26" (1/1) ... [2023-11-19 08:06:27,395 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:26" (1/1) ... [2023-11-19 08:06:27,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:26" (1/1) ... [2023-11-19 08:06:27,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:26" (1/1) ... [2023-11-19 08:06:27,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:06:27,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:06:27,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:06:27,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:06:27,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:26" (1/1) ... [2023-11-19 08:06:27,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:27,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc752419-17b5-4a65-987e-1eaf6e86a48d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:06:27,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc752419-17b5-4a65-987e-1eaf6e86a48d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:06:27,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc752419-17b5-4a65-987e-1eaf6e86a48d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:06:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2023-11-19 08:06:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2023-11-19 08:06:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2023-11-19 08:06:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2023-11-19 08:06:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 08:06:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 08:06:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 08:06:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 08:06:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 08:06:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 08:06:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2023-11-19 08:06:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2023-11-19 08:06:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 08:06:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 08:06:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2023-11-19 08:06:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2023-11-19 08:06:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 08:06:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 08:06:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:06:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:06:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-19 08:06:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-19 08:06:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-19 08:06:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-19 08:06:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 08:06:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 08:06:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:06:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:06:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 08:06:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 08:06:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-11-19 08:06:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-11-19 08:06:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-19 08:06:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-19 08:06:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-19 08:06:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-19 08:06:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 08:06:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 08:06:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 08:06:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 08:06:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:06:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:06:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 08:06:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 08:06:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 08:06:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 08:06:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-19 08:06:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-19 08:06:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 08:06:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 08:06:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2023-11-19 08:06:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2023-11-19 08:06:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2023-11-19 08:06:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2023-11-19 08:06:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-19 08:06:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-19 08:06:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:06:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure queue_refill [2023-11-19 08:06:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_refill [2023-11-19 08:06:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-19 08:06:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-19 08:06:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:06:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 08:06:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 08:06:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 08:06:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 08:06:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 08:06:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 08:06:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 08:06:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 08:06:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 08:06:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 08:06:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 08:06:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 08:06:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:06:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 08:06:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 08:06:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:06:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 08:06:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 08:06:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-19 08:06:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-19 08:06:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-19 08:06:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-19 08:06:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 08:06:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 08:06:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 08:06:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 08:06:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_stats [2023-11-19 08:06:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_stats [2023-11-19 08:06:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 08:06:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 08:06:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2023-11-19 08:06:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2023-11-19 08:06:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 08:06:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 08:06:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 08:06:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 08:06:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 08:06:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 08:06:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 08:06:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 08:06:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2023-11-19 08:06:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2023-11-19 08:06:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:06:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 08:06:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 08:06:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 08:06:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 08:06:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2023-11-19 08:06:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2023-11-19 08:06:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 08:06:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 08:06:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2023-11-19 08:06:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2023-11-19 08:06:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-19 08:06:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-19 08:06:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 08:06:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 08:06:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:06:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 08:06:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 08:06:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 08:06:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 08:06:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_change_mtu [2023-11-19 08:06:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_change_mtu [2023-11-19 08:06:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 08:06:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 08:06:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:06:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:06:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 08:06:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 08:06:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2023-11-19 08:06:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2023-11-19 08:06:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:06:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:06:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:06:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2023-11-19 08:06:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2023-11-19 08:06:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2023-11-19 08:06:27,590 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2023-11-19 08:06:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 08:06:27,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 08:06:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-11-19 08:06:27,591 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-11-19 08:06:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 08:06:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 08:06:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 08:06:27,598 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 08:06:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 08:06:27,599 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 08:06:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 08:06:27,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 08:06:27,600 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2023-11-19 08:06:27,600 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2023-11-19 08:06:27,600 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-19 08:06:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-19 08:06:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2023-11-19 08:06:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2023-11-19 08:06:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2023-11-19 08:06:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2023-11-19 08:06:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2023-11-19 08:06:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2023-11-19 08:06:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 08:06:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 08:06:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-19 08:06:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-19 08:06:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 08:06:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 08:06:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 08:06:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 08:06:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:06:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2023-11-19 08:06:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2023-11-19 08:06:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:06:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:06:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2023-11-19 08:06:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2023-11-19 08:06:28,388 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:06:28,393 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:06:29,448 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:06:32,216 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:06:32,251 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:06:32,251 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:06:32,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:32 BoogieIcfgContainer [2023-11-19 08:06:32,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:06:32,270 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:06:32,270 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:06:32,274 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:06:32,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:06:23" (1/3) ... [2023-11-19 08:06:32,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11051f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:32, skipping insertion in model container [2023-11-19 08:06:32,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:26" (2/3) ... [2023-11-19 08:06:32,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11051f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:32, skipping insertion in model container [2023-11-19 08:06:32,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:32" (3/3) ... [2023-11-19 08:06:32,278 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2023-11-19 08:06:32,300 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:06:32,301 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:06:32,440 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:06:32,450 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;@57610064, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:06:32,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:06:32,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 1795 states, 1298 states have (on average 1.3898305084745763) internal successors, (1804), 1337 states have internal predecessors, (1804), 413 states have call successors, (413), 83 states have call predecessors, (413), 82 states have return successors, (405), 401 states have call predecessors, (405), 405 states have call successors, (405) [2023-11-19 08:06:32,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-19 08:06:32,494 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:32,498 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-19 08:06:32,499 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:32,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:32,508 INFO L85 PathProgramCache]: Analyzing trace with hash 68441791, now seen corresponding path program 1 times [2023-11-19 08:06:32,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:32,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754441080] [2023-11-19 08:06:32,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:32,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:06:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:06:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:06:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:06:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:06:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 08:06:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 08:06:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-19 08:06:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:33,793 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 08:06:33,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:06:33,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754441080] [2023-11-19 08:06:33,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754441080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:06:33,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:06:33,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:06:33,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678978591] [2023-11-19 08:06:33,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:06:33,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:06:33,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:06:33,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:06:33,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:06:33,853 INFO L87 Difference]: Start difference. First operand has 1795 states, 1298 states have (on average 1.3898305084745763) internal successors, (1804), 1337 states have internal predecessors, (1804), 413 states have call successors, (413), 83 states have call predecessors, (413), 82 states have return successors, (405), 401 states have call predecessors, (405), 405 states have call successors, (405) 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, (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) [2023-11-19 08:06:39,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:39,492 INFO L93 Difference]: Finished difference Result 3679 states and 5428 transitions. [2023-11-19 08:06:39,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:06:39,495 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, (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 111 [2023-11-19 08:06:39,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:39,531 INFO L225 Difference]: With dead ends: 3679 [2023-11-19 08:06:39,531 INFO L226 Difference]: Without dead ends: 1866 [2023-11-19 08:06:39,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:06:39,553 INFO L413 NwaCegarLoop]: 1975 mSDtfsCounter, 3131 mSDsluCounter, 3318 mSDsCounter, 0 mSdLazyCounter, 2352 mSolverCounterSat, 1202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3443 SdHoareTripleChecker+Valid, 5293 SdHoareTripleChecker+Invalid, 3554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1202 IncrementalHoareTripleChecker+Valid, 2352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:06:39,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3443 Valid, 5293 Invalid, 3554 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1202 Valid, 2352 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-19 08:06:39,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2023-11-19 08:06:39,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1745. [2023-11-19 08:06:39,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1265 states have (on average 1.3438735177865613) internal successors, (1700), 1293 states have internal predecessors, (1700), 399 states have call successors, (399), 81 states have call predecessors, (399), 80 states have return successors, (398), 394 states have call predecessors, (398), 398 states have call successors, (398) [2023-11-19 08:06:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2497 transitions. [2023-11-19 08:06:39,832 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2497 transitions. Word has length 111 [2023-11-19 08:06:39,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:39,835 INFO L495 AbstractCegarLoop]: Abstraction has 1745 states and 2497 transitions. [2023-11-19 08:06:39,836 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, (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) [2023-11-19 08:06:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2497 transitions. [2023-11-19 08:06:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-19 08:06:39,854 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:39,856 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:39,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:06:39,857 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:39,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:39,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1784832194, now seen corresponding path program 1 times [2023-11-19 08:06:39,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:39,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738216221] [2023-11-19 08:06:39,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:39,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:06:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:06:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:06:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:06:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:06:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 08:06:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 08:06:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-19 08:06:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 08:06:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-19 08:06:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 08:06:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 08:06:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-19 08:06:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:40,465 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 08:06:40,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:06:40,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738216221] [2023-11-19 08:06:40,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738216221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:06:40,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:06:40,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:06:40,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274464047] [2023-11-19 08:06:40,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:06:40,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:06:40,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:06:40,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:06:40,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:06:40,470 INFO L87 Difference]: Start difference. First operand 1745 states and 2497 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 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) [2023-11-19 08:06:47,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:47,666 INFO L93 Difference]: Finished difference Result 5047 states and 7234 transitions. [2023-11-19 08:06:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:06:47,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 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 143 [2023-11-19 08:06:47,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:47,702 INFO L225 Difference]: With dead ends: 5047 [2023-11-19 08:06:47,702 INFO L226 Difference]: Without dead ends: 3317 [2023-11-19 08:06:47,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:06:47,716 INFO L413 NwaCegarLoop]: 1947 mSDtfsCounter, 3279 mSDsluCounter, 4833 mSDsCounter, 0 mSdLazyCounter, 3319 mSolverCounterSat, 1885 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3518 SdHoareTripleChecker+Valid, 6780 SdHoareTripleChecker+Invalid, 5204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1885 IncrementalHoareTripleChecker+Valid, 3319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-19 08:06:47,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3518 Valid, 6780 Invalid, 5204 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1885 Valid, 3319 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-11-19 08:06:47,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3317 states. [2023-11-19 08:06:47,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3317 to 3074. [2023-11-19 08:06:47,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3074 states, 2235 states have (on average 1.3427293064876957) internal successors, (3001), 2286 states have internal predecessors, (3001), 688 states have call successors, (688), 151 states have call predecessors, (688), 150 states have return successors, (687), 679 states have call predecessors, (687), 687 states have call successors, (687) [2023-11-19 08:06:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 3074 states and 4376 transitions. [2023-11-19 08:06:48,008 INFO L78 Accepts]: Start accepts. Automaton has 3074 states and 4376 transitions. Word has length 143 [2023-11-19 08:06:48,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:48,009 INFO L495 AbstractCegarLoop]: Abstraction has 3074 states and 4376 transitions. [2023-11-19 08:06:48,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 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) [2023-11-19 08:06:48,010 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 4376 transitions. [2023-11-19 08:06:48,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-19 08:06:48,015 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:48,015 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2023-11-19 08:06:48,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:06:48,016 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:48,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:48,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1830361733, now seen corresponding path program 1 times [2023-11-19 08:06:48,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:48,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576031719] [2023-11-19 08:06:48,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:48,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:06:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:06:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:06:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:06:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:06:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 08:06:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-19 08:06:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-19 08:06:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-19 08:06:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-19 08:06:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 08:06:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 08:06:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:48,553 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-19 08:06:48,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:06:48,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576031719] [2023-11-19 08:06:48,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576031719] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:06:48,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:06:48,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:06:48,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921037202] [2023-11-19 08:06:48,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:06:48,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:06:48,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:06:48,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:06:48,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:06:48,559 INFO L87 Difference]: Start difference. First operand 3074 states and 4376 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 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) [2023-11-19 08:06:52,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:52,673 INFO L93 Difference]: Finished difference Result 6081 states and 8628 transitions. [2023-11-19 08:06:52,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:06:52,674 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 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 138 [2023-11-19 08:06:52,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:52,697 INFO L225 Difference]: With dead ends: 6081 [2023-11-19 08:06:52,698 INFO L226 Difference]: Without dead ends: 3026 [2023-11-19 08:06:52,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:06:52,720 INFO L413 NwaCegarLoop]: 1738 mSDtfsCounter, 2880 mSDsluCounter, 2027 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 1117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3160 SdHoareTripleChecker+Valid, 3765 SdHoareTripleChecker+Invalid, 2717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1117 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-19 08:06:52,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3160 Valid, 3765 Invalid, 2717 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1117 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-19 08:06:52,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3026 states. [2023-11-19 08:06:52,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3026 to 2790. [2023-11-19 08:06:52,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 2033 states have (on average 1.326610919822922) internal successors, (2697), 2072 states have internal predecessors, (2697), 610 states have call successors, (610), 147 states have call predecessors, (610), 146 states have return successors, (609), 601 states have call predecessors, (609), 609 states have call successors, (609) [2023-11-19 08:06:52,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3916 transitions. [2023-11-19 08:06:52,972 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3916 transitions. Word has length 138 [2023-11-19 08:06:52,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:52,973 INFO L495 AbstractCegarLoop]: Abstraction has 2790 states and 3916 transitions. [2023-11-19 08:06:52,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 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) [2023-11-19 08:06:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3916 transitions. [2023-11-19 08:06:52,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-19 08:06:52,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:52,982 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:52,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:06:52,982 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:52,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:52,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1838929020, now seen corresponding path program 1 times [2023-11-19 08:06:52,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:52,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450079966] [2023-11-19 08:06:52,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:52,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:06:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:06:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:06:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:06:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:06:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 08:06:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 08:06:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 08:06:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-19 08:06:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:06:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-19 08:06:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 08:06:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-19 08:06:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-19 08:06:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-19 08:06:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-19 08:06:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:06:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-19 08:06:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-19 08:06:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-19 08:06:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:53,578 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-11-19 08:06:53,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:06:53,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450079966] [2023-11-19 08:06:53,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450079966] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:06:53,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:06:53,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 08:06:53,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153754094] [2023-11-19 08:06:53,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:06:53,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:06:53,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:06:53,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:06:53,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:06:53,582 INFO L87 Difference]: Start difference. First operand 2790 states and 3916 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 3 states have internal predecessors, (83), 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) [2023-11-19 08:06:58,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:58,317 INFO L93 Difference]: Finished difference Result 5189 states and 7320 transitions. [2023-11-19 08:06:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:06:58,318 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 3 states have internal predecessors, (83), 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) Word has length 212 [2023-11-19 08:06:58,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:58,336 INFO L225 Difference]: With dead ends: 5189 [2023-11-19 08:06:58,336 INFO L226 Difference]: Without dead ends: 2418 [2023-11-19 08:06:58,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2023-11-19 08:06:58,346 INFO L413 NwaCegarLoop]: 1217 mSDtfsCounter, 3260 mSDsluCounter, 2110 mSDsCounter, 0 mSdLazyCounter, 2577 mSolverCounterSat, 1669 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3484 SdHoareTripleChecker+Valid, 3327 SdHoareTripleChecker+Invalid, 4246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1669 IncrementalHoareTripleChecker+Valid, 2577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:06:58,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3484 Valid, 3327 Invalid, 4246 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1669 Valid, 2577 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-19 08:06:58,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2418 states. [2023-11-19 08:06:58,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 2276. [2023-11-19 08:06:58,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2276 states, 1665 states have (on average 1.3285285285285284) internal successors, (2212), 1690 states have internal predecessors, (2212), 498 states have call successors, (498), 113 states have call predecessors, (498), 112 states have return successors, (497), 489 states have call predecessors, (497), 497 states have call successors, (497) [2023-11-19 08:06:58,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 2276 states and 3207 transitions. [2023-11-19 08:06:58,503 INFO L78 Accepts]: Start accepts. Automaton has 2276 states and 3207 transitions. Word has length 212 [2023-11-19 08:06:58,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:58,504 INFO L495 AbstractCegarLoop]: Abstraction has 2276 states and 3207 transitions. [2023-11-19 08:06:58,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 3 states have internal predecessors, (83), 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) [2023-11-19 08:06:58,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 3207 transitions. [2023-11-19 08:06:58,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-11-19 08:06:58,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:58,513 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:58,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:06:58,514 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:58,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:58,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1760982144, now seen corresponding path program 1 times [2023-11-19 08:06:58,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:58,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073018817] [2023-11-19 08:06:58,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:58,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:06:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:06:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:06:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:06:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:06:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 08:06:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-19 08:06:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-19 08:06:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 08:06:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-19 08:06:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-19 08:06:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:06:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-19 08:06:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-19 08:06:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-19 08:06:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-19 08:06:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-19 08:06:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-19 08:06:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-19 08:06:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:59,405 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2023-11-19 08:06:59,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:06:59,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073018817] [2023-11-19 08:06:59,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073018817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:06:59,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:06:59,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:06:59,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008576498] [2023-11-19 08:06:59,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:06:59,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:06:59,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:06:59,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:06:59,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:06:59,409 INFO L87 Difference]: Start difference. First operand 2276 states and 3207 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)