./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--natsemi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a20db0-ff7b-47f2-9d68-ea112e46db26/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a20db0-ff7b-47f2-9d68-ea112e46db26/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_10a20db0-ff7b-47f2-9d68-ea112e46db26/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a20db0-ff7b-47f2-9d68-ea112e46db26/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--natsemi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a20db0-ff7b-47f2-9d68-ea112e46db26/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_10a20db0-ff7b-47f2-9d68-ea112e46db26/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 2528ab0154bfd45dbc6e33de3a31029199c439afce343ebf61a330fa9c381cd3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:36:58,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:36:58,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a20db0-ff7b-47f2-9d68-ea112e46db26/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:36:58,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:36:58,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:36:58,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:36:58,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:36:58,364 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:36:58,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:36:58,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:36:58,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:36:58,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:36:58,373 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:36:58,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:36:58,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:36:58,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:36:58,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:36:58,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:36:58,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:36:58,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:36:58,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:36:58,379 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:36:58,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:36:58,380 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:36:58,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:36:58,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:58,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:36:58,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:36:58,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:36:58,383 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:36:58,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:36:58,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:36:58,385 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:36:58,386 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:36:58,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:36:58,386 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:36:58,387 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_10a20db0-ff7b-47f2-9d68-ea112e46db26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a20db0-ff7b-47f2-9d68-ea112e46db26/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2528ab0154bfd45dbc6e33de3a31029199c439afce343ebf61a330fa9c381cd3 [2023-11-19 07:36:58,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:36:58,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:36:58,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:36:58,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:36:58,822 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:36:58,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a20db0-ff7b-47f2-9d68-ea112e46db26/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--natsemi.ko-entry_point.cil.out.i [2023-11-19 07:37:02,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:37:02,982 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:37:02,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a20db0-ff7b-47f2-9d68-ea112e46db26/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--natsemi.ko-entry_point.cil.out.i [2023-11-19 07:37:03,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a20db0-ff7b-47f2-9d68-ea112e46db26/bin/uautomizer-verify-uCwYo4JHxu/data/280f05c38/4c0ff2b3e98f4b119b922f3d0256fbef/FLAG15ed3fa43 [2023-11-19 07:37:03,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a20db0-ff7b-47f2-9d68-ea112e46db26/bin/uautomizer-verify-uCwYo4JHxu/data/280f05c38/4c0ff2b3e98f4b119b922f3d0256fbef [2023-11-19 07:37:03,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:37:03,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:37:03,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:03,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:37:03,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:37:03,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:03" (1/1) ... [2023-11-19 07:37:03,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59aea2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:03, skipping insertion in model container [2023-11-19 07:37:03,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:03" (1/1) ... [2023-11-19 07:37:03,251 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:37:06,285 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_10a20db0-ff7b-47f2-9d68-ea112e46db26/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--natsemi.ko-entry_point.cil.out.i[313663,313676] [2023-11-19 07:37:06,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:06,474 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:37:06,604 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"); [5569] [2023-11-19 07:37:06,606 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)); [5576] [2023-11-19 07:37:06,607 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"); [5584-5585] [2023-11-19 07:37:06,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5763] [2023-11-19 07:37:06,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5771] [2023-11-19 07:37:06,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5778] [2023-11-19 07:37:06,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5785] [2023-11-19 07:37:06,629 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)); [5982-5983] [2023-11-19 07:37:06,632 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)); [6011-6012] [2023-11-19 07:37:06,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [6041-6042] [2023-11-19 07:37:06,637 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" (120), "i" (12UL)); [6071-6072] [2023-11-19 07:37:06,648 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/linux/netdevice.h"), "i" (507), "i" (12UL)); [6302-6303] [2023-11-19 07:37:06,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6308] [2023-11-19 07:37:06,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8322] [2023-11-19 07:37:06,813 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)(& np->rx_skbuff) + ((unsigned long )np->cur_rx & 31UL)) [8447] [2023-11-19 07:37:06,888 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/10705/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/natsemi/natsemi.c"), "i" (3315), "i" (12UL)); [9740-9741] [2023-11-19 07:37:06,919 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_10a20db0-ff7b-47f2-9d68-ea112e46db26/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--natsemi.ko-entry_point.cil.out.i[313663,313676] [2023-11-19 07:37:06,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:07,231 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:37:07,232 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:37:07,241 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:37:07,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:07 WrapperNode [2023-11-19 07:37:07,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:07,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:07,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:37:07,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:37:07,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:07" (1/1) ... [2023-11-19 07:37:07,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:07" (1/1) ... [2023-11-19 07:37:07,651 INFO L138 Inliner]: procedures = 323, calls = 2266, calls flagged for inlining = 156, calls inlined = 136, statements flattened = 5694 [2023-11-19 07:37:07,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:07,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:37:07,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:37:07,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:37:07,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:07" (1/1) ... [2023-11-19 07:37:07,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:07" (1/1) ... [2023-11-19 07:37:07,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:07" (1/1) ... [2023-11-19 07:37:07,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:07" (1/1) ... [2023-11-19 07:37:07,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:07" (1/1) ... [2023-11-19 07:37:07,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:07" (1/1) ... [2023-11-19 07:37:07,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:07" (1/1) ... [2023-11-19 07:37:07,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:07" (1/1) ... [2023-11-19 07:37:08,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:37:08,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:37:08,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:37:08,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:37:08,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:07" (1/1) ... [2023-11-19 07:37:08,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:37:08,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a20db0-ff7b-47f2-9d68-ea112e46db26/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:37:08,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a20db0-ff7b-47f2-9d68-ea112e46db26/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:37:08,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a20db0-ff7b-47f2-9d68-ea112e46db26/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:37:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure drain_rx [2023-11-19 07:37:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_rx [2023-11-19 07:37:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 07:37:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-19 07:37:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-19 07:37:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2023-11-19 07:37:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2023-11-19 07:37:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:37:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_write [2023-11-19 07:37:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_write [2023-11-19 07:37:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:37:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 07:37:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 07:37:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:37:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:37:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_external [2023-11-19 07:37:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_external [2023-11-19 07:37:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:37:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:37:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 07:37:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 07:37:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_done [2023-11-19 07:37:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_done [2023-11-19 07:37:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:37:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:37:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 07:37:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 07:37:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:37:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:37:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2023-11-19 07:37:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2023-11-19 07:37:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:37:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:37:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_rx [2023-11-19 07:37:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_rx [2023-11-19 07:37:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-19 07:37:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-19 07:37:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-19 07:37:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-19 07:37:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 07:37:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 07:37:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:37:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:37:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_ring [2023-11-19 07:37:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_ring [2023-11-19 07:37:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 07:37:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 07:37:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 07:37:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 07:37:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-19 07:37:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-19 07:37:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:37:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:37:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-19 07:37:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-19 07:37:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:37:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:37:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_change_mtu [2023-11-19 07:37:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_change_mtu [2023-11-19 07:37:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:37:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:37:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:37:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:37:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2023-11-19 07:37:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2023-11-19 07:37:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:37:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:37:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 07:37:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 07:37:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 07:37:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 07:37:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-19 07:37:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-19 07:37:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:37:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:37:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_internal [2023-11-19 07:37:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_internal [2023-11-19 07:37:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 07:37:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 07:37:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-19 07:37:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-19 07:37:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure dump_ring [2023-11-19 07:37:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_ring [2023-11-19 07:37:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:37:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 07:37:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 07:37:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 07:37:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 07:37:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 07:37:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 07:37:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:37:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:37:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:37:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:37:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2023-11-19 07:37:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2023-11-19 07:37:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 07:37:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 07:37:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-19 07:37:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-19 07:37:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:37:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 07:37:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 07:37:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-19 07:37:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-19 07:37:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:37:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:37:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:37:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2023-11-19 07:37:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2023-11-19 07:37:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2023-11-19 07:37:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2023-11-19 07:37:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:37:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:37:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:37:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:37:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:37:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:37:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_stop_rxtx [2023-11-19 07:37:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_stop_rxtx [2023-11-19 07:37:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure __get_stats [2023-11-19 07:37:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_stats [2023-11-19 07:37:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure ns_tx_timeout [2023-11-19 07:37:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_tx_timeout [2023-11-19 07:37:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2023-11-19 07:37:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2023-11-19 07:37:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:37:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 07:37:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 07:37:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:37:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:37:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_reset [2023-11-19 07:37:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_reset [2023-11-19 07:37:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:37:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-11-19 07:37:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-11-19 07:37:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure drain_ring [2023-11-19 07:37:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_ring [2023-11-19 07:37:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:37:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-19 07:37:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-19 07:37:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:37:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:37:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:37:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:37:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 07:37:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 07:37:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure move_int_phy [2023-11-19 07:37:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure move_int_phy [2023-11-19 07:37:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_ioctl [2023-11-19 07:37:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_ioctl [2023-11-19 07:37:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:37:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:37:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:37:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:37:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure enable_wol_mode [2023-11-19 07:37:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_wol_mode [2023-11-19 07:37:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_resume [2023-11-19 07:37:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_resume [2023-11-19 07:37:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_remove1 [2023-11-19 07:37:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_remove1 [2023-11-19 07:37:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:37:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2023-11-19 07:37:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2023-11-19 07:37:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 07:37:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 07:37:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2023-11-19 07:37:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2023-11-19 07:37:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 07:37:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 07:37:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-19 07:37:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-19 07:37:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:37:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:37:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:37:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:37:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_disable [2023-11-19 07:37:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_disable [2023-11-19 07:37:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-19 07:37:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-19 07:37:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:37:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2023-11-19 07:37:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2023-11-19 07:37:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:37:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:37:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2023-11-19 07:37:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2023-11-19 07:37:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:37:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2023-11-19 07:37:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2023-11-19 07:37:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-19 07:37:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-19 07:37:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:37:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:37:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:37:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:37:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:37:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-19 07:37:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-19 07:37:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 07:37:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 07:37:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-19 07:37:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-19 07:37:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioaddr [2023-11-19 07:37:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioaddr [2023-11-19 07:37:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2023-11-19 07:37:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2023-11-19 07:37:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 07:37:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 07:37:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2023-11-19 07:37:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2023-11-19 07:37:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2023-11-19 07:37:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2023-11-19 07:37:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_poll_controller [2023-11-19 07:37:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_poll_controller [2023-11-19 07:37:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure check_link [2023-11-19 07:37:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link [2023-11-19 07:37:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-19 07:37:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-19 07:37:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-19 07:37:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-19 07:37:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-19 07:37:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-19 07:37:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure drain_tx [2023-11-19 07:37:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_tx [2023-11-19 07:37:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_enable [2023-11-19 07:37:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_enable [2023-11-19 07:37:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:37:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:37:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 07:37:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 07:37:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 07:37:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 07:37:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure init_phy_fixup [2023-11-19 07:37:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure init_phy_fixup [2023-11-19 07:37:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:37:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_read [2023-11-19 07:37:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_read [2023-11-19 07:37:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-19 07:37:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-19 07:37:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-19 07:37:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-19 07:37:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-19 07:37:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-19 07:37:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_result [2023-11-19 07:37:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_result [2023-11-19 07:37:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:37:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:37:09,171 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:37:09,176 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:37:09,678 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:37:15,177 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:37:15,218 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:37:15,218 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:37:15,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:15 BoogieIcfgContainer [2023-11-19 07:37:15,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:37:15,241 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:37:15,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:37:15,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:37:15,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:37:03" (1/3) ... [2023-11-19 07:37:15,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9b9c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:15, skipping insertion in model container [2023-11-19 07:37:15,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:07" (2/3) ... [2023-11-19 07:37:15,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9b9c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:15, skipping insertion in model container [2023-11-19 07:37:15,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:15" (3/3) ... [2023-11-19 07:37:15,251 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--natsemi.ko-entry_point.cil.out.i [2023-11-19 07:37:15,274 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:37:15,274 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:37:15,407 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:37:15,414 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;@60f715c6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:37:15,414 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:37:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 2727 states, 1916 states have (on average 1.4305845511482256) internal successors, (2741), 1950 states have internal predecessors, (2741), 695 states have call successors, (695), 115 states have call predecessors, (695), 114 states have return successors, (687), 682 states have call predecessors, (687), 687 states have call successors, (687) [2023-11-19 07:37:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2023-11-19 07:37:15,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:37:15,471 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:37:15,471 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:37:15,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:15,477 INFO L85 PathProgramCache]: Analyzing trace with hash 303718129, now seen corresponding path program 1 times [2023-11-19 07:37:15,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:37:15,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308304745] [2023-11-19 07:37:15,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:15,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:37:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:37:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:37:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:37:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:37:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:37:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:37:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:37:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:37:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 07:37:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:37:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-19 07:37:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-19 07:37:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-19 07:37:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-19 07:37:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-19 07:37:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-19 07:37:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-19 07:37:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,336 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2023-11-19 07:37:17,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:37:17,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308304745] [2023-11-19 07:37:17,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308304745] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:37:17,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:37:17,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:37:17,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511239947] [2023-11-19 07:37:17,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:37:17,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:37:17,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:37:17,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:37:17,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:37:17,406 INFO L87 Difference]: Start difference. First operand has 2727 states, 1916 states have (on average 1.4305845511482256) internal successors, (2741), 1950 states have internal predecessors, (2741), 695 states have call successors, (695), 115 states have call predecessors, (695), 114 states have return successors, (687), 682 states have call predecessors, (687), 687 states have call successors, (687) Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 07:37:24,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:37:24,821 INFO L93 Difference]: Finished difference Result 5724 states and 8826 transitions. [2023-11-19 07:37:24,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:37:24,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 257 [2023-11-19 07:37:24,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:37:24,867 INFO L225 Difference]: With dead ends: 5724 [2023-11-19 07:37:24,867 INFO L226 Difference]: Without dead ends: 2979 [2023-11-19 07:37:24,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:37:24,890 INFO L413 NwaCegarLoop]: 2734 mSDtfsCounter, 2012 mSDsluCounter, 3304 mSDsCounter, 0 mSdLazyCounter, 3036 mSolverCounterSat, 1958 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2044 SdHoareTripleChecker+Valid, 6038 SdHoareTripleChecker+Invalid, 4994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1958 IncrementalHoareTripleChecker+Valid, 3036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:37:24,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2044 Valid, 6038 Invalid, 4994 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1958 Valid, 3036 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-11-19 07:37:24,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2023-11-19 07:37:25,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 2704. [2023-11-19 07:37:25,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 1903 states have (on average 1.3993694167104571) internal successors, (2663), 1927 states have internal predecessors, (2663), 687 states have call successors, (687), 114 states have call predecessors, (687), 113 states have return successors, (686), 681 states have call predecessors, (686), 686 states have call successors, (686) [2023-11-19 07:37:25,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 4036 transitions. [2023-11-19 07:37:25,257 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 4036 transitions. Word has length 257 [2023-11-19 07:37:25,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:37:25,258 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 4036 transitions. [2023-11-19 07:37:25,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 07:37:25,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 4036 transitions. [2023-11-19 07:37:25,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2023-11-19 07:37:25,269 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:37:25,270 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:37:25,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:37:25,270 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:37:25,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:25,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1106719899, now seen corresponding path program 1 times [2023-11-19 07:37:25,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:37:25,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936753787] [2023-11-19 07:37:25,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:25,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:37:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:25,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:37:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:25,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:25,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:25,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:37:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:25,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:25,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:37:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:25,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:37:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:37:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:37:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:37:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:37:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 07:37:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:37:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-19 07:37:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-19 07:37:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-19 07:37:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-19 07:37:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-19 07:37:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-19 07:37:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-19 07:37:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2023-11-19 07:37:26,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:37:26,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936753787] [2023-11-19 07:37:26,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936753787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:37:26,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:37:26,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:37:26,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028541675] [2023-11-19 07:37:26,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:37:26,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:37:26,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:37:26,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:37:26,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:37:26,438 INFO L87 Difference]: Start difference. First operand 2704 states and 4036 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 07:37:38,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:37:38,393 INFO L93 Difference]: Finished difference Result 8038 states and 12054 transitions. [2023-11-19 07:37:38,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:37:38,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 257 [2023-11-19 07:37:38,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:37:38,451 INFO L225 Difference]: With dead ends: 8038 [2023-11-19 07:37:38,452 INFO L226 Difference]: Without dead ends: 5374 [2023-11-19 07:37:38,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 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 07:37:38,472 INFO L413 NwaCegarLoop]: 2790 mSDtfsCounter, 6646 mSDsluCounter, 5297 mSDsCounter, 0 mSdLazyCounter, 5322 mSolverCounterSat, 4121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7006 SdHoareTripleChecker+Valid, 8087 SdHoareTripleChecker+Invalid, 9443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4121 IncrementalHoareTripleChecker+Valid, 5322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:37:38,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7006 Valid, 8087 Invalid, 9443 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4121 Valid, 5322 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2023-11-19 07:37:38,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5374 states. [2023-11-19 07:37:38,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5374 to 4824. [2023-11-19 07:37:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4824 states, 3340 states have (on average 1.3868263473053892) internal successors, (4632), 3387 states have internal predecessors, (4632), 1261 states have call successors, (1261), 223 states have call predecessors, (1261), 222 states have return successors, (1260), 1251 states have call predecessors, (1260), 1260 states have call successors, (1260) [2023-11-19 07:37:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4824 states to 4824 states and 7153 transitions. [2023-11-19 07:37:38,812 INFO L78 Accepts]: Start accepts. Automaton has 4824 states and 7153 transitions. Word has length 257 [2023-11-19 07:37:38,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:37:38,814 INFO L495 AbstractCegarLoop]: Abstraction has 4824 states and 7153 transitions. [2023-11-19 07:37:38,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 07:37:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand 4824 states and 7153 transitions. [2023-11-19 07:37:38,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2023-11-19 07:37:38,830 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:37:38,830 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:37:38,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:37:38,832 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:37:38,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:38,832 INFO L85 PathProgramCache]: Analyzing trace with hash -211974835, now seen corresponding path program 1 times [2023-11-19 07:37:38,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:37:38,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885709115] [2023-11-19 07:37:38,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:38,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:37:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:37:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:37:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:37:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:37:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:37:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:37:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:37:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:39,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:37:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 07:37:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:37:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-19 07:37:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-19 07:37:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-19 07:37:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-19 07:37:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-19 07:37:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-19 07:37:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-19 07:37:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-19 07:37:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-11-19 07:37:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-11-19 07:37:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-11-19 07:37:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-11-19 07:37:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-19 07:37:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:40,427 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2023-11-19 07:37:40,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:37:40,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885709115] [2023-11-19 07:37:40,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885709115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:37:40,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:37:40,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:37:40,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296059431] [2023-11-19 07:37:40,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:37:40,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:37:40,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:37:40,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:37:40,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:37:40,431 INFO L87 Difference]: Start difference. First operand 4824 states and 7153 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31)