./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0705c7c1097399903dd015d79fa2944ad89b2d381aed5d9e2539b97c330aa424 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:57:30,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:57:30,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 04:57:30,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:57:30,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:57:30,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:57:30,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:57:30,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:57:30,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:57:30,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:57:30,938 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:57:30,938 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:57:30,939 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:57:30,939 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:57:30,939 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:57:30,939 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:57:30,939 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:57:30,939 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:57:30,940 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:57:30,940 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:57:30,940 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:57:30,940 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:57:30,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:57:30,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:57:30,945 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:57:30,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:57:30,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:57:30,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:57:30,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:57:30,947 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:57:30,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:57:30,948 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:57:30,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:57:30,948 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:57:30,949 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:57:30,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:57:30,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:57:30,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:57:30,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:57:30,951 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:57:30,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:57:30,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:57:30,952 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:57:30,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:57:30,952 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 0705c7c1097399903dd015d79fa2944ad89b2d381aed5d9e2539b97c330aa424 [2024-11-14 04:57:31,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:57:31,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:57:31,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:57:31,503 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:57:31,503 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:57:31,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i Unable to find full path for "g++" [2024-11-14 04:57:34,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:57:35,523 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:57:35,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2024-11-14 04:57:35,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/data/4c576d0d6/f9322f9d431e4185ace7b4c1fb97d460/FLAG5874d4580 [2024-11-14 04:57:35,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/data/4c576d0d6/f9322f9d431e4185ace7b4c1fb97d460 [2024-11-14 04:57:35,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:57:35,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:57:35,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:57:35,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:57:35,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:57:35,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:57:35" (1/1) ... [2024-11-14 04:57:35,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c1ad49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:35, skipping insertion in model container [2024-11-14 04:57:35,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:57:35" (1/1) ... [2024-11-14 04:57:35,908 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:57:40,166 WARN L250 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_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[351362,351375] [2024-11-14 04:57:40,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:57:40,333 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:57:40,576 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"); [5239] [2024-11-14 04:57:40,579 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)); [5246] [2024-11-14 04:57:40,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5253] [2024-11-14 04:57:40,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5385] [2024-11-14 04:57:40,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5393] [2024-11-14 04:57:40,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5400] [2024-11-14 04:57:40,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5407] [2024-11-14 04:57:40,613 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" (502), "i" (12UL)); [5592-5593] [2024-11-14 04:57:40,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5599] [2024-11-14 04:57:40,636 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (164), "i" (12UL)); [5984-5985] [2024-11-14 04:57:40,642 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (180), "i" (12UL)); [6013-6014] [2024-11-14 04:57:40,694 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (210), "i" (12UL)); [6055-6056] [2024-11-14 04:57:40,697 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (229), "i" (12UL)); [6082-6083] [2024-11-14 04:57:40,711 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (269), "i" (12UL)); [6163-6164] [2024-11-14 04:57:40,715 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (303), "i" (12UL)); [6235-6236] [2024-11-14 04:57:40,720 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (335), "i" (12UL)); [6308-6309] [2024-11-14 04:57:40,724 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (369), "i" (12UL)); [6381-6382] [2024-11-14 04:57:40,788 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (811), "i" (12UL)); [7051-7052] [2024-11-14 04:57:40,789 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (812), "i" (12UL)); [7063-7064] [2024-11-14 04:57:40,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8170] [2024-11-14 04:57:40,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8473] [2024-11-14 04:57:41,087 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2273), "i" (12UL)); [9243-9244] [2024-11-14 04:57:41,092 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2275), "i" (12UL)); [9257-9258] [2024-11-14 04:57:41,096 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2276), "i" (12UL)); [9269-9270] [2024-11-14 04:57:41,097 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2277), "i" (12UL)); [9281-9282] [2024-11-14 04:57:41,420 WARN L250 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_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[351362,351375] [2024-11-14 04:57:41,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:57:41,932 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:57:41,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:41 WrapperNode [2024-11-14 04:57:41,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:57:41,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:57:41,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:57:41,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:57:41,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:41" (1/1) ... [2024-11-14 04:57:42,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:41" (1/1) ... [2024-11-14 04:57:42,671 INFO L138 Inliner]: procedures = 415, calls = 1913, calls flagged for inlining = 249, calls inlined = 236, statements flattened = 6461 [2024-11-14 04:57:42,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:57:42,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:57:42,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:57:42,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:57:42,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:41" (1/1) ... [2024-11-14 04:57:42,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:41" (1/1) ... [2024-11-14 04:57:42,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:41" (1/1) ... [2024-11-14 04:57:42,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:41" (1/1) ... [2024-11-14 04:57:43,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:41" (1/1) ... [2024-11-14 04:57:43,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:41" (1/1) ... [2024-11-14 04:57:43,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:41" (1/1) ... [2024-11-14 04:57:43,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:41" (1/1) ... [2024-11-14 04:57:43,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:57:43,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:57:43,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:57:43,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:57:43,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:41" (1/1) ... [2024-11-14 04:57:43,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:57:43,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:57:43,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:57:43,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:57:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 04:57:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 04:57:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 04:57:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 04:57:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-14 04:57:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-14 04:57:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-14 04:57:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-14 04:57:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2024-11-14 04:57:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2024-11-14 04:57:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2024-11-14 04:57:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2024-11-14 04:57:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-14 04:57:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-14 04:57:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-14 04:57:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-14 04:57:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2024-11-14 04:57:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2024-11-14 04:57:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2024-11-14 04:57:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2024-11-14 04:57:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-14 04:57:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-14 04:57:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-14 04:57:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-14 04:57:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-14 04:57:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-14 04:57:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-14 04:57:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-14 04:57:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-14 04:57:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-14 04:57:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-14 04:57:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-14 04:57:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2024-11-14 04:57:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2024-11-14 04:57:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2024-11-14 04:57:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2024-11-14 04:57:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2024-11-14 04:57:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2024-11-14 04:57:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2024-11-14 04:57:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2024-11-14 04:57:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:57:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-14 04:57:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-14 04:57:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2024-11-14 04:57:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2024-11-14 04:57:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2024-11-14 04:57:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2024-11-14 04:57:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-14 04:57:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-14 04:57:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-14 04:57:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-14 04:57:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 04:57:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2024-11-14 04:57:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2024-11-14 04:57:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-14 04:57:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-14 04:57:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2024-11-14 04:57:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2024-11-14 04:57:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 04:57:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-14 04:57:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-14 04:57:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2024-11-14 04:57:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2024-11-14 04:57:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:57:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-14 04:57:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-14 04:57:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2024-11-14 04:57:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2024-11-14 04:57:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-14 04:57:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-14 04:57:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2024-11-14 04:57:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2024-11-14 04:57:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2024-11-14 04:57:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2024-11-14 04:57:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2024-11-14 04:57:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2024-11-14 04:57:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2024-11-14 04:57:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2024-11-14 04:57:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:57:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-14 04:57:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-14 04:57:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-14 04:57:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-14 04:57:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-14 04:57:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-14 04:57:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2024-11-14 04:57:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2024-11-14 04:57:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:57:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-11-14 04:57:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-11-14 04:57:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-14 04:57:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-14 04:57:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-14 04:57:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-14 04:57:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:57:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 04:57:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 04:57:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-14 04:57:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-14 04:57:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-14 04:57:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-14 04:57:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2024-11-14 04:57:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2024-11-14 04:57:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2024-11-14 04:57:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2024-11-14 04:57:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-14 04:57:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-14 04:57:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-14 04:57:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-14 04:57:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-14 04:57:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-14 04:57:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2024-11-14 04:57:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2024-11-14 04:57:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-14 04:57:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-14 04:57:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2024-11-14 04:57:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2024-11-14 04:57:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-14 04:57:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-14 04:57:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-14 04:57:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-14 04:57:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-11-14 04:57:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-11-14 04:57:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:57:43,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:57:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-14 04:57:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-14 04:57:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-14 04:57:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-14 04:57:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2024-11-14 04:57:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2024-11-14 04:57:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-14 04:57:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-14 04:57:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2024-11-14 04:57:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2024-11-14 04:57:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 04:57:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 04:57:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 04:57:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 04:57:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2024-11-14 04:57:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2024-11-14 04:57:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2024-11-14 04:57:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2024-11-14 04:57:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2024-11-14 04:57:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2024-11-14 04:57:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2024-11-14 04:57:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2024-11-14 04:57:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2024-11-14 04:57:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2024-11-14 04:57:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2024-11-14 04:57:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2024-11-14 04:57:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2024-11-14 04:57:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2024-11-14 04:57:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2024-11-14 04:57:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2024-11-14 04:57:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2024-11-14 04:57:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2024-11-14 04:57:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 04:57:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 04:57:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-14 04:57:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-14 04:57:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2024-11-14 04:57:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2024-11-14 04:57:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2024-11-14 04:57:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2024-11-14 04:57:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:57:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-14 04:57:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-14 04:57:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:57:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2024-11-14 04:57:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2024-11-14 04:57:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2024-11-14 04:57:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2024-11-14 04:57:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2024-11-14 04:57:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2024-11-14 04:57:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2024-11-14 04:57:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2024-11-14 04:57:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 04:57:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 04:57:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 04:57:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-14 04:57:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-14 04:57:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-14 04:57:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-14 04:57:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2024-11-14 04:57:43,455 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2024-11-14 04:57:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-14 04:57:43,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-14 04:57:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2024-11-14 04:57:43,455 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2024-11-14 04:57:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2024-11-14 04:57:43,455 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2024-11-14 04:57:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-14 04:57:43,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-14 04:57:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-14 04:57:43,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-14 04:57:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2024-11-14 04:57:43,456 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2024-11-14 04:57:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2024-11-14 04:57:43,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2024-11-14 04:57:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-14 04:57:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-14 04:57:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2024-11-14 04:57:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2024-11-14 04:57:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-14 04:57:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-14 04:57:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-14 04:57:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-14 04:57:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2024-11-14 04:57:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2024-11-14 04:57:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-14 04:57:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-14 04:57:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2024-11-14 04:57:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2024-11-14 04:57:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:57:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2024-11-14 04:57:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2024-11-14 04:57:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 04:57:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 04:57:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-14 04:57:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-14 04:57:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-14 04:57:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-14 04:57:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2024-11-14 04:57:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2024-11-14 04:57:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2024-11-14 04:57:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2024-11-14 04:57:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2024-11-14 04:57:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2024-11-14 04:57:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2024-11-14 04:57:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2024-11-14 04:57:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2024-11-14 04:57:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2024-11-14 04:57:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2024-11-14 04:57:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2024-11-14 04:57:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-14 04:57:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-14 04:57:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2024-11-14 04:57:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2024-11-14 04:57:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-11-14 04:57:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-11-14 04:57:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-14 04:57:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-14 04:57:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:57:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2024-11-14 04:57:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2024-11-14 04:57:43,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-14 04:57:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-14 04:57:43,463 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-14 04:57:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-14 04:57:45,290 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:57:45,304 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:57:46,377 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 04:58:01,100 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-14 04:58:02,833 INFO L? ?]: Removed 2761 outVars from TransFormulas that were not future-live. [2024-11-14 04:58:02,834 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:58:05,937 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:58:05,938 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-14 04:58:05,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:58:05 BoogieIcfgContainer [2024-11-14 04:58:05,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:58:05,945 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:58:05,948 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:58:05,956 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:58:05,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:57:35" (1/3) ... [2024-11-14 04:58:05,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcca2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:58:05, skipping insertion in model container [2024-11-14 04:58:05,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:41" (2/3) ... [2024-11-14 04:58:05,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcca2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:58:05, skipping insertion in model container [2024-11-14 04:58:05,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:58:05" (3/3) ... [2024-11-14 04:58:05,960 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2024-11-14 04:58:05,985 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:58:05,989 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i that has 118 procedures, 2139 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-14 04:58:06,168 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:58:06,185 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@7d38943e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:58:06,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:58:06,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 2137 states, 1272 states have (on average 1.3034591194968554) internal successors, (1658), 1300 states have internal predecessors, (1658), 750 states have call successors, (750), 117 states have call predecessors, (750), 116 states have return successors, (741), 732 states have call predecessors, (741), 741 states have call successors, (741) [2024-11-14 04:58:06,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-14 04:58:06,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:58:06,256 INFO L215 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:58:06,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:58:06,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:58:06,263 INFO L85 PathProgramCache]: Analyzing trace with hash 456416221, now seen corresponding path program 1 times [2024-11-14 04:58:06,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:58:06,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178853997] [2024-11-14 04:58:06,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:58:06,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:58:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:58:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2024-11-14 04:58:11,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:58:11,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178853997] [2024-11-14 04:58:11,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178853997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:58:11,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:58:11,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:58:11,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938715677] [2024-11-14 04:58:11,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:58:11,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:58:11,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:58:11,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:58:11,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:58:11,398 INFO L87 Difference]: Start difference. First operand has 2137 states, 1272 states have (on average 1.3034591194968554) internal successors, (1658), 1300 states have internal predecessors, (1658), 750 states have call successors, (750), 117 states have call predecessors, (750), 116 states have return successors, (741), 732 states have call predecessors, (741), 741 states have call successors, (741) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-14 04:58:13,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:15,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:21,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:58:21,937 INFO L93 Difference]: Finished difference Result 6248 states and 9674 transitions. [2024-11-14 04:58:21,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:58:21,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 211 [2024-11-14 04:58:21,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:58:22,037 INFO L225 Difference]: With dead ends: 6248 [2024-11-14 04:58:22,038 INFO L226 Difference]: Without dead ends: 4137 [2024-11-14 04:58:22,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:58:22,087 INFO L432 NwaCegarLoop]: 2711 mSDtfsCounter, 3001 mSDsluCounter, 2667 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3001 SdHoareTripleChecker+Valid, 5378 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:58:22,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3001 Valid, 5378 Invalid, 865 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 856 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2024-11-14 04:58:22,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4137 states. [2024-11-14 04:58:22,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4137 to 4137. [2024-11-14 04:58:22,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4137 states, 2471 states have (on average 1.2942128692836907) internal successors, (3198), 2528 states have internal predecessors, (3198), 1437 states have call successors, (1437), 229 states have call predecessors, (1437), 228 states have return successors, (1433), 1415 states have call predecessors, (1433), 1433 states have call successors, (1433) [2024-11-14 04:58:22,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4137 states to 4137 states and 6068 transitions. [2024-11-14 04:58:22,837 INFO L78 Accepts]: Start accepts. Automaton has 4137 states and 6068 transitions. Word has length 211 [2024-11-14 04:58:22,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:58:22,842 INFO L471 AbstractCegarLoop]: Abstraction has 4137 states and 6068 transitions. [2024-11-14 04:58:22,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-14 04:58:22,843 INFO L276 IsEmpty]: Start isEmpty. Operand 4137 states and 6068 transitions. [2024-11-14 04:58:22,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-14 04:58:22,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:58:22,879 INFO L215 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:58:22,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:58:22,881 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:58:22,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:58:22,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1629834069, now seen corresponding path program 1 times [2024-11-14 04:58:22,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:58:22,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789451608] [2024-11-14 04:58:22,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:58:22,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:58:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:58:27,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1559 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2024-11-14 04:58:27,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:58:27,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789451608] [2024-11-14 04:58:27,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789451608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:58:27,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:58:27,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:58:27,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001263868] [2024-11-14 04:58:27,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:58:27,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:58:27,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:58:27,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:58:27,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:58:27,913 INFO L87 Difference]: Start difference. First operand 4137 states and 6068 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-14 04:58:29,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:31,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:34,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:42,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:58:42,591 INFO L93 Difference]: Finished difference Result 4143 states and 6073 transitions. [2024-11-14 04:58:42,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:58:42,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 253 [2024-11-14 04:58:42,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:58:42,648 INFO L225 Difference]: With dead ends: 4143 [2024-11-14 04:58:42,648 INFO L226 Difference]: Without dead ends: 4139 [2024-11-14 04:58:42,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:58:42,658 INFO L432 NwaCegarLoop]: 2674 mSDtfsCounter, 3037 mSDsluCounter, 5345 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3038 SdHoareTripleChecker+Valid, 8019 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:58:42,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3038 Valid, 8019 Invalid, 1271 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1268 Invalid, 3 Unknown, 0 Unchecked, 14.2s Time] [2024-11-14 04:58:42,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4139 states. [2024-11-14 04:58:42,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4139 to 4139. [2024-11-14 04:58:42,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4139 states, 2473 states have (on average 1.29357056207036) internal successors, (3199), 2529 states have internal predecessors, (3199), 1437 states have call successors, (1437), 230 states have call predecessors, (1437), 228 states have return successors, (1433), 1415 states have call predecessors, (1433), 1433 states have call successors, (1433) [2024-11-14 04:58:43,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4139 states to 4139 states and 6069 transitions. [2024-11-14 04:58:43,034 INFO L78 Accepts]: Start accepts. Automaton has 4139 states and 6069 transitions. Word has length 253 [2024-11-14 04:58:43,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:58:43,036 INFO L471 AbstractCegarLoop]: Abstraction has 4139 states and 6069 transitions. [2024-11-14 04:58:43,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-14 04:58:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand 4139 states and 6069 transitions. [2024-11-14 04:58:43,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-14 04:58:43,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:58:43,055 INFO L215 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:58:43,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:58:43,056 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:58:43,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:58:43,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1291205769, now seen corresponding path program 1 times [2024-11-14 04:58:43,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:58:43,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402237987] [2024-11-14 04:58:43,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:58:43,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:58:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:58:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1567 trivial. 0 not checked. [2024-11-14 04:58:47,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:58:47,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402237987] [2024-11-14 04:58:47,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402237987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:58:47,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:58:47,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:58:47,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927899518] [2024-11-14 04:58:47,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:58:47,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:58:47,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:58:47,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:58:47,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:58:47,906 INFO L87 Difference]: Start difference. First operand 4139 states and 6069 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-14 04:58:49,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:51,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:54,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:03,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:03,200 INFO L93 Difference]: Finished difference Result 8233 states and 12114 transitions. [2024-11-14 04:59:03,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:59:03,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 262 [2024-11-14 04:59:03,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:03,282 INFO L225 Difference]: With dead ends: 8233 [2024-11-14 04:59:03,282 INFO L226 Difference]: Without dead ends: 8211 [2024-11-14 04:59:03,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:59:03,293 INFO L432 NwaCegarLoop]: 2704 mSDtfsCounter, 3022 mSDsluCounter, 8021 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3022 SdHoareTripleChecker+Valid, 10725 SdHoareTripleChecker+Invalid, 1700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:03,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3022 Valid, 10725 Invalid, 1700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1696 Invalid, 3 Unknown, 0 Unchecked, 14.8s Time] [2024-11-14 04:59:03,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8211 states. [2024-11-14 04:59:03,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8211 to 8209. [2024-11-14 04:59:03,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8209 states, 4912 states have (on average 1.294584690553746) internal successors, (6359), 5024 states have internal predecessors, (6359), 2842 states have call successors, (2842), 456 states have call predecessors, (2842), 454 states have return successors, (2882), 2800 states have call predecessors, (2882), 2838 states have call successors, (2882) [2024-11-14 04:59:03,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8209 states to 8209 states and 12083 transitions. [2024-11-14 04:59:03,861 INFO L78 Accepts]: Start accepts. Automaton has 8209 states and 12083 transitions. Word has length 262 [2024-11-14 04:59:03,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:03,861 INFO L471 AbstractCegarLoop]: Abstraction has 8209 states and 12083 transitions. [2024-11-14 04:59:03,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-14 04:59:03,864 INFO L276 IsEmpty]: Start isEmpty. Operand 8209 states and 12083 transitions. [2024-11-14 04:59:03,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2024-11-14 04:59:03,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:03,922 INFO L215 NwaCegarLoop]: trace histogram [32, 25, 25, 25, 25, 25, 25, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:59:03,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:59:03,923 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:59:03,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:03,923 INFO L85 PathProgramCache]: Analyzing trace with hash 582617626, now seen corresponding path program 1 times [2024-11-14 04:59:03,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:59:03,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594604993] [2024-11-14 04:59:03,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:03,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:59:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:07,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2923 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2915 trivial. 0 not checked. [2024-11-14 04:59:07,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:59:07,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594604993] [2024-11-14 04:59:07,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594604993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:07,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:07,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:59:07,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883656064] [2024-11-14 04:59:07,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:07,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:59:07,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:59:07,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:59:07,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:59:07,721 INFO L87 Difference]: Start difference. First operand 8209 states and 12083 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2024-11-14 04:59:09,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:11,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:19,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:19,158 INFO L93 Difference]: Finished difference Result 23841 states and 35035 transitions. [2024-11-14 04:59:19,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:59:19,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) Word has length 506 [2024-11-14 04:59:19,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:19,306 INFO L225 Difference]: With dead ends: 23841 [2024-11-14 04:59:19,306 INFO L226 Difference]: Without dead ends: 15671 [2024-11-14 04:59:19,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:59:19,375 INFO L432 NwaCegarLoop]: 3514 mSDtfsCounter, 2733 mSDsluCounter, 2620 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2733 SdHoareTripleChecker+Valid, 6134 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:19,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2733 Valid, 6134 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1008 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2024-11-14 04:59:19,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15671 states. [2024-11-14 04:59:20,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15671 to 15650. [2024-11-14 04:59:20,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15650 states, 9314 states have (on average 1.2819411638393816) internal successors, (11940), 9535 states have internal predecessors, (11940), 5448 states have call successors, (5448), 889 states have call predecessors, (5448), 887 states have return successors, (5490), 5365 states have call predecessors, (5490), 5444 states have call successors, (5490) [2024-11-14 04:59:20,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15650 states to 15650 states and 22878 transitions. [2024-11-14 04:59:20,685 INFO L78 Accepts]: Start accepts. Automaton has 15650 states and 22878 transitions. Word has length 506 [2024-11-14 04:59:20,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:20,687 INFO L471 AbstractCegarLoop]: Abstraction has 15650 states and 22878 transitions. [2024-11-14 04:59:20,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2024-11-14 04:59:20,688 INFO L276 IsEmpty]: Start isEmpty. Operand 15650 states and 22878 transitions. [2024-11-14 04:59:20,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2024-11-14 04:59:20,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:20,770 INFO L215 NwaCegarLoop]: trace histogram [33, 25, 25, 25, 25, 25, 25, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:59:20,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:59:20,770 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:59:20,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:20,771 INFO L85 PathProgramCache]: Analyzing trace with hash -41259183, now seen corresponding path program 1 times [2024-11-14 04:59:20,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:59:20,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813375078] [2024-11-14 04:59:20,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:20,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:59:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:24,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3017 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3009 trivial. 0 not checked. [2024-11-14 04:59:24,048 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:59:24,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813375078] [2024-11-14 04:59:24,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813375078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:24,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:24,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:59:24,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390266170] [2024-11-14 04:59:24,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:24,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:59:24,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:59:24,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:59:24,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:59:24,050 INFO L87 Difference]: Start difference. First operand 15650 states and 22878 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2024-11-14 04:59:26,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:28,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:35,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:35,571 INFO L93 Difference]: Finished difference Result 30656 states and 44715 transitions. [2024-11-14 04:59:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:59:35,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) Word has length 515 [2024-11-14 04:59:35,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:35,723 INFO L225 Difference]: With dead ends: 30656 [2024-11-14 04:59:35,723 INFO L226 Difference]: Without dead ends: 15045 [2024-11-14 04:59:35,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:59:35,828 INFO L432 NwaCegarLoop]: 3793 mSDtfsCounter, 2953 mSDsluCounter, 2645 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2953 SdHoareTripleChecker+Valid, 6438 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:35,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2953 Valid, 6438 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1022 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2024-11-14 04:59:35,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15045 states. [2024-11-14 04:59:36,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15045 to 15028. [2024-11-14 04:59:36,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15028 states, 9019 states have (on average 1.281738551945892) internal successors, (11560), 9236 states have internal predecessors, (11560), 5112 states have call successors, (5112), 900 states have call predecessors, (5112), 896 states have return successors, (5152), 5021 states have call predecessors, (5152), 5108 states have call successors, (5152) [2024-11-14 04:59:36,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15028 states to 15028 states and 21824 transitions. [2024-11-14 04:59:37,013 INFO L78 Accepts]: Start accepts. Automaton has 15028 states and 21824 transitions. Word has length 515 [2024-11-14 04:59:37,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:37,014 INFO L471 AbstractCegarLoop]: Abstraction has 15028 states and 21824 transitions. [2024-11-14 04:59:37,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2024-11-14 04:59:37,014 INFO L276 IsEmpty]: Start isEmpty. Operand 15028 states and 21824 transitions. [2024-11-14 04:59:37,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2024-11-14 04:59:37,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:37,097 INFO L215 NwaCegarLoop]: trace histogram [33, 25, 25, 25, 25, 25, 25, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:59:37,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:59:37,097 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:59:37,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:37,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1082536205, now seen corresponding path program 1 times [2024-11-14 04:59:37,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:59:37,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569212816] [2024-11-14 04:59:37,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:37,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:59:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3064 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3051 trivial. 0 not checked. [2024-11-14 04:59:41,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:59:41,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569212816] [2024-11-14 04:59:41,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569212816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:41,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:41,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:59:41,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001232680] [2024-11-14 04:59:41,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:41,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:59:41,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:59:41,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:59:41,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:59:41,559 INFO L87 Difference]: Start difference. First operand 15028 states and 21824 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) [2024-11-14 04:59:43,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:45,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:53,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:53,183 INFO L93 Difference]: Finished difference Result 35134 states and 51075 transitions. [2024-11-14 04:59:53,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:59:53,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) Word has length 524 [2024-11-14 04:59:53,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:53,395 INFO L225 Difference]: With dead ends: 35134 [2024-11-14 04:59:53,395 INFO L226 Difference]: Without dead ends: 21135 [2024-11-14 04:59:53,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:59:53,491 INFO L432 NwaCegarLoop]: 5209 mSDtfsCounter, 2946 mSDsluCounter, 2646 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2946 SdHoareTripleChecker+Valid, 7855 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:53,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2946 Valid, 7855 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1280 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2024-11-14 04:59:53,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21135 states. [2024-11-14 04:59:54,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21135 to 21118. [2024-11-14 04:59:55,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21118 states, 12702 states have (on average 1.2826326562746024) internal successors, (16292), 13010 states have internal predecessors, (16292), 7147 states have call successors, (7147), 1274 states have call predecessors, (7147), 1268 states have return successors, (7208), 7015 states have call predecessors, (7208), 7143 states have call successors, (7208) [2024-11-14 04:59:55,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21118 states to 21118 states and 30647 transitions. [2024-11-14 04:59:55,183 INFO L78 Accepts]: Start accepts. Automaton has 21118 states and 30647 transitions. Word has length 524 [2024-11-14 04:59:55,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:55,184 INFO L471 AbstractCegarLoop]: Abstraction has 21118 states and 30647 transitions. [2024-11-14 04:59:55,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) [2024-11-14 04:59:55,185 INFO L276 IsEmpty]: Start isEmpty. Operand 21118 states and 30647 transitions. [2024-11-14 04:59:55,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2024-11-14 04:59:55,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:55,259 INFO L215 NwaCegarLoop]: trace histogram [35, 25, 25, 25, 25, 25, 25, 12, 12, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:59:55,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 04:59:55,260 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:59:55,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:55,260 INFO L85 PathProgramCache]: Analyzing trace with hash -849693000, now seen corresponding path program 1 times [2024-11-14 04:59:55,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:59:55,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078376895] [2024-11-14 04:59:55,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:55,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:59:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:00:02,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3292 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 3230 trivial. 0 not checked. [2024-11-14 05:00:02,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:00:02,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078376895] [2024-11-14 05:00:02,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078376895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:00:02,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256120375] [2024-11-14 05:00:02,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:00:02,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:00:02,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:00:02,647 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:00:02,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:00:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:00:08,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 4412 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 05:00:08,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:00:09,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3292 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 3159 trivial. 0 not checked. [2024-11-14 05:00:09,275 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:00:14,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3292 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3256 trivial. 0 not checked. [2024-11-14 05:00:14,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256120375] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 05:00:14,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 05:00:14,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7, 7] total 16 [2024-11-14 05:00:14,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894359168] [2024-11-14 05:00:14,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:00:14,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:00:14,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:00:14,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:00:14,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-14 05:00:14,671 INFO L87 Difference]: Start difference. First operand 21118 states and 30647 transitions. Second operand has 7 states, 6 states have (on average 26.666666666666668) internal successors, (160), 7 states have internal predecessors, (160), 4 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (78), 4 states have call predecessors, (78), 4 states have call successors, (78) [2024-11-14 05:00:16,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:18,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:20,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:22,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:32,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:32,765 INFO L93 Difference]: Finished difference Result 47276 states and 68649 transitions. [2024-11-14 05:01:32,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 05:01:32,766 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 26.666666666666668) internal successors, (160), 7 states have internal predecessors, (160), 4 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (78), 4 states have call predecessors, (78), 4 states have call successors, (78) Word has length 565 [2024-11-14 05:01:32,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:33,044 INFO L225 Difference]: With dead ends: 47276 [2024-11-14 05:01:33,044 INFO L226 Difference]: Without dead ends: 27175 [2024-11-14 05:01:33,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1142 GetRequests, 1122 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2024-11-14 05:01:33,181 INFO L432 NwaCegarLoop]: 2643 mSDtfsCounter, 4714 mSDsluCounter, 3551 mSDsCounter, 0 mSdLazyCounter, 12085 mSolverCounterSat, 173 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5300 SdHoareTripleChecker+Valid, 6194 SdHoareTripleChecker+Invalid, 12262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 12085 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:33,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5300 Valid, 6194 Invalid, 12262 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [173 Valid, 12085 Invalid, 4 Unknown, 0 Unchecked, 74.9s Time] [2024-11-14 05:01:33,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27175 states. [2024-11-14 05:01:35,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27175 to 27160. [2024-11-14 05:01:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27160 states, 16367 states have (on average 1.284169365186045) internal successors, (21018), 16754 states have internal predecessors, (21018), 9152 states have call successors, (9152), 1642 states have call predecessors, (9152), 1640 states have return successors, (9234), 8997 states have call predecessors, (9234), 9148 states have call successors, (9234) [2024-11-14 05:01:35,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27160 states to 27160 states and 39404 transitions. [2024-11-14 05:01:35,372 INFO L78 Accepts]: Start accepts. Automaton has 27160 states and 39404 transitions. Word has length 565 [2024-11-14 05:01:35,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:35,373 INFO L471 AbstractCegarLoop]: Abstraction has 27160 states and 39404 transitions. [2024-11-14 05:01:35,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 26.666666666666668) internal successors, (160), 7 states have internal predecessors, (160), 4 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (78), 4 states have call predecessors, (78), 4 states have call successors, (78) [2024-11-14 05:01:35,374 INFO L276 IsEmpty]: Start isEmpty. Operand 27160 states and 39404 transitions. [2024-11-14 05:01:35,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2024-11-14 05:01:35,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:35,478 INFO L215 NwaCegarLoop]: trace histogram [35, 25, 25, 25, 25, 25, 25, 11, 11, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:35,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:01:35,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-14 05:01:35,680 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:01:35,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:35,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1768266982, now seen corresponding path program 1 times [2024-11-14 05:01:35,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:35,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953969847] [2024-11-14 05:01:35,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:35,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:42,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3263 backedges. 56 proven. 10 refuted. 0 times theorem prover too weak. 3197 trivial. 0 not checked. [2024-11-14 05:01:42,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:42,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953969847] [2024-11-14 05:01:42,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953969847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:01:42,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060349407] [2024-11-14 05:01:42,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:42,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:01:42,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:01:42,933 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:01:42,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dccde3ef-d5d0-4c6f-a94e-81128d4cbc25/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process