./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.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_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0705c7c1097399903dd015d79fa2944ad89b2d381aed5d9e2539b97c330aa424 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:40:19,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:40:19,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 10:40:19,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:40:19,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:40:19,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:40:19,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:40:19,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:40:19,216 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:40:19,216 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:40:19,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:40:19,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:40:19,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:40:19,217 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:40:19,217 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:40:19,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:40:19,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:40:19,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:40:19,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:40:19,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:40:19,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:40:19,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:40:19,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:40:19,218 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:40:19,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:40:19,218 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:40:19,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:40:19,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:40:19,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:40:19,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:40:19,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:40:19,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:40:19,219 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:40:19,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:40:19,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:40:19,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:40:19,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:40:19,219 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:40:19,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:40:19,219 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:40:19,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:40:19,220 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:40:19,220 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:40:19,220 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:40:19,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:40:19,220 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0705c7c1097399903dd015d79fa2944ad89b2d381aed5d9e2539b97c330aa424 [2024-12-02 10:40:19,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:40:19,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:40:19,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:40:19,446 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:40:19,446 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:40:19,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2024-12-02 10:40:22,153 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/data/078906f21/9e93d819e3504405a8b354036838a4b4/FLAG484c64c3e [2024-12-02 10:40:22,634 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:40:22,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2024-12-02 10:40:22,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/data/078906f21/9e93d819e3504405a8b354036838a4b4/FLAG484c64c3e [2024-12-02 10:40:22,687 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/data/078906f21/9e93d819e3504405a8b354036838a4b4 [2024-12-02 10:40:22,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:40:22,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:40:22,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:40:22,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:40:22,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:40:22,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:40:22" (1/1) ... [2024-12-02 10:40:22,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ba4ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:22, skipping insertion in model container [2024-12-02 10:40:22,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:40:22" (1/1) ... [2024-12-02 10:40:22,796 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:40:24,959 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_8da424c1-0108-45b8-9728-99c67dffeaed/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[351362,351375] [2024-12-02 10:40:24,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:40:25,007 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:40:25,068 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] [2024-12-02 10:40:25,069 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] [2024-12-02 10:40:25,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5253] [2024-12-02 10:40:25,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5385] [2024-12-02 10:40:25,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5393] [2024-12-02 10:40:25,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5400] [2024-12-02 10:40:25,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5407] [2024-12-02 10:40:25,076 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] [2024-12-02 10:40:25,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5599] [2024-12-02 10:40:25,083 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] [2024-12-02 10:40:25,084 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] [2024-12-02 10:40:25,109 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] [2024-12-02 10:40:25,110 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] [2024-12-02 10:40:25,116 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] [2024-12-02 10:40:25,118 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] [2024-12-02 10:40:25,120 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] [2024-12-02 10:40:25,121 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] [2024-12-02 10:40:25,149 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] [2024-12-02 10:40:25,150 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] [2024-12-02 10:40:25,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8170] [2024-12-02 10:40:25,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8473] [2024-12-02 10:40:25,238 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] [2024-12-02 10:40:25,238 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] [2024-12-02 10:40:25,239 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] [2024-12-02 10:40:25,239 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] [2024-12-02 10:40:25,351 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_8da424c1-0108-45b8-9728-99c67dffeaed/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[351362,351375] [2024-12-02 10:40:25,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:40:25,621 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:40:25,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:25 WrapperNode [2024-12-02 10:40:25,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:40:25,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:40:25,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:40:25,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:40:25,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:25" (1/1) ... [2024-12-02 10:40:25,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:25" (1/1) ... [2024-12-02 10:40:25,841 INFO L138 Inliner]: procedures = 415, calls = 1913, calls flagged for inlining = 249, calls inlined = 236, statements flattened = 6253 [2024-12-02 10:40:25,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:40:25,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:40:25,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:40:25,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:40:25,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:25" (1/1) ... [2024-12-02 10:40:25,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:25" (1/1) ... [2024-12-02 10:40:25,873 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:25" (1/1) ... [2024-12-02 10:40:27,299 INFO L175 MemorySlicer]: Split 660 memory accesses to 8 slices as follows [567, 44, 8, 8, 4, 1, 2, 26]. 86 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [15, 0, 8, 8, 0, 1, 2, 0]. The 275 writes are split as follows [249, 0, 0, 0, 2, 0, 0, 24]. [2024-12-02 10:40:27,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:25" (1/1) ... [2024-12-02 10:40:27,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:25" (1/1) ... [2024-12-02 10:40:27,394 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:25" (1/1) ... [2024-12-02 10:40:27,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:25" (1/1) ... [2024-12-02 10:40:27,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:25" (1/1) ... [2024-12-02 10:40:27,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:25" (1/1) ... [2024-12-02 10:40:27,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:25" (1/1) ... [2024-12-02 10:40:27,507 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:40:27,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:40:27,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:40:27,509 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:40:27,509 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:25" (1/1) ... [2024-12-02 10:40:27,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:40:27,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:40:27,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:40:27,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:40:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 10:40:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 10:40:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 10:40:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 10:40:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 10:40:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 10:40:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 10:40:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 10:40:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2024-12-02 10:40:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2024-12-02 10:40:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2024-12-02 10:40:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2024-12-02 10:40:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-12-02 10:40:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-12-02 10:40:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 10:40:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 10:40:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2024-12-02 10:40:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2024-12-02 10:40:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2024-12-02 10:40:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2024-12-02 10:40:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 10:40:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 10:40:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 10:40:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 10:40:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-12-02 10:40:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-12-02 10:40:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 10:40:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 10:40:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 10:40:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 10:40:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 10:40:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 10:40:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2024-12-02 10:40:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2024-12-02 10:40:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2024-12-02 10:40:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2024-12-02 10:40:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2024-12-02 10:40:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2024-12-02 10:40:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2024-12-02 10:40:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2024-12-02 10:40:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 10:40:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 10:40:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 10:40:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2024-12-02 10:40:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2024-12-02 10:40:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2024-12-02 10:40:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2024-12-02 10:40:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 10:40:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 10:40:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-12-02 10:40:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-12-02 10:40:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 10:40:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 10:40:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 10:40:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 10:40:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 10:40:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 10:40:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 10:40:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 10:40:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2024-12-02 10:40:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2024-12-02 10:40:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 10:40:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 10:40:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2024-12-02 10:40:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2024-12-02 10:40:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 10:40:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 10:40:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 10:40:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 10:40:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 10:40:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 10:40:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 10:40:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 10:40:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 10:40:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 10:40:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2024-12-02 10:40:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2024-12-02 10:40:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 10:40:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 10:40:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 10:40:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 10:40:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 10:40:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 10:40:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 10:40:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 10:40:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 10:40:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 10:40:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 10:40:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 10:40:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 10:40:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 10:40:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 10:40:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 10:40:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 10:40:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 10:40:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 10:40:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 10:40:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 10:40:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 10:40:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 10:40:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 10:40:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2024-12-02 10:40:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2024-12-02 10:40:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 10:40:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 10:40:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2024-12-02 10:40:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2024-12-02 10:40:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2024-12-02 10:40:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2024-12-02 10:40:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2024-12-02 10:40:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2024-12-02 10:40:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2024-12-02 10:40:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2024-12-02 10:40:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 10:40:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 10:40:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 10:40:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 10:40:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 10:40:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-12-02 10:40:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-12-02 10:40:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2024-12-02 10:40:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2024-12-02 10:40:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:40:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-12-02 10:40:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-12-02 10:40:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 10:40:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 10:40:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 10:40:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 10:40:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 10:40:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 10:40:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 10:40:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 10:40:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 10:40:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 10:40:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 10:40:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 10:40:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 10:40:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 10:40:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-12-02 10:40:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-12-02 10:40:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 10:40:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 10:40:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2024-12-02 10:40:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2024-12-02 10:40:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2024-12-02 10:40:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2024-12-02 10:40:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-12-02 10:40:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-12-02 10:40:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 10:40:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 10:40:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 10:40:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 10:40:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2024-12-02 10:40:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2024-12-02 10:40:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-12-02 10:40:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-12-02 10:40:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2024-12-02 10:40:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2024-12-02 10:40:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 10:40:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 10:40:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 10:40:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 10:40:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-12-02 10:40:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-12-02 10:40:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:40:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:40:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 10:40:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 10:40:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-12-02 10:40:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-12-02 10:40:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2024-12-02 10:40:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2024-12-02 10:40:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 10:40:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 10:40:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2024-12-02 10:40:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2024-12-02 10:40:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 10:40:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 10:40:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 10:40:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 10:40:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 10:40:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 10:40:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 10:40:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 10:40:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 10:40:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 10:40:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 10:40:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 10:40:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 10:40:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 10:40:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 10:40:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 10:40:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 10:40:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 10:40:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2024-12-02 10:40:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2024-12-02 10:40:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2024-12-02 10:40:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2024-12-02 10:40:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2024-12-02 10:40:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2024-12-02 10:40:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2024-12-02 10:40:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2024-12-02 10:40:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2024-12-02 10:40:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2024-12-02 10:40:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2024-12-02 10:40:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2024-12-02 10:40:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2024-12-02 10:40:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2024-12-02 10:40:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2024-12-02 10:40:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2024-12-02 10:40:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2024-12-02 10:40:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2024-12-02 10:40:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 10:40:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 10:40:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 10:40:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 10:40:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 10:40:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 10:40:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 10:40:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 10:40:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 10:40:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 10:40:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 10:40:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 10:40:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 10:40:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 10:40:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 10:40:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 10:40:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 10:40:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2024-12-02 10:40:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2024-12-02 10:40:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 10:40:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2024-12-02 10:40:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2024-12-02 10:40:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2024-12-02 10:40:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2024-12-02 10:40:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2024-12-02 10:40:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2024-12-02 10:40:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 10:40:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 10:40:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 10:40:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 10:40:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 10:40:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 10:40:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 10:40:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 10:40:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 10:40:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 10:40:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-12-02 10:40:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-12-02 10:40:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-12-02 10:40:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-12-02 10:40:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2024-12-02 10:40:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2024-12-02 10:40:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 10:40:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 10:40:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2024-12-02 10:40:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2024-12-02 10:40:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2024-12-02 10:40:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2024-12-02 10:40:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 10:40:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 10:40:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 10:40:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 10:40:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2024-12-02 10:40:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2024-12-02 10:40:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2024-12-02 10:40:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2024-12-02 10:40:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 10:40:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 10:40:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2024-12-02 10:40:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2024-12-02 10:40:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 10:40:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 10:40:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 10:40:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 10:40:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2024-12-02 10:40:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2024-12-02 10:40:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-12-02 10:40:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-12-02 10:40:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2024-12-02 10:40:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2024-12-02 10:40:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 10:40:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 10:40:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 10:40:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 10:40:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 10:40:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 10:40:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 10:40:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 10:40:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2024-12-02 10:40:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2024-12-02 10:40:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 10:40:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 10:40:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-12-02 10:40:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-12-02 10:40:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 10:40:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 10:40:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2024-12-02 10:40:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2024-12-02 10:40:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2024-12-02 10:40:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2024-12-02 10:40:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2024-12-02 10:40:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2024-12-02 10:40:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2024-12-02 10:40:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2024-12-02 10:40:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 10:40:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2024-12-02 10:40:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-12-02 10:40:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 10:40:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 10:40:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2024-12-02 10:40:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2024-12-02 10:40:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 10:40:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 10:40:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-12-02 10:40:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-12-02 10:40:28,536 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:40:28,539 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:40:28,605 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 10:40:40,911 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 10:40:41,894 INFO L? ?]: Removed 2876 outVars from TransFormulas that were not future-live. [2024-12-02 10:40:41,894 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:40:41,939 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:40:41,939 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-02 10:40:41,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:41 BoogieIcfgContainer [2024-12-02 10:40:41,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:40:41,941 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:40:41,941 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:40:41,945 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:40:41,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:40:22" (1/3) ... [2024-12-02 10:40:41,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2c09b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:40:41, skipping insertion in model container [2024-12-02 10:40:41,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:25" (2/3) ... [2024-12-02 10:40:41,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2c09b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:40:41, skipping insertion in model container [2024-12-02 10:40:41,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:41" (3/3) ... [2024-12-02 10:40:41,948 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2024-12-02 10:40:41,959 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:40:41,961 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i that has 132 procedures, 3055 locations, 1 initial locations, 25 loop locations, and 1 error locations. [2024-12-02 10:40:42,053 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:40:42,063 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5743c674, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:40:42,063 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:40:42,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 2990 states, 2125 states have (on average 1.3185882352941176) internal successors, (2802), 2159 states have internal predecessors, (2802), 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) [2024-12-02 10:40:42,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-12-02 10:40:42,092 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:40:42,093 INFO L218 NwaCegarLoop]: trace histogram [20, 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, 1, 1, 1, 1, 1, 1] [2024-12-02 10:40:42,093 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] === [2024-12-02 10:40:42,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:40:42,097 INFO L85 PathProgramCache]: Analyzing trace with hash 233061648, now seen corresponding path program 1 times [2024-12-02 10:40:42,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:40:42,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063496150] [2024-12-02 10:40:42,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:40:42,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:40:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:40:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-12-02 10:40:45,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:40:45,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063496150] [2024-12-02 10:40:45,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063496150] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:40:45,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:40:45,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:40:45,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206375214] [2024-12-02 10:40:45,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:40:45,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:40:45,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:40:45,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:40:45,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:40:45,563 INFO L87 Difference]: Start difference. First operand has 2990 states, 2125 states have (on average 1.3185882352941176) internal successors, (2802), 2159 states have internal predecessors, (2802), 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 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-12-02 10:40:49,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:40:50,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:40:50,245 INFO L93 Difference]: Finished difference Result 8777 states and 13074 transitions. [2024-12-02 10:40:50,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:40:50,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 237 [2024-12-02 10:40:50,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:40:50,310 INFO L225 Difference]: With dead ends: 8777 [2024-12-02 10:40:50,310 INFO L226 Difference]: Without dead ends: 5817 [2024-12-02 10:40:50,339 INFO L434 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 [2024-12-02 10:40:50,342 INFO L435 NwaCegarLoop]: 4250 mSDtfsCounter, 4093 mSDsluCounter, 4180 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4093 SdHoareTripleChecker+Valid, 8430 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:40:50,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4093 Valid, 8430 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 10:40:50,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5817 states. [2024-12-02 10:40:50,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5817 to 5817. [2024-12-02 10:40:50,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5817 states, 4151 states have (on average 1.299927728258251) internal successors, (5396), 4220 states have internal predecessors, (5396), 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) [2024-12-02 10:40:50,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5817 states to 5817 states and 8266 transitions. [2024-12-02 10:40:50,784 INFO L78 Accepts]: Start accepts. Automaton has 5817 states and 8266 transitions. Word has length 237 [2024-12-02 10:40:50,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:40:50,785 INFO L471 AbstractCegarLoop]: Abstraction has 5817 states and 8266 transitions. [2024-12-02 10:40:50,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-12-02 10:40:50,785 INFO L276 IsEmpty]: Start isEmpty. Operand 5817 states and 8266 transitions. [2024-12-02 10:40:50,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-12-02 10:40:50,803 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:40:50,803 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 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] [2024-12-02 10:40:50,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 10:40:50,804 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] === [2024-12-02 10:40:50,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:40:50,805 INFO L85 PathProgramCache]: Analyzing trace with hash -471644351, now seen corresponding path program 1 times [2024-12-02 10:40:50,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:40:50,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838536931] [2024-12-02 10:40:50,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:40:50,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:40:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:40:53,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2024-12-02 10:40:53,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:40:53,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838536931] [2024-12-02 10:40:53,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838536931] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:40:53,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:40:53,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:40:53,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854196210] [2024-12-02 10:40:53,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:40:53,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:40:53,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:40:53,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:40:53,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:40:53,941 INFO L87 Difference]: Start difference. First operand 5817 states and 8266 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 10:40:57,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:40:58,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:40:58,394 INFO L93 Difference]: Finished difference Result 11602 states and 16484 transitions. [2024-12-02 10:40:58,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:40:58,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 293 [2024-12-02 10:40:58,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:40:58,447 INFO L225 Difference]: With dead ends: 11602 [2024-12-02 10:40:58,447 INFO L226 Difference]: Without dead ends: 8670 [2024-12-02 10:40:58,464 INFO L434 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 [2024-12-02 10:40:58,465 INFO L435 NwaCegarLoop]: 8258 mSDtfsCounter, 4051 mSDsluCounter, 4183 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4051 SdHoareTripleChecker+Valid, 12441 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:40:58,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4051 Valid, 12441 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 10:40:58,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8670 states. [2024-12-02 10:40:58,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8670 to 8670. [2024-12-02 10:40:58,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8670 states, 6193 states have (on average 1.3006620377845954) internal successors, (8055), 6295 states have internal predecessors, (8055), 2135 states have call successors, (2135), 342 states have call predecessors, (2135), 341 states have return successors, (2131), 2104 states have call predecessors, (2131), 2131 states have call successors, (2131) [2024-12-02 10:40:58,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8670 states to 8670 states and 12321 transitions. [2024-12-02 10:40:58,780 INFO L78 Accepts]: Start accepts. Automaton has 8670 states and 12321 transitions. Word has length 293 [2024-12-02 10:40:58,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:40:58,781 INFO L471 AbstractCegarLoop]: Abstraction has 8670 states and 12321 transitions. [2024-12-02 10:40:58,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 10:40:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 8670 states and 12321 transitions. [2024-12-02 10:40:58,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-12-02 10:40:58,792 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:40:58,792 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 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] [2024-12-02 10:40:58,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:40:58,792 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] === [2024-12-02 10:40:58,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:40:58,793 INFO L85 PathProgramCache]: Analyzing trace with hash -331095741, now seen corresponding path program 1 times [2024-12-02 10:40:58,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:40:58,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299361236] [2024-12-02 10:40:58,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:40:58,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1819 trivial. 0 not checked. [2024-12-02 10:41:02,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:02,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299361236] [2024-12-02 10:41:02,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299361236] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:02,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:02,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:41:02,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290483133] [2024-12-02 10:41:02,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:02,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:41:02,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:02,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:41:02,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:41:02,564 INFO L87 Difference]: Start difference. First operand 8670 states and 12321 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-12-02 10:41:03,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:03,086 INFO L93 Difference]: Finished difference Result 8676 states and 12326 transitions. [2024-12-02 10:41:03,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:41:03,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 293 [2024-12-02 10:41:03,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:03,151 INFO L225 Difference]: With dead ends: 8676 [2024-12-02 10:41:03,152 INFO L226 Difference]: Without dead ends: 8672 [2024-12-02 10:41:03,156 INFO L434 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 [2024-12-02 10:41:03,157 INFO L435 NwaCegarLoop]: 4207 mSDtfsCounter, 4139 mSDsluCounter, 8411 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4140 SdHoareTripleChecker+Valid, 12618 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:03,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4140 Valid, 12618 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:41:03,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8672 states. [2024-12-02 10:41:03,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8672 to 8672. [2024-12-02 10:41:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8672 states, 6195 states have (on average 1.3004035512510088) internal successors, (8056), 6296 states have internal predecessors, (8056), 2135 states have call successors, (2135), 343 states have call predecessors, (2135), 341 states have return successors, (2131), 2104 states have call predecessors, (2131), 2131 states have call successors, (2131) [2024-12-02 10:41:03,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8672 states to 8672 states and 12322 transitions. [2024-12-02 10:41:03,666 INFO L78 Accepts]: Start accepts. Automaton has 8672 states and 12322 transitions. Word has length 293 [2024-12-02 10:41:03,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:03,667 INFO L471 AbstractCegarLoop]: Abstraction has 8672 states and 12322 transitions. [2024-12-02 10:41:03,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-12-02 10:41:03,669 INFO L276 IsEmpty]: Start isEmpty. Operand 8672 states and 12322 transitions. [2024-12-02 10:41:03,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-12-02 10:41:03,685 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:03,685 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 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] [2024-12-02 10:41:03,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:41:03,686 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] === [2024-12-02 10:41:03,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:03,686 INFO L85 PathProgramCache]: Analyzing trace with hash 873601348, now seen corresponding path program 1 times [2024-12-02 10:41:03,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:03,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512590741] [2024-12-02 10:41:03,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:03,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:06,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1819 trivial. 0 not checked. [2024-12-02 10:41:06,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:06,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512590741] [2024-12-02 10:41:06,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512590741] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:06,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:06,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:41:06,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319334140] [2024-12-02 10:41:06,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:06,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:41:06,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:06,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:41:06,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:41:06,873 INFO L87 Difference]: Start difference. First operand 8672 states and 12322 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 10:41:07,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:07,407 INFO L93 Difference]: Finished difference Result 17295 states and 24720 transitions. [2024-12-02 10:41:07,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:41:07,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 298 [2024-12-02 10:41:07,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:07,506 INFO L225 Difference]: With dead ends: 17295 [2024-12-02 10:41:07,506 INFO L226 Difference]: Without dead ends: 17266 [2024-12-02 10:41:07,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:41:07,514 INFO L435 NwaCegarLoop]: 4461 mSDtfsCounter, 4155 mSDsluCounter, 13058 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4155 SdHoareTripleChecker+Valid, 17519 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:07,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4155 Valid, 17519 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:41:07,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17266 states. [2024-12-02 10:41:08,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17266 to 17266. [2024-12-02 10:41:08,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17266 states, 12345 states have (on average 1.3012555690562981) internal successors, (16064), 12545 states have internal predecessors, (16064), 4240 states have call successors, (4240), 682 states have call predecessors, (4240), 680 states have return successors, (4380), 4182 states have call predecessors, (4380), 4236 states have call successors, (4380) [2024-12-02 10:41:08,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17266 states to 17266 states and 24684 transitions. [2024-12-02 10:41:08,132 INFO L78 Accepts]: Start accepts. Automaton has 17266 states and 24684 transitions. Word has length 298 [2024-12-02 10:41:08,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:08,133 INFO L471 AbstractCegarLoop]: Abstraction has 17266 states and 24684 transitions. [2024-12-02 10:41:08,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 10:41:08,133 INFO L276 IsEmpty]: Start isEmpty. Operand 17266 states and 24684 transitions. [2024-12-02 10:41:08,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2024-12-02 10:41:08,197 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:08,197 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 25, 25, 25, 25, 25, 25, 6, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:41:08,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:41:08,197 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] === [2024-12-02 10:41:08,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:08,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1552930349, now seen corresponding path program 1 times [2024-12-02 10:41:08,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:08,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158396660] [2024-12-02 10:41:08,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:08,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3453 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3445 trivial. 0 not checked. [2024-12-02 10:41:11,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:11,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158396660] [2024-12-02 10:41:11,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158396660] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:11,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:11,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:41:11,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487553974] [2024-12-02 10:41:11,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:11,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:41:11,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:11,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:41:11,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:41:11,141 INFO L87 Difference]: Start difference. First operand 17266 states and 24684 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (68), 3 states have call predecessors, (68), 3 states have call successors, (68) [2024-12-02 10:41:15,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:41:16,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:16,487 INFO L93 Difference]: Finished difference Result 50248 states and 71795 transitions. [2024-12-02 10:41:16,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:41:16,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (68), 3 states have call predecessors, (68), 3 states have call successors, (68) Word has length 636 [2024-12-02 10:41:16,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:16,670 INFO L225 Difference]: With dead ends: 50248 [2024-12-02 10:41:16,670 INFO L226 Difference]: Without dead ends: 33025 [2024-12-02 10:41:16,756 INFO L434 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 [2024-12-02 10:41:16,757 INFO L435 NwaCegarLoop]: 5621 mSDtfsCounter, 3753 mSDsluCounter, 4114 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3753 SdHoareTripleChecker+Valid, 9735 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:16,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3753 Valid, 9735 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 10:41:16,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33025 states. [2024-12-02 10:41:17,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33025 to 33000. [2024-12-02 10:41:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33000 states, 23532 states have (on average 1.2979772225055244) internal successors, (30544), 23927 states have internal predecessors, (30544), 8138 states have call successors, (8138), 1331 states have call predecessors, (8138), 1329 states have return successors, (8293), 8023 states have call predecessors, (8293), 8134 states have call successors, (8293) [2024-12-02 10:41:17,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33000 states to 33000 states and 46975 transitions. [2024-12-02 10:41:17,946 INFO L78 Accepts]: Start accepts. Automaton has 33000 states and 46975 transitions. Word has length 636 [2024-12-02 10:41:17,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:17,946 INFO L471 AbstractCegarLoop]: Abstraction has 33000 states and 46975 transitions. [2024-12-02 10:41:17,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (68), 3 states have call predecessors, (68), 3 states have call successors, (68) [2024-12-02 10:41:17,947 INFO L276 IsEmpty]: Start isEmpty. Operand 33000 states and 46975 transitions. [2024-12-02 10:41:18,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2024-12-02 10:41:18,032 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:18,032 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 25, 25, 25, 25, 25, 25, 8, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:41:18,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 10:41:18,033 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] === [2024-12-02 10:41:18,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:18,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1775874584, now seen corresponding path program 1 times [2024-12-02 10:41:18,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:18,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990491939] [2024-12-02 10:41:18,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:18,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:20,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3606 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3598 trivial. 0 not checked. [2024-12-02 10:41:20,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:20,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990491939] [2024-12-02 10:41:20,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990491939] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:20,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:20,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:41:20,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337048736] [2024-12-02 10:41:20,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:20,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:41:20,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:20,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:41:20,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:41:20,862 INFO L87 Difference]: Start difference. First operand 33000 states and 46975 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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) [2024-12-02 10:41:24,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:41:26,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:26,198 INFO L93 Difference]: Finished difference Result 73857 states and 105011 transitions. [2024-12-02 10:41:26,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:41:26,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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 634 [2024-12-02 10:41:26,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:26,504 INFO L225 Difference]: With dead ends: 73857 [2024-12-02 10:41:26,504 INFO L226 Difference]: Without dead ends: 40900 [2024-12-02 10:41:26,625 INFO L434 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 [2024-12-02 10:41:26,626 INFO L435 NwaCegarLoop]: 6184 mSDtfsCounter, 4038 mSDsluCounter, 4152 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4038 SdHoareTripleChecker+Valid, 10336 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:26,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4038 Valid, 10336 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 60 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 10:41:26,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40900 states. [2024-12-02 10:41:28,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40900 to 40883. [2024-12-02 10:41:28,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40883 states, 29407 states have (on average 1.2999625939402184) internal successors, (38228), 29909 states have internal predecessors, (38228), 9777 states have call successors, (9777), 1702 states have call predecessors, (9777), 1698 states have return successors, (9969), 9625 states have call predecessors, (9969), 9773 states have call successors, (9969) [2024-12-02 10:41:28,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40883 states to 40883 states and 57974 transitions. [2024-12-02 10:41:28,360 INFO L78 Accepts]: Start accepts. Automaton has 40883 states and 57974 transitions. Word has length 634 [2024-12-02 10:41:28,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:28,361 INFO L471 AbstractCegarLoop]: Abstraction has 40883 states and 57974 transitions. [2024-12-02 10:41:28,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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) [2024-12-02 10:41:28,361 INFO L276 IsEmpty]: Start isEmpty. Operand 40883 states and 57974 transitions. [2024-12-02 10:41:28,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2024-12-02 10:41:28,446 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:28,446 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 25, 25, 25, 25, 25, 25, 9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:41:28,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 10:41:28,446 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] === [2024-12-02 10:41:28,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:28,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1326268150, now seen corresponding path program 1 times [2024-12-02 10:41:28,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:28,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146425181] [2024-12-02 10:41:28,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:28,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:31,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3638 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 3620 trivial. 0 not checked. [2024-12-02 10:41:31,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:31,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146425181] [2024-12-02 10:41:31,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146425181] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:31,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:31,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:41:31,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605921258] [2024-12-02 10:41:31,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:31,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:41:31,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:31,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:41:31,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:41:31,434 INFO L87 Difference]: Start difference. First operand 40883 states and 57974 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 3 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2024-12-02 10:41:35,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:41:37,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:37,140 INFO L93 Difference]: Finished difference Result 97537 states and 138368 transitions. [2024-12-02 10:41:37,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:41:37,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 3 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) Word has length 642 [2024-12-02 10:41:37,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:37,518 INFO L225 Difference]: With dead ends: 97537 [2024-12-02 10:41:37,518 INFO L226 Difference]: Without dead ends: 58168 [2024-12-02 10:41:37,682 INFO L434 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 [2024-12-02 10:41:37,683 INFO L435 NwaCegarLoop]: 8210 mSDtfsCounter, 4020 mSDsluCounter, 4156 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4020 SdHoareTripleChecker+Valid, 12366 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:37,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4020 Valid, 12366 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 10:41:37,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58168 states. [2024-12-02 10:41:39,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58168 to 58151. [2024-12-02 10:41:39,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58151 states, 41931 states have (on average 1.3008513987264791) internal successors, (54546), 42651 states have internal predecessors, (54546), 13789 states have call successors, (13789), 2436 states have call predecessors, (13789), 2430 states have return successors, (14071), 13569 states have call predecessors, (14071), 13785 states have call successors, (14071) [2024-12-02 10:41:39,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58151 states to 58151 states and 82406 transitions. [2024-12-02 10:41:39,615 INFO L78 Accepts]: Start accepts. Automaton has 58151 states and 82406 transitions. Word has length 642 [2024-12-02 10:41:39,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:39,616 INFO L471 AbstractCegarLoop]: Abstraction has 58151 states and 82406 transitions. [2024-12-02 10:41:39,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 3 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2024-12-02 10:41:39,616 INFO L276 IsEmpty]: Start isEmpty. Operand 58151 states and 82406 transitions. [2024-12-02 10:41:39,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2024-12-02 10:41:39,732 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:39,733 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 25, 25, 25, 25, 25, 25, 11, 11, 11, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:41:39,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 10:41:39,733 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] === [2024-12-02 10:41:39,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:39,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1230143687, now seen corresponding path program 1 times [2024-12-02 10:41:39,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:39,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152091382] [2024-12-02 10:41:39,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:39,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:43,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3951 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3912 trivial. 0 not checked. [2024-12-02 10:41:43,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:43,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152091382] [2024-12-02 10:41:43,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152091382] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:43,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:43,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:41:43,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431019051] [2024-12-02 10:41:43,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:43,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:41:43,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:43,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:41:43,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:41:43,030 INFO L87 Difference]: Start difference. First operand 58151 states and 82406 transitions. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 3 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2024-12-02 10:41:47,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:41:49,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:49,461 INFO L93 Difference]: Finished difference Result 132049 states and 187176 transitions. [2024-12-02 10:41:49,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:41:49,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 3 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) Word has length 691 [2024-12-02 10:41:49,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:49,767 INFO L225 Difference]: With dead ends: 132049 [2024-12-02 10:41:49,767 INFO L226 Difference]: Without dead ends: 75412 [2024-12-02 10:41:49,937 INFO L434 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 [2024-12-02 10:41:49,938 INFO L435 NwaCegarLoop]: 8239 mSDtfsCounter, 4026 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4026 SdHoareTripleChecker+Valid, 12401 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:49,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4026 Valid, 12401 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 57 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 10:41:49,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75412 states. [2024-12-02 10:41:51,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75412 to 75395. [2024-12-02 10:41:52,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75395 states, 54431 states have (on average 1.301464239128438) internal successors, (70840), 55369 states have internal predecessors, (70840), 17801 states have call successors, (17801), 3170 states have call predecessors, (17801), 3162 states have return successors, (18173), 17513 states have call predecessors, (18173), 17797 states have call successors, (18173) [2024-12-02 10:41:52,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75395 states to 75395 states and 106814 transitions. [2024-12-02 10:41:52,368 INFO L78 Accepts]: Start accepts. Automaton has 75395 states and 106814 transitions. Word has length 691 [2024-12-02 10:41:52,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:52,369 INFO L471 AbstractCegarLoop]: Abstraction has 75395 states and 106814 transitions. [2024-12-02 10:41:52,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 3 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2024-12-02 10:41:52,369 INFO L276 IsEmpty]: Start isEmpty. Operand 75395 states and 106814 transitions. [2024-12-02 10:41:52,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2024-12-02 10:41:52,509 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:52,510 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 25, 25, 25, 25, 25, 25, 11, 11, 11, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:41:52,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 10:41:52,510 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:52,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:52,510 INFO L85 PathProgramCache]: Analyzing trace with hash -356521353, now seen corresponding path program 1 times [2024-12-02 10:41:52,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:52,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638493849] [2024-12-02 10:41:52,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:52,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3951 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3932 trivial. 0 not checked. [2024-12-02 10:41:55,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:55,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638493849] [2024-12-02 10:41:55,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638493849] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:55,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:55,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:41:55,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279988370] [2024-12-02 10:41:55,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:55,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:41:55,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:55,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:41:55,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:41:55,571 INFO L87 Difference]: Start difference. First operand 75395 states and 106814 transitions. Second operand has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 4 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (76), 4 states have call predecessors, (76), 4 states have call successors, (76) [2024-12-02 10:41:59,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:42:09,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:09,618 INFO L93 Difference]: Finished difference Result 149276 states and 212200 transitions. [2024-12-02 10:42:09,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:42:09,619 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 4 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (76), 4 states have call predecessors, (76), 4 states have call successors, (76) Word has length 691 [2024-12-02 10:42:09,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:10,099 INFO L225 Difference]: With dead ends: 149276 [2024-12-02 10:42:10,100 INFO L226 Difference]: Without dead ends: 75395 [2024-12-02 10:42:10,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:42:10,432 INFO L435 NwaCegarLoop]: 4208 mSDtfsCounter, 4106 mSDsluCounter, 2733 mSDsCounter, 0 mSdLazyCounter, 1476 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4106 SdHoareTripleChecker+Valid, 6941 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1476 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:10,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4106 Valid, 6941 Invalid, 1478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1476 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2024-12-02 10:42:10,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75395 states. [2024-12-02 10:42:13,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75395 to 75395. [2024-12-02 10:42:13,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75395 states, 54431 states have (on average 1.3010968014550532) internal successors, (70820), 55369 states have internal predecessors, (70820), 17801 states have call successors, (17801), 3170 states have call predecessors, (17801), 3162 states have return successors, (18173), 17513 states have call predecessors, (18173), 17797 states have call successors, (18173) [2024-12-02 10:42:13,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75395 states to 75395 states and 106794 transitions. [2024-12-02 10:42:13,602 INFO L78 Accepts]: Start accepts. Automaton has 75395 states and 106794 transitions. Word has length 691 [2024-12-02 10:42:13,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:13,603 INFO L471 AbstractCegarLoop]: Abstraction has 75395 states and 106794 transitions. [2024-12-02 10:42:13,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 4 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (76), 4 states have call predecessors, (76), 4 states have call successors, (76) [2024-12-02 10:42:13,603 INFO L276 IsEmpty]: Start isEmpty. Operand 75395 states and 106794 transitions. [2024-12-02 10:42:13,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2024-12-02 10:42:13,743 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:13,743 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 25, 25, 25, 25, 25, 25, 11, 11, 11, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:42:13,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 10:42:13,743 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:42:13,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:13,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1272224768, now seen corresponding path program 1 times [2024-12-02 10:42:13,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:13,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585394746] [2024-12-02 10:42:13,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:13,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:17,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3951 backedges. 57 proven. 10 refuted. 0 times theorem prover too weak. 3884 trivial. 0 not checked. [2024-12-02 10:42:17,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:17,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585394746] [2024-12-02 10:42:17,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585394746] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:17,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342800914] [2024-12-02 10:42:17,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:17,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:17,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:17,789 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:17,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:42:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:21,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 5031 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-02 10:42:21,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3951 backedges. 1698 proven. 28 refuted. 0 times theorem prover too weak. 2225 trivial. 0 not checked. [2024-12-02 10:42:26,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:42:31,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3951 backedges. 48 proven. 31 refuted. 0 times theorem prover too weak. 3872 trivial. 0 not checked. [2024-12-02 10:42:31,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342800914] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:42:31,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:42:31,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 17, 17] total 27 [2024-12-02 10:42:31,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220013192] [2024-12-02 10:42:31,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:42:31,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-02 10:42:31,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:31,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-02 10:42:31,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=633, Unknown=0, NotChecked=0, Total=702 [2024-12-02 10:42:31,755 INFO L87 Difference]: Start difference. First operand 75395 states and 106794 transitions. Second operand has 27 states, 26 states have (on average 18.76923076923077) internal successors, (488), 24 states have internal predecessors, (488), 7 states have call successors, (164), 3 states have call predecessors, (164), 10 states have return successors, (166), 9 states have call predecessors, (166), 7 states have call successors, (166) [2024-12-02 10:42:35,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:42:39,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:42:58,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:58,369 INFO L93 Difference]: Finished difference Result 223340 states and 318020 transitions. [2024-12-02 10:42:58,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-02 10:42:58,370 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 18.76923076923077) internal successors, (488), 24 states have internal predecessors, (488), 7 states have call successors, (164), 3 states have call predecessors, (164), 10 states have return successors, (166), 9 states have call predecessors, (166), 7 states have call successors, (166) Word has length 692 [2024-12-02 10:42:58,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:59,103 INFO L225 Difference]: With dead ends: 223340 [2024-12-02 10:42:59,103 INFO L226 Difference]: Without dead ends: 149451 [2024-12-02 10:42:59,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1407 GetRequests, 1365 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=152, Invalid=1740, Unknown=0, NotChecked=0, Total=1892 [2024-12-02 10:42:59,417 INFO L435 NwaCegarLoop]: 4201 mSDtfsCounter, 3908 mSDsluCounter, 82333 mSDsCounter, 0 mSdLazyCounter, 2791 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3957 SdHoareTripleChecker+Valid, 86534 SdHoareTripleChecker+Invalid, 2809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2791 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:59,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3957 Valid, 86534 Invalid, 2809 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [16 Valid, 2791 Invalid, 2 Unknown, 0 Unchecked, 20.6s Time] [2024-12-02 10:42:59,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149451 states. [2024-12-02 10:43:03,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149451 to 149267. [2024-12-02 10:43:04,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149267 states, 107733 states have (on average 1.300752786982633) internal successors, (140134), 109619 states have internal predecessors, (140134), 35209 states have call successors, (35209), 6258 states have call predecessors, (35209), 6324 states have return successors, (36376), 34691 states have call predecessors, (36376), 35205 states have call successors, (36376) [2024-12-02 10:43:04,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149267 states to 149267 states and 211719 transitions. [2024-12-02 10:43:04,884 INFO L78 Accepts]: Start accepts. Automaton has 149267 states and 211719 transitions. Word has length 692 [2024-12-02 10:43:04,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:43:04,885 INFO L471 AbstractCegarLoop]: Abstraction has 149267 states and 211719 transitions. [2024-12-02 10:43:04,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 18.76923076923077) internal successors, (488), 24 states have internal predecessors, (488), 7 states have call successors, (164), 3 states have call predecessors, (164), 10 states have return successors, (166), 9 states have call predecessors, (166), 7 states have call successors, (166) [2024-12-02 10:43:04,885 INFO L276 IsEmpty]: Start isEmpty. Operand 149267 states and 211719 transitions. [2024-12-02 10:43:05,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2024-12-02 10:43:05,217 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:43:05,218 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 25, 25, 25, 25, 25, 24, 13, 13, 13, 6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:43:05,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:43:05,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 10:43:05,419 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:43:05,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:43:05,419 INFO L85 PathProgramCache]: Analyzing trace with hash -428584912, now seen corresponding path program 1 times [2024-12-02 10:43:05,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:43:05,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005317761] [2024-12-02 10:43:05,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:43:05,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:43:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:43:08,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4061 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 4017 trivial. 0 not checked. [2024-12-02 10:43:08,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:43:08,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005317761] [2024-12-02 10:43:08,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005317761] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:43:08,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:43:08,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:43:08,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290412424] [2024-12-02 10:43:08,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:43:08,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:43:08,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:43:08,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:43:08,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:43:08,212 INFO L87 Difference]: Start difference. First operand 149267 states and 211719 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 3 states have call successors, (83), 2 states have call predecessors, (83), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 10:43:12,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:43:19,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:43:19,490 INFO L93 Difference]: Finished difference Result 332685 states and 471631 transitions. [2024-12-02 10:43:19,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:43:19,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 3 states have call successors, (83), 2 states have call predecessors, (83), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) Word has length 740 [2024-12-02 10:43:19,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:43:20,439 INFO L225 Difference]: With dead ends: 332685 [2024-12-02 10:43:20,439 INFO L226 Difference]: Without dead ends: 184932 [2024-12-02 10:43:20,913 INFO L434 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 [2024-12-02 10:43:20,914 INFO L435 NwaCegarLoop]: 7160 mSDtfsCounter, 4043 mSDsluCounter, 4148 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4043 SdHoareTripleChecker+Valid, 11308 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:43:20,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4043 Valid, 11308 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 60 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 10:43:21,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184932 states. [2024-12-02 10:43:26,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184932 to 184873. [2024-12-02 10:43:26,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184873 states, 133465 states have (on average 1.3000262241036975) internal successors, (173508), 135801 states have internal predecessors, (173508), 43447 states have call successors, (43447), 7882 states have call predecessors, (43447), 7960 states have return successors, (44866), 42795 states have call predecessors, (44866), 43443 states have call successors, (44866) [2024-12-02 10:43:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184873 states to 184873 states and 261821 transitions. [2024-12-02 10:43:27,604 INFO L78 Accepts]: Start accepts. Automaton has 184873 states and 261821 transitions. Word has length 740 [2024-12-02 10:43:27,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:43:27,604 INFO L471 AbstractCegarLoop]: Abstraction has 184873 states and 261821 transitions. [2024-12-02 10:43:27,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 3 states have call successors, (83), 2 states have call predecessors, (83), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 10:43:27,604 INFO L276 IsEmpty]: Start isEmpty. Operand 184873 states and 261821 transitions. [2024-12-02 10:43:27,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2024-12-02 10:43:27,881 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:43:27,881 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 26, 26, 26, 26, 26, 26, 12, 12, 12, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:43:27,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 10:43:27,881 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:43:27,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:43:27,882 INFO L85 PathProgramCache]: Analyzing trace with hash 867396503, now seen corresponding path program 1 times [2024-12-02 10:43:27,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:43:27,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964523066] [2024-12-02 10:43:27,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:43:27,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:43:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:43:30,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4251 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4237 trivial. 0 not checked. [2024-12-02 10:43:30,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:43:30,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964523066] [2024-12-02 10:43:30,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964523066] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:43:30,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:43:30,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:43:30,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397468833] [2024-12-02 10:43:30,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:43:30,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:43:30,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:43:30,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:43:30,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:43:30,929 INFO L87 Difference]: Start difference. First operand 184873 states and 261821 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) [2024-12-02 10:43:34,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:43:41,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:43:41,978 INFO L93 Difference]: Finished difference Result 413122 states and 585153 transitions. [2024-12-02 10:43:41,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:43:41,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) Word has length 720 [2024-12-02 10:43:41,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:43:43,052 INFO L225 Difference]: With dead ends: 413122 [2024-12-02 10:43:43,052 INFO L226 Difference]: Without dead ends: 181368 [2024-12-02 10:43:43,794 INFO L434 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 [2024-12-02 10:43:43,795 INFO L435 NwaCegarLoop]: 8265 mSDtfsCounter, 4025 mSDsluCounter, 4184 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4025 SdHoareTripleChecker+Valid, 12449 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:43:43,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4025 Valid, 12449 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 10:43:43,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181368 states. [2024-12-02 10:43:50,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181368 to 181358. [2024-12-02 10:43:50,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181358 states, 130899 states have (on average 1.2995439231774115) internal successors, (170109), 133137 states have internal predecessors, (170109), 42638 states have call successors, (42638), 7734 states have call predecessors, (42638), 7820 states have return successors, (44057), 42064 states have call predecessors, (44057), 42634 states have call successors, (44057) [2024-12-02 10:43:51,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181358 states to 181358 states and 256804 transitions. [2024-12-02 10:43:51,462 INFO L78 Accepts]: Start accepts. Automaton has 181358 states and 256804 transitions. Word has length 720 [2024-12-02 10:43:51,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:43:51,463 INFO L471 AbstractCegarLoop]: Abstraction has 181358 states and 256804 transitions. [2024-12-02 10:43:51,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) [2024-12-02 10:43:51,463 INFO L276 IsEmpty]: Start isEmpty. Operand 181358 states and 256804 transitions. [2024-12-02 10:43:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 745 [2024-12-02 10:43:51,745 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:43:51,745 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 26, 26, 26, 26, 26, 26, 13, 13, 13, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:43:51,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 10:43:51,746 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:43:51,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:43:51,747 INFO L85 PathProgramCache]: Analyzing trace with hash 483572573, now seen corresponding path program 1 times [2024-12-02 10:43:51,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:43:51,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489788844] [2024-12-02 10:43:51,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:43:51,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:43:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:43:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4540 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 4466 trivial. 0 not checked. [2024-12-02 10:43:56,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:43:56,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489788844] [2024-12-02 10:43:56,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489788844] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:43:56,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520611510] [2024-12-02 10:43:56,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:43:56,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:43:56,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:43:56,605 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:43:56,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:44:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:44:00,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 5242 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 10:44:00,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:44:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4540 backedges. 207 proven. 4 refuted. 0 times theorem prover too weak. 4329 trivial. 0 not checked. [2024-12-02 10:44:00,865 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:44:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4540 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 4483 trivial. 0 not checked. [2024-12-02 10:44:05,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520611510] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 10:44:05,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 10:44:05,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7, 7] total 16 [2024-12-02 10:44:05,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716443003] [2024-12-02 10:44:05,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:44:05,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:44:05,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:44:05,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:44:05,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-12-02 10:44:05,251 INFO L87 Difference]: Start difference. First operand 181358 states and 256804 transitions. Second operand has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 7 states have internal predecessors, (237), 4 states have call successors, (83), 3 states have call predecessors, (83), 3 states have return successors, (81), 4 states have call predecessors, (81), 4 states have call successors, (81) [2024-12-02 10:44:09,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:44:13,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:44:17,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:45:39,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:45:39,139 INFO L93 Difference]: Finished difference Result 455413 states and 648570 transitions. [2024-12-02 10:45:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 10:45:39,140 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 7 states have internal predecessors, (237), 4 states have call successors, (83), 3 states have call predecessors, (83), 3 states have return successors, (81), 4 states have call predecessors, (81), 4 states have call successors, (81) Word has length 744 [2024-12-02 10:45:39,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:45:40,903 INFO L225 Difference]: With dead ends: 455413 [2024-12-02 10:45:40,903 INFO L226 Difference]: Without dead ends: 275537 [2024-12-02 10:45:41,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1502 GetRequests, 1481 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2024-12-02 10:45:41,428 INFO L435 NwaCegarLoop]: 6585 mSDtfsCounter, 12313 mSDsluCounter, 9807 mSDsCounter, 0 mSdLazyCounter, 15164 mSolverCounterSat, 1854 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13355 SdHoareTripleChecker+Valid, 16392 SdHoareTripleChecker+Invalid, 17021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1854 IncrementalHoareTripleChecker+Valid, 15164 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.7s IncrementalHoareTripleChecker+Time [2024-12-02 10:45:41,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13355 Valid, 16392 Invalid, 17021 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1854 Valid, 15164 Invalid, 3 Unknown, 0 Unchecked, 82.7s Time] [2024-12-02 10:45:41,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275537 states. [2024-12-02 10:45:50,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275537 to 215908. [2024-12-02 10:45:50,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215908 states, 156013 states have (on average 1.3002762590296963) internal successors, (202860), 158665 states have internal predecessors, (202860), 50582 states have call successors, (50582), 9204 states have call predecessors, (50582), 9312 states have return successors, (52261), 49920 states have call predecessors, (52261), 50578 states have call successors, (52261) [2024-12-02 10:45:51,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215908 states to 215908 states and 305703 transitions. [2024-12-02 10:45:51,948 INFO L78 Accepts]: Start accepts. Automaton has 215908 states and 305703 transitions. Word has length 744 [2024-12-02 10:45:51,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:45:51,949 INFO L471 AbstractCegarLoop]: Abstraction has 215908 states and 305703 transitions. [2024-12-02 10:45:51,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 7 states have internal predecessors, (237), 4 states have call successors, (83), 3 states have call predecessors, (83), 3 states have return successors, (81), 4 states have call predecessors, (81), 4 states have call successors, (81) [2024-12-02 10:45:51,949 INFO L276 IsEmpty]: Start isEmpty. Operand 215908 states and 305703 transitions. [2024-12-02 10:45:52,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2024-12-02 10:45:52,268 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:45:52,269 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 26, 26, 26, 26, 26, 26, 14, 14, 14, 6, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:45:52,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 10:45:52,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 10:45:52,469 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:45:52,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:45:52,470 INFO L85 PathProgramCache]: Analyzing trace with hash -2078746079, now seen corresponding path program 1 times [2024-12-02 10:45:52,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:45:52,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553713167] [2024-12-02 10:45:52,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:45:52,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:45:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:45:55,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 4806 trivial. 0 not checked. [2024-12-02 10:45:55,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:45:55,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553713167] [2024-12-02 10:45:55,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553713167] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:45:55,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:45:55,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 10:45:55,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469224771] [2024-12-02 10:45:55,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:45:55,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:45:55,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:45:55,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:45:55,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:45:55,466 INFO L87 Difference]: Start difference. First operand 215908 states and 305703 transitions. Second operand has 8 states, 8 states have (on average 31.0) internal successors, (248), 8 states have internal predecessors, (248), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) [2024-12-02 10:46:03,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:46:03,670 INFO L93 Difference]: Finished difference Result 431282 states and 612663 transitions. [2024-12-02 10:46:03,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 10:46:03,671 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 31.0) internal successors, (248), 8 states have internal predecessors, (248), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) Word has length 773 [2024-12-02 10:46:03,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:46:04,927 INFO L225 Difference]: With dead ends: 431282 [2024-12-02 10:46:04,927 INFO L226 Difference]: Without dead ends: 216888 [2024-12-02 10:46:05,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-02 10:46:05,836 INFO L435 NwaCegarLoop]: 4206 mSDtfsCounter, 9 mSDsluCounter, 25187 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 29393 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:46:05,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 29393 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 10:46:05,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216888 states. [2024-12-02 10:46:13,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216888 to 216468. [2024-12-02 10:46:13,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216468 states, 156517 states have (on average 1.299667128810289) internal successors, (203420), 159169 states have internal predecessors, (203420), 50638 states have call successors, (50638), 9204 states have call predecessors, (50638), 9312 states have return successors, (52317), 49976 states have call predecessors, (52317), 50634 states have call successors, (52317) [2024-12-02 10:46:14,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216468 states to 216468 states and 306375 transitions. [2024-12-02 10:46:15,252 INFO L78 Accepts]: Start accepts. Automaton has 216468 states and 306375 transitions. Word has length 773 [2024-12-02 10:46:15,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:46:15,254 INFO L471 AbstractCegarLoop]: Abstraction has 216468 states and 306375 transitions. [2024-12-02 10:46:15,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 31.0) internal successors, (248), 8 states have internal predecessors, (248), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) [2024-12-02 10:46:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 216468 states and 306375 transitions. [2024-12-02 10:46:15,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 817 [2024-12-02 10:46:15,728 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:46:15,728 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 26, 26, 26, 26, 26, 26, 14, 14, 14, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:46:15,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 10:46:15,729 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:46:15,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:46:15,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1168989062, now seen corresponding path program 1 times [2024-12-02 10:46:15,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:46:15,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966066785] [2024-12-02 10:46:15,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:46:15,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:46:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:46:21,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4939 backedges. 98 proven. 13 refuted. 0 times theorem prover too weak. 4828 trivial. 0 not checked. [2024-12-02 10:46:21,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:46:21,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966066785] [2024-12-02 10:46:21,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966066785] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:46:21,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835899691] [2024-12-02 10:46:21,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:46:21,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:46:21,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:46:21,244 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:46:21,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 10:46:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:46:25,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 5514 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 10:46:25,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:46:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4939 backedges. 1900 proven. 0 refuted. 0 times theorem prover too weak. 3039 trivial. 0 not checked. [2024-12-02 10:46:25,757 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:46:25,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835899691] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:46:25,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:46:25,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2024-12-02 10:46:25,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019309572] [2024-12-02 10:46:25,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:46:25,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:46:25,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:46:25,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:46:25,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:46:25,759 INFO L87 Difference]: Start difference. First operand 216468 states and 306375 transitions. Second operand has 7 states, 7 states have (on average 40.0) internal successors, (280), 5 states have internal predecessors, (280), 2 states have call successors, (93), 2 states have call predecessors, (93), 4 states have return successors, (91), 4 states have call predecessors, (91), 2 states have call successors, (91) [2024-12-02 10:46:33,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:46:33,850 INFO L93 Difference]: Finished difference Result 431742 states and 613151 transitions. [2024-12-02 10:46:33,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 10:46:33,850 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 40.0) internal successors, (280), 5 states have internal predecessors, (280), 2 states have call successors, (93), 2 states have call predecessors, (93), 4 states have return successors, (91), 4 states have call predecessors, (91), 2 states have call successors, (91) Word has length 816 [2024-12-02 10:46:33,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:46:35,198 INFO L225 Difference]: With dead ends: 431742 [2024-12-02 10:46:35,198 INFO L226 Difference]: Without dead ends: 216788 [2024-12-02 10:46:35,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 823 GetRequests, 818 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:46:35,943 INFO L435 NwaCegarLoop]: 4207 mSDtfsCounter, 0 mSDsluCounter, 21025 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25232 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:46:35,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25232 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:46:36,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216788 states. [2024-12-02 10:46:44,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216788 to 216748. [2024-12-02 10:46:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216748 states, 156741 states have (on average 1.299238871769352) internal successors, (203644), 159337 states have internal predecessors, (203644), 50638 states have call successors, (50638), 9204 states have call predecessors, (50638), 9368 states have return successors, (52477), 50088 states have call predecessors, (52477), 50634 states have call successors, (52477) [2024-12-02 10:46:45,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216748 states to 216748 states and 306759 transitions. [2024-12-02 10:46:45,484 INFO L78 Accepts]: Start accepts. Automaton has 216748 states and 306759 transitions. Word has length 816 [2024-12-02 10:46:45,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:46:45,484 INFO L471 AbstractCegarLoop]: Abstraction has 216748 states and 306759 transitions. [2024-12-02 10:46:45,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 40.0) internal successors, (280), 5 states have internal predecessors, (280), 2 states have call successors, (93), 2 states have call predecessors, (93), 4 states have return successors, (91), 4 states have call predecessors, (91), 2 states have call successors, (91) [2024-12-02 10:46:45,485 INFO L276 IsEmpty]: Start isEmpty. Operand 216748 states and 306759 transitions. [2024-12-02 10:46:45,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 833 [2024-12-02 10:46:45,835 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:46:45,835 INFO L218 NwaCegarLoop]: trace histogram [39, 39, 25, 25, 25, 25, 25, 23, 18, 18, 18, 8, 8, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:46:45,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 10:46:46,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 10:46:46,036 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:46:46,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:46:46,036 INFO L85 PathProgramCache]: Analyzing trace with hash -373426616, now seen corresponding path program 1 times [2024-12-02 10:46:46,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:46:46,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623173477] [2024-12-02 10:46:46,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:46:46,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:46:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:46:51,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4959 backedges. 100 proven. 6 refuted. 0 times theorem prover too weak. 4853 trivial. 0 not checked. [2024-12-02 10:46:51,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:46:51,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623173477] [2024-12-02 10:46:51,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623173477] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:46:51,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437165222] [2024-12-02 10:46:51,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:46:51,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:46:51,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:46:51,370 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:46:51,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 10:46:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:46:55,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 5551 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 10:46:55,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:46:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4959 backedges. 1345 proven. 0 refuted. 0 times theorem prover too weak. 3614 trivial. 0 not checked. [2024-12-02 10:46:56,032 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:46:56,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437165222] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:46:56,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:46:56,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-12-02 10:46:56,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56160058] [2024-12-02 10:46:56,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:46:56,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:46:56,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:46:56,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:46:56,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 10:46:56,034 INFO L87 Difference]: Start difference. First operand 216748 states and 306759 transitions. Second operand has 5 states, 5 states have (on average 55.8) internal successors, (279), 5 states have internal predecessors, (279), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (92), 2 states have call predecessors, (92), 2 states have call successors, (92) [2024-12-02 10:47:03,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:47:03,513 INFO L93 Difference]: Finished difference Result 432150 states and 613655 transitions. [2024-12-02 10:47:03,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:47:03,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 55.8) internal successors, (279), 5 states have internal predecessors, (279), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (92), 2 states have call predecessors, (92), 2 states have call successors, (92) Word has length 832 [2024-12-02 10:47:03,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:47:04,981 INFO L225 Difference]: With dead ends: 432150 [2024-12-02 10:47:04,981 INFO L226 Difference]: Without dead ends: 216916 [2024-12-02 10:47:05,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 837 GetRequests, 830 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 10:47:05,793 INFO L435 NwaCegarLoop]: 4206 mSDtfsCounter, 0 mSDsluCounter, 12593 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16799 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:47:05,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16799 Invalid, 36 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:47:05,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216916 states. [2024-12-02 10:47:15,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216916 to 216916. [2024-12-02 10:47:15,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216916 states, 156909 states have (on average 1.2989184814127934) internal successors, (203812), 159505 states have internal predecessors, (203812), 50638 states have call successors, (50638), 9204 states have call predecessors, (50638), 9368 states have return successors, (52477), 50088 states have call predecessors, (52477), 50634 states have call successors, (52477) [2024-12-02 10:47:16,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216916 states to 216916 states and 306927 transitions. [2024-12-02 10:47:16,420 INFO L78 Accepts]: Start accepts. Automaton has 216916 states and 306927 transitions. Word has length 832 [2024-12-02 10:47:16,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:47:16,421 INFO L471 AbstractCegarLoop]: Abstraction has 216916 states and 306927 transitions. [2024-12-02 10:47:16,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 55.8) internal successors, (279), 5 states have internal predecessors, (279), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (92), 2 states have call predecessors, (92), 2 states have call successors, (92) [2024-12-02 10:47:16,421 INFO L276 IsEmpty]: Start isEmpty. Operand 216916 states and 306927 transitions. [2024-12-02 10:47:16,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 854 [2024-12-02 10:47:16,783 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:47:16,783 INFO L218 NwaCegarLoop]: trace histogram [39, 39, 25, 25, 25, 25, 25, 23, 20, 20, 20, 9, 9, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:47:16,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 10:47:16,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-02 10:47:16,984 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:47:16,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:47:16,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1364441721, now seen corresponding path program 1 times [2024-12-02 10:47:16,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:47:16,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225087537] [2024-12-02 10:47:16,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:47:16,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:47:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:47:21,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5139 backedges. 100 proven. 6 refuted. 0 times theorem prover too weak. 5033 trivial. 0 not checked. [2024-12-02 10:47:21,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:47:21,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225087537] [2024-12-02 10:47:21,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225087537] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:47:21,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357416852] [2024-12-02 10:47:21,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:47:21,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:47:21,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:47:21,039 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:47:21,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 10:47:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:47:26,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 5628 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 10:47:26,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:47:26,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5139 backedges. 1758 proven. 0 refuted. 0 times theorem prover too weak. 3381 trivial. 0 not checked. [2024-12-02 10:47:26,726 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:47:26,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357416852] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:47:26,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:47:26,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2024-12-02 10:47:26,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569686585] [2024-12-02 10:47:26,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:47:26,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:47:26,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:47:26,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:47:26,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:47:26,729 INFO L87 Difference]: Start difference. First operand 216916 states and 306927 transitions. Second operand has 6 states, 6 states have (on average 47.666666666666664) internal successors, (286), 5 states have internal predecessors, (286), 2 states have call successors, (98), 2 states have call predecessors, (98), 3 states have return successors, (96), 3 states have call predecessors, (96), 2 states have call successors, (96) [2024-12-02 10:47:34,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:47:34,074 INFO L93 Difference]: Finished difference Result 432502 states and 614015 transitions. [2024-12-02 10:47:34,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:47:34,075 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 47.666666666666664) internal successors, (286), 5 states have internal predecessors, (286), 2 states have call successors, (98), 2 states have call predecessors, (98), 3 states have return successors, (96), 3 states have call predecessors, (96), 2 states have call successors, (96) Word has length 853 [2024-12-02 10:47:34,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:47:35,330 INFO L225 Difference]: With dead ends: 432502 [2024-12-02 10:47:35,330 INFO L226 Difference]: Without dead ends: 217100 [2024-12-02 10:47:36,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 854 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:47:36,014 INFO L435 NwaCegarLoop]: 4206 mSDtfsCounter, 0 mSDsluCounter, 16818 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21024 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:47:36,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21024 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:47:36,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217100 states. [2024-12-02 10:47:45,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217100 to 217084. [2024-12-02 10:47:45,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217084 states, 157077 states have (on average 1.2985987763962896) internal successors, (203980), 159617 states have internal predecessors, (203980), 50638 states have call successors, (50638), 9204 states have call predecessors, (50638), 9368 states have return successors, (52477), 50144 states have call predecessors, (52477), 50634 states have call successors, (52477) [2024-12-02 10:47:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217084 states to 217084 states and 307095 transitions. [2024-12-02 10:47:46,366 INFO L78 Accepts]: Start accepts. Automaton has 217084 states and 307095 transitions. Word has length 853 [2024-12-02 10:47:46,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:47:46,366 INFO L471 AbstractCegarLoop]: Abstraction has 217084 states and 307095 transitions. [2024-12-02 10:47:46,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 47.666666666666664) internal successors, (286), 5 states have internal predecessors, (286), 2 states have call successors, (98), 2 states have call predecessors, (98), 3 states have return successors, (96), 3 states have call predecessors, (96), 2 states have call successors, (96) [2024-12-02 10:47:46,367 INFO L276 IsEmpty]: Start isEmpty. Operand 217084 states and 307095 transitions. [2024-12-02 10:47:47,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2024-12-02 10:47:47,040 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:47:47,040 INFO L218 NwaCegarLoop]: trace histogram [39, 39, 25, 25, 25, 25, 25, 23, 20, 20, 20, 9, 9, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:47:47,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 10:47:47,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-02 10:47:47,241 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:47:47,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:47:47,241 INFO L85 PathProgramCache]: Analyzing trace with hash 11176367, now seen corresponding path program 1 times [2024-12-02 10:47:47,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:47:47,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404461764] [2024-12-02 10:47:47,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:47:47,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:47:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:47:50,282 INFO L134 CoverageAnalysis]: Checked inductivity of 5137 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5106 trivial. 0 not checked. [2024-12-02 10:47:50,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:47:50,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404461764] [2024-12-02 10:47:50,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404461764] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:47:50,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:47:50,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:47:50,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419933270] [2024-12-02 10:47:50,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:47:50,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:47:50,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:47:50,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:47:50,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:47:50,283 INFO L87 Difference]: Start difference. First operand 217084 states and 307095 transitions. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 3 states have call successors, (93), 2 states have call predecessors, (93), 1 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) [2024-12-02 10:47:54,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:48:04,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:48:04,400 INFO L93 Difference]: Finished difference Result 486890 states and 688842 transitions. [2024-12-02 10:48:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:48:04,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 3 states have call successors, (93), 2 states have call predecessors, (93), 1 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) Word has length 852 [2024-12-02 10:48:04,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:48:05,958 INFO L225 Difference]: With dead ends: 486890 [2024-12-02 10:48:05,958 INFO L226 Difference]: Without dead ends: 261194 [2024-12-02 10:48:06,630 INFO L434 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 [2024-12-02 10:48:06,630 INFO L435 NwaCegarLoop]: 8257 mSDtfsCounter, 4030 mSDsluCounter, 4182 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4030 SdHoareTripleChecker+Valid, 12439 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:48:06,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4030 Valid, 12439 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 10:48:06,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261194 states. [2024-12-02 10:48:16,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261194 to 261184. [2024-12-02 10:48:16,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261184 states, 188927 states have (on average 1.2986073986248656) internal successors, (245342), 191972 states have internal predecessors, (245342), 60993 states have call successors, (60993), 11065 states have call predecessors, (60993), 11263 states have return successors, (63217), 60412 states have call predecessors, (63217), 60989 states have call successors, (63217) [2024-12-02 10:48:18,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261184 states to 261184 states and 369552 transitions. [2024-12-02 10:48:18,431 INFO L78 Accepts]: Start accepts. Automaton has 261184 states and 369552 transitions. Word has length 852 [2024-12-02 10:48:18,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:48:18,432 INFO L471 AbstractCegarLoop]: Abstraction has 261184 states and 369552 transitions. [2024-12-02 10:48:18,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 3 states have call successors, (93), 2 states have call predecessors, (93), 1 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) [2024-12-02 10:48:18,433 INFO L276 IsEmpty]: Start isEmpty. Operand 261184 states and 369552 transitions. [2024-12-02 10:48:19,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2024-12-02 10:48:19,245 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:48:19,245 INFO L218 NwaCegarLoop]: trace histogram [39, 39, 25, 25, 25, 25, 25, 23, 20, 20, 20, 9, 9, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:48:19,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 10:48:19,246 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:48:19,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:48:19,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1165945709, now seen corresponding path program 1 times [2024-12-02 10:48:19,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:48:19,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654985150] [2024-12-02 10:48:19,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:48:19,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:48:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:48:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 5137 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5106 trivial. 0 not checked. [2024-12-02 10:48:22,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:48:22,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654985150] [2024-12-02 10:48:22,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654985150] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:48:22,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:48:22,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:48:22,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087251378] [2024-12-02 10:48:22,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:48:22,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:48:22,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:48:22,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:48:22,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:48:22,877 INFO L87 Difference]: Start difference. First operand 261184 states and 369552 transitions. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 3 states have call successors, (93), 2 states have call predecessors, (93), 1 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) [2024-12-02 10:48:26,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:48:37,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:48:37,984 INFO L93 Difference]: Finished difference Result 575100 states and 813813 transitions. [2024-12-02 10:48:37,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:48:37,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 3 states have call successors, (93), 2 states have call predecessors, (93), 1 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) Word has length 852 [2024-12-02 10:48:37,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:48:40,203 INFO L225 Difference]: With dead ends: 575100 [2024-12-02 10:48:40,203 INFO L226 Difference]: Without dead ends: 315430 [2024-12-02 10:48:41,322 INFO L434 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 [2024-12-02 10:48:41,322 INFO L435 NwaCegarLoop]: 8257 mSDtfsCounter, 4013 mSDsluCounter, 4182 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4013 SdHoareTripleChecker+Valid, 12439 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:48:41,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4013 Valid, 12439 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 10:48:41,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315430 states. [2024-12-02 10:48:54,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315430 to 315430. [2024-12-02 10:48:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315430 states, 228203 states have (on average 1.2987997528516277) internal successors, (296390), 231872 states have internal predecessors, (296390), 73635 states have call successors, (73635), 13351 states have call predecessors, (73635), 13591 states have return successors, (76315), 72946 states have call predecessors, (76315), 73631 states have call successors, (76315) [2024-12-02 10:48:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315430 states to 315430 states and 446340 transitions. [2024-12-02 10:48:57,240 INFO L78 Accepts]: Start accepts. Automaton has 315430 states and 446340 transitions. Word has length 852 [2024-12-02 10:48:57,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:48:57,241 INFO L471 AbstractCegarLoop]: Abstraction has 315430 states and 446340 transitions. [2024-12-02 10:48:57,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 3 states have call successors, (93), 2 states have call predecessors, (93), 1 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) [2024-12-02 10:48:57,241 INFO L276 IsEmpty]: Start isEmpty. Operand 315430 states and 446340 transitions. [2024-12-02 10:48:57,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2024-12-02 10:48:57,854 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:48:57,854 INFO L218 NwaCegarLoop]: trace histogram [39, 39, 25, 25, 25, 25, 25, 22, 22, 22, 22, 10, 10, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:48:57,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 10:48:57,854 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:48:57,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:48:57,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1647708755, now seen corresponding path program 2 times [2024-12-02 10:48:57,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:48:57,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006327815] [2024-12-02 10:48:57,856 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:48:57,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:05,176 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 10:49:05,177 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:50:23,326 INFO L134 CoverageAnalysis]: Checked inductivity of 5340 backedges. 749 proven. 85 refuted. 0 times theorem prover too weak. 4506 trivial. 0 not checked. [2024-12-02 10:50:23,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:50:23,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006327815] [2024-12-02 10:50:23,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006327815] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:50:23,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549597083] [2024-12-02 10:50:23,327 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:50:23,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:50:23,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:50:23,329 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:50:23,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da424c1-0108-45b8-9728-99c67dffeaed/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process