./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:55:44,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:55:44,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 21:55:44,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:55:44,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:55:44,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:55:44,161 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:55:44,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:55:44,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:55:44,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:55:44,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:55:44,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:55:44,165 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:55:44,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:55:44,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:55:44,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:55:44,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:55:44,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:55:44,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:55:44,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:55:44,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:55:44,178 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:55:44,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:55:44,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:55:44,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:55:44,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:55:44,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:55:44,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:55:44,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:55:44,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:55:44,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:55:44,184 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:55:44,184 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:55:44,184 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:55:44,184 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:55:44,185 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:55:44,185 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 [2023-11-06 21:55:44,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:55:44,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:55:44,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:55:44,604 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:55:44,604 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:55:44,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2023-11-06 21:55:47,646 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:55:48,578 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:55:48,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2023-11-06 21:55:48,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/bin/uautomizer-verify-WvqO1wxjHP/data/3bb3d5dcc/0cd73dcc612146018deeb5f043ab984a/FLAG3e284a15b [2023-11-06 21:55:48,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/bin/uautomizer-verify-WvqO1wxjHP/data/3bb3d5dcc/0cd73dcc612146018deeb5f043ab984a [2023-11-06 21:55:48,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:55:48,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:55:48,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:55:48,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:55:48,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:55:48,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:55:48" (1/1) ... [2023-11-06 21:55:48,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d71ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:48, skipping insertion in model container [2023-11-06 21:55:48,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:55:48" (1/1) ... [2023-11-06 21:55:48,917 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:55:52,849 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2023-11-06 21:55:52,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:55:53,081 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:55:53,201 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"); [6540] [2023-11-06 21:55:53,203 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)); [6547] [2023-11-06 21:55:53,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6555-6556] [2023-11-06 21:55:53,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6730] [2023-11-06 21:55:53,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6737] [2023-11-06 21:55:53,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6924-6925] [2023-11-06 21:55:53,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6953-6954] [2023-11-06 21:55:53,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (84), "i" (12UL)); [6987-6988] [2023-11-06 21:55:53,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (96), "i" (12UL)); [7011-7012] [2023-11-06 21:55:53,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [7107] [2023-11-06 21:55:53,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1, %0\n adcl %2, %0\n adcl %3, %0\n adcl $0, %0\n": "=r" (sum): "g" (daddr), "g" (saddr), "g" (((int )len + (int )proto) << 8), "0" (sum)); [7115-7116] [2023-11-06 21:55:53,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (507), "i" (12UL)); [7407-7408] [2023-11-06 21:55:53,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7413] [2023-11-06 21:55:53,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9034] [2023-11-06 21:55:53,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [9051] [2023-11-06 21:55:53,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9556] [2023-11-06 21:55:53,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [9603] [2023-11-06 21:55:53,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9717] [2023-11-06 21:55:53,353 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9721] [2023-11-06 21:55:53,354 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next_rxd) [9728] [2023-11-06 21:55:53,354 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next2_buffer) [9735] [2023-11-06 21:55:53,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9884] [2023-11-06 21:55:53,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10409/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (531), "i" (12UL)); [12046-12047] [2023-11-06 21:55:53,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10409/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (689), "i" (12UL)); [12177-12178] [2023-11-06 21:55:53,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10409/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (748), "i" (12UL)); [12220-12221] [2023-11-06 21:55:53,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10409/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (749), "i" (12UL)); [12228-12229] [2023-11-06 21:55:53,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10409/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (750), "i" (12UL)); [12236-12237] [2023-11-06 21:55:53,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10409/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (777), "i" (12UL)); [12262-12263] [2023-11-06 21:55:53,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10409/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (804), "i" (12UL)); [12288-12289] [2023-11-06 21:55:53,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10409/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (841), "i" (12UL)); [12313-12314] [2023-11-06 21:55:53,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10409/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (842), "i" (12UL)); [12321-12322] [2023-11-06 21:55:53,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10409/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (843), "i" (12UL)); [12329-12330] [2023-11-06 21:55:53,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10409/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (873), "i" (12UL)); [12356-12357] [2023-11-06 21:55:53,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10409/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (900), "i" (12UL)); [12382-12383] [2023-11-06 21:55:53,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10409/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/intel/ixgb/ixgb_ee.c"), "i" (312), "i" (12UL)); [13240-13241] [2023-11-06 21:55:53,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10409/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/intel/ixgb/ixgb_param.c"), "i" (242), "i" (12UL)); [15196-15197] [2023-11-06 21:55:53,631 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2023-11-06 21:55:53,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:55:54,013 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:55:54,020 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:55:54,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:54 WrapperNode [2023-11-06 21:55:54,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:55:54,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:55:54,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:55:54,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:55:54,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:54" (1/1) ... [2023-11-06 21:55:54,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:54" (1/1) ... [2023-11-06 21:55:54,623 INFO L138 Inliner]: procedures = 450, calls = 6119, calls flagged for inlining = 204, calls inlined = 185, statements flattened = 12120 [2023-11-06 21:55:54,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:55:54,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:55:54,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:55:54,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:55:54,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:54" (1/1) ... [2023-11-06 21:55:54,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:54" (1/1) ... [2023-11-06 21:55:54,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:54" (1/1) ... [2023-11-06 21:55:54,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:54" (1/1) ... [2023-11-06 21:55:55,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:54" (1/1) ... [2023-11-06 21:55:55,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:54" (1/1) ... [2023-11-06 21:55:55,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:54" (1/1) ... [2023-11-06 21:55:55,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:54" (1/1) ... [2023-11-06 21:55:55,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:55:55,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:55:55,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:55:55,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:55:55,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:54" (1/1) ... [2023-11-06 21:55:55,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:55:55,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc757efa-4944-4a56-bd59-c939de711e4c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:55:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-06 21:55:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-06 21:55:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 21:55:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 21:55:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-06 21:55:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-06 21:55:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2023-11-06 21:55:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2023-11-06 21:55:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 21:55:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 21:55:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2023-11-06 21:55:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2023-11-06 21:55:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_error_detected [2023-11-06 21:55:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_error_detected [2023-11-06 21:55:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-06 21:55:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-06 21:55:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-11-06 21:55:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-11-06 21:55:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-06 21:55:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-06 21:55:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-06 21:55:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-06 21:55:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-06 21:55:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-06 21:55:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout_task [2023-11-06 21:55:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout_task [2023-11-06 21:55:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2023-11-06 21:55:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2023-11-06 21:55:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2023-11-06 21:55:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2023-11-06 21:55:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2023-11-06 21:55:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2023-11-06 21:55:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2023-11-06 21:55:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2023-11-06 21:55:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-06 21:55:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-06 21:55:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_features [2023-11-06 21:55:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_features [2023-11-06 21:55:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-06 21:55:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-06 21:55:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2023-11-06 21:55:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2023-11-06 21:55:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2023-11-06 21:55:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2023-11-06 21:55:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-06 21:55:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-06 21:55:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-06 21:55:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-06 21:55:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-06 21:55:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-06 21:55:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-06 21:55:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-06 21:55:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:55:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-06 21:55:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-06 21:55:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2023-11-06 21:55:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2023-11-06 21:55:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 21:55:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 21:55:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2023-11-06 21:55:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2023-11-06 21:55:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-06 21:55:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-06 21:55:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-06 21:55:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-06 21:55:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 21:55:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2023-11-06 21:55:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2023-11-06 21:55:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2023-11-06 21:55:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2023-11-06 21:55:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-06 21:55:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-06 21:55:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2023-11-06 21:55:55,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2023-11-06 21:55:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 21:55:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2023-11-06 21:55:55,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2023-11-06 21:55:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2023-11-06 21:55:55,500 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2023-11-06 21:55:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2023-11-06 21:55:55,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2023-11-06 21:55:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:55:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2023-11-06 21:55:55,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2023-11-06 21:55:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-06 21:55:55,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-06 21:55:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-06 21:55:55,502 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-06 21:55:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 21:55:55,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 21:55:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-06 21:55:55,504 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-06 21:55:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-06 21:55:55,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-06 21:55:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2023-11-06 21:55:55,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2023-11-06 21:55:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-06 21:55:55,504 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-06 21:55:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-06 21:55:55,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-06 21:55:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2023-11-06 21:55:55,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2023-11-06 21:55:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2023-11-06 21:55:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2023-11-06 21:55:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-06 21:55:55,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-06 21:55:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2023-11-06 21:55:55,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2023-11-06 21:55:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:55:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-06 21:55:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-06 21:55:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:55:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-06 21:55:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-06 21:55:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 21:55:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 21:55:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 21:55:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-11-06 21:55:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-11-06 21:55:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2023-11-06 21:55:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2023-11-06 21:55:55,514 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2023-11-06 21:55:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2023-11-06 21:55:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-06 21:55:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-06 21:55:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2023-11-06 21:55:55,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2023-11-06 21:55:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2023-11-06 21:55:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2023-11-06 21:55:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2023-11-06 21:55:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2023-11-06 21:55:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-06 21:55:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-06 21:55:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 21:55:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 21:55:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2023-11-06 21:55:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2023-11-06 21:55:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2023-11-06 21:55:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2023-11-06 21:55:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2023-11-06 21:55:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2023-11-06 21:55:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-06 21:55:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-06 21:55:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-06 21:55:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-06 21:55:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:55:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:55:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-06 21:55:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-06 21:55:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-06 21:55:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-06 21:55:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 21:55:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 21:55:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 21:55:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 21:55:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-06 21:55:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-06 21:55:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-06 21:55:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-06 21:55:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-06 21:55:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-06 21:55:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2023-11-06 21:55:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2023-11-06 21:55:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2023-11-06 21:55:55,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2023-11-06 21:55:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 21:55:55,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 21:55:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2023-11-06 21:55:55,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2023-11-06 21:55:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-06 21:55:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-06 21:55:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 21:55:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 21:55:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:55:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:55:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-06 21:55:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-06 21:55:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-06 21:55:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-06 21:55:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-06 21:55:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-06 21:55:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-06 21:55:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-06 21:55:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:55:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-06 21:55:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-06 21:55:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-06 21:55:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-06 21:55:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 21:55:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_kill_vid [2023-11-06 21:55:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_kill_vid [2023-11-06 21:55:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-06 21:55:55,532 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-06 21:55:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 21:55:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 21:55:55,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 21:55:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_change_mtu [2023-11-06 21:55:55,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_change_mtu [2023-11-06 21:55:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-06 21:55:55,533 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-06 21:55:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-06 21:55:55,533 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-06 21:55:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-06 21:55:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-06 21:55:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-06 21:55:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-06 21:55:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2023-11-06 21:55:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2023-11-06 21:55:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2023-11-06 21:55:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2023-11-06 21:55:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_fix_features [2023-11-06 21:55:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_fix_features [2023-11-06 21:55:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-06 21:55:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-06 21:55:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-06 21:55:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-06 21:55:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-06 21:55:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-06 21:55:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_slot_reset [2023-11-06 21:55:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_slot_reset [2023-11-06 21:55:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2023-11-06 21:55:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2023-11-06 21:55:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-06 21:55:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-06 21:55:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2023-11-06 21:55:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2023-11-06 21:55:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-06 21:55:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-06 21:55:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 21:55:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 21:55:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_mac [2023-11-06 21:55:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_mac [2023-11-06 21:55:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:55:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2023-11-06 21:55:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2023-11-06 21:55:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-06 21:55:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-06 21:55:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 21:55:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 21:55:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2023-11-06 21:55:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2023-11-06 21:55:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2023-11-06 21:55:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2023-11-06 21:55:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-06 21:55:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-06 21:55:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-06 21:55:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-06 21:55:55,544 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-06 21:55:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-06 21:55:55,544 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2023-11-06 21:55:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2023-11-06 21:55:55,544 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2023-11-06 21:55:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2023-11-06 21:55:55,544 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-06 21:55:55,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-06 21:55:55,546 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2023-11-06 21:55:55,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2023-11-06 21:55:55,546 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2023-11-06 21:55:55,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2023-11-06 21:55:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2023-11-06 21:55:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2023-11-06 21:55:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-06 21:55:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-06 21:55:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2023-11-06 21:55:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2023-11-06 21:55:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2023-11-06 21:55:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2023-11-06 21:55:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-06 21:55:55,548 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-06 21:55:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-06 21:55:55,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-06 21:55:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_stats [2023-11-06 21:55:55,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_stats [2023-11-06 21:55:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-06 21:55:55,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-06 21:55:55,549 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-06 21:55:55,549 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-06 21:55:55,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:55:55,549 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-06 21:55:55,549 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2023-11-06 21:55:55,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2023-11-06 21:55:56,748 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:55:56,757 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:55:57,231 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 21:56:30,504 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:56:30,543 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:56:30,543 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:56:30,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:56:30 BoogieIcfgContainer [2023-11-06 21:56:30,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:56:30,554 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:56:30,555 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:56:30,558 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:56:30,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:55:48" (1/3) ... [2023-11-06 21:56:30,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bcd9377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:56:30, skipping insertion in model container [2023-11-06 21:56:30,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:54" (2/3) ... [2023-11-06 21:56:30,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bcd9377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:56:30, skipping insertion in model container [2023-11-06 21:56:30,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:56:30" (3/3) ... [2023-11-06 21:56:30,563 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2023-11-06 21:56:30,583 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:56:30,583 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:56:30,740 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:56:30,749 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@5ddbcd09, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:56:30,750 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:56:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 3600 states, 2516 states have (on average 1.3692368839427662) internal successors, (3445), 2602 states have internal predecessors, (3445), 951 states have call successors, (951), 132 states have call predecessors, (951), 131 states have return successors, (942), 937 states have call predecessors, (942), 942 states have call successors, (942) [2023-11-06 21:56:30,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-06 21:56:30,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:56:30,824 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:56:30,825 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:56:30,830 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:30,830 INFO L85 PathProgramCache]: Analyzing trace with hash 395960834, now seen corresponding path program 1 times [2023-11-06 21:56:30,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:56:30,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623243710] [2023-11-06 21:56:30,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:30,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:56:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:56:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:56:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:56:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:56:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:56:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:56:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 21:56:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:56:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:56:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 21:56:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:56:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 21:56:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:56:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 21:56:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:56:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 21:56:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:56:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 21:56:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:56:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-06 21:56:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:56:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-06 21:56:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:56:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-06 21:56:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:56:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 21:56:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:32,582 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-11-06 21:56:32,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:56:32,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623243710] [2023-11-06 21:56:32,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623243710] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:56:32,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:56:32,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:56:32,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777816921] [2023-11-06 21:56:32,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:56:32,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 21:56:32,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:56:32,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 21:56:32,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:56:32,632 INFO L87 Difference]: Start difference. First operand has 3600 states, 2516 states have (on average 1.3692368839427662) internal successors, (3445), 2602 states have internal predecessors, (3445), 951 states have call successors, (951), 132 states have call predecessors, (951), 131 states have return successors, (942), 937 states have call predecessors, (942), 942 states have call successors, (942) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-06 21:56:45,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:47,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:49,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:57,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:59,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:00,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:04,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:06,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:09,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:11,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:13,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:15,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:17,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:19,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:23,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:25,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:27,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:29,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:31,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:33,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:34,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:57:34,328 INFO L93 Difference]: Finished difference Result 7389 states and 11150 transitions. [2023-11-06 21:57:34,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:57:34,331 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 172 [2023-11-06 21:57:34,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:57:34,391 INFO L225 Difference]: With dead ends: 7389 [2023-11-06 21:57:34,391 INFO L226 Difference]: Without dead ends: 3755 [2023-11-06 21:57:34,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:57:34,433 INFO L413 NwaCegarLoop]: 4132 mSDtfsCounter, 2026 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 3835 mSolverCounterSat, 2339 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2034 SdHoareTripleChecker+Valid, 8172 SdHoareTripleChecker+Invalid, 6192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2339 IncrementalHoareTripleChecker+Valid, 3835 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:57:34,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2034 Valid, 8172 Invalid, 6192 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2339 Valid, 3835 Invalid, 18 Unknown, 0 Unchecked, 61.0s Time] [2023-11-06 21:57:34,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2023-11-06 21:57:34,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 3561. [2023-11-06 21:57:34,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3561 states, 2488 states have (on average 1.3436495176848875) internal successors, (3343), 2563 states have internal predecessors, (3343), 942 states have call successors, (942), 131 states have call predecessors, (942), 130 states have return successors, (940), 935 states have call predecessors, (940), 940 states have call successors, (940) [2023-11-06 21:57:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 3561 states and 5225 transitions. [2023-11-06 21:57:34,892 INFO L78 Accepts]: Start accepts. Automaton has 3561 states and 5225 transitions. Word has length 172 [2023-11-06 21:57:34,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:57:34,894 INFO L495 AbstractCegarLoop]: Abstraction has 3561 states and 5225 transitions. [2023-11-06 21:57:34,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-06 21:57:34,894 INFO L276 IsEmpty]: Start isEmpty. Operand 3561 states and 5225 transitions. [2023-11-06 21:57:34,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-06 21:57:34,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:57:34,907 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:34,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:57:34,908 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:57:34,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:34,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1546209784, now seen corresponding path program 1 times [2023-11-06 21:57:34,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:34,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560771930] [2023-11-06 21:57:34,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:34,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:57:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:57:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 21:57:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 21:57:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 21:57:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 21:57:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 21:57:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 21:57:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-06 21:57:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-06 21:57:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-06 21:57:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 21:57:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,600 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-11-06 21:57:36,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:36,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560771930] [2023-11-06 21:57:36,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560771930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:36,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:36,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 21:57:36,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381718935] [2023-11-06 21:57:36,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:36,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:57:36,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:36,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:57:36,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:57:36,605 INFO L87 Difference]: Start difference. First operand 3561 states and 5225 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-06 21:57:41,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:47,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:49,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:51,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:10,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:12,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:14,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:18,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:20,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:22,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:25,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:27,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:29,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:35,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:37,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:38,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:40,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:42,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:45,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:47,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:49,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:51,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:53,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:57,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:59,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:01,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:04,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:06,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:08,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:10,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:12,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:14,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:16,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:19,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:21,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:21,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:21,769 INFO L93 Difference]: Finished difference Result 10350 states and 15246 transitions. [2023-11-06 21:59:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 21:59:21,770 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 172 [2023-11-06 21:59:21,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:21,839 INFO L225 Difference]: With dead ends: 10350 [2023-11-06 21:59:21,840 INFO L226 Difference]: Without dead ends: 6815 [2023-11-06 21:59:21,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:59:21,868 INFO L413 NwaCegarLoop]: 4552 mSDtfsCounter, 7243 mSDsluCounter, 7778 mSDsCounter, 0 mSdLazyCounter, 5989 mSolverCounterSat, 4373 mSolverCounterUnsat, 31 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 101.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7801 SdHoareTripleChecker+Valid, 12330 SdHoareTripleChecker+Invalid, 10393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4373 IncrementalHoareTripleChecker+Valid, 5989 IncrementalHoareTripleChecker+Invalid, 31 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 104.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:21,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7801 Valid, 12330 Invalid, 10393 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4373 Valid, 5989 Invalid, 31 Unknown, 0 Unchecked, 104.2s Time] [2023-11-06 21:59:21,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6815 states. [2023-11-06 21:59:22,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6815 to 6423. [2023-11-06 21:59:22,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6423 states, 4469 states have (on average 1.3405683598120386) internal successors, (5991), 4613 states have internal predecessors, (5991), 1712 states have call successors, (1712), 242 states have call predecessors, (1712), 241 states have return successors, (1710), 1698 states have call predecessors, (1710), 1710 states have call successors, (1710) [2023-11-06 21:59:22,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6423 states to 6423 states and 9413 transitions. [2023-11-06 21:59:22,424 INFO L78 Accepts]: Start accepts. Automaton has 6423 states and 9413 transitions. Word has length 172 [2023-11-06 21:59:22,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:22,427 INFO L495 AbstractCegarLoop]: Abstraction has 6423 states and 9413 transitions. [2023-11-06 21:59:22,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-06 21:59:22,428 INFO L276 IsEmpty]: Start isEmpty. Operand 6423 states and 9413 transitions. [2023-11-06 21:59:22,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-11-06 21:59:22,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:22,438 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:22,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:59:22,439 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:22,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:22,439 INFO L85 PathProgramCache]: Analyzing trace with hash 231473997, now seen corresponding path program 1 times [2023-11-06 21:59:22,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:22,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653068449] [2023-11-06 21:59:22,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:22,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:59:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:59:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 21:59:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 21:59:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 21:59:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 21:59:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 21:59:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 21:59:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-06 21:59:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-06 21:59:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-06 21:59:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-06 21:59:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:23,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-06 21:59:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-06 21:59:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-06 21:59:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 21:59:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 21:59:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 21:59:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-06 21:59:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-06 21:59:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-06 21:59:24,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:24,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653068449] [2023-11-06 21:59:24,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653068449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:24,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:24,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 21:59:24,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640061424] [2023-11-06 21:59:24,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:24,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 21:59:24,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:24,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 21:59:24,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-06 21:59:24,259 INFO L87 Difference]: Start difference. First operand 6423 states and 9413 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-06 21:59:32,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:34,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:36,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:38,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []