./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:24,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:24,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:38:24,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:24,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:24,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:24,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:24,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:24,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:38:24,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:38:24,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:24,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:24,832 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:24,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:24,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:38:24,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:24,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:24,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:38:24,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:38:24,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:38:24,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:38:24,838 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:24,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:24,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:24,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:38:24,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:24,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:24,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:38:24,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:38:24,843 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:38:24,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:38:24,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:38:24,845 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:38:24,845 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:38:24,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:38:24,846 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:38:24,846 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_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc [2023-11-19 07:38:25,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:25,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:25,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:25,213 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:25,214 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:25,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2023-11-19 07:38:28,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:29,017 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:29,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2023-11-19 07:38:29,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/bin/uautomizer-verify-uCwYo4JHxu/data/57043d15f/d25fe4de593145d8ab05199af23e3a8b/FLAG56698784d [2023-11-19 07:38:29,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/bin/uautomizer-verify-uCwYo4JHxu/data/57043d15f/d25fe4de593145d8ab05199af23e3a8b [2023-11-19 07:38:29,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:29,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:29,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:29,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:29,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:29,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:29" (1/1) ... [2023-11-19 07:38:29,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72fa7f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:29, skipping insertion in model container [2023-11-19 07:38:29,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:29" (1/1) ... [2023-11-19 07:38:29,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:29,871 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2023-11-19 07:38:29,872 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2023-11-19 07:38:30,274 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_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2023-11-19 07:38:31,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:32,032 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:38:32,140 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2023-11-19 07:38:32,141 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2023-11-19 07:38:32,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [4276] [2023-11-19 07:38:32,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4284] [2023-11-19 07:38:32,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [4291] [2023-11-19 07:38:32,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4298] [2023-11-19 07:38:32,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4307] [2023-11-19 07:38:32,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [4315] [2023-11-19 07:38:32,161 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_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2023-11-19 07:38:32,351 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/531/dscv_tempdir/dscv/ri/43_2a/drivers/tty/serial/8250/8250_core.o.c.prepared"), "i" (1693), "i" (12UL)); [6017-6018] [2023-11-19 07:38:32,356 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/531/dscv_tempdir/dscv/ri/43_2a/drivers/tty/serial/8250/8250_core.o.c.prepared"), "i" (1774), "i" (12UL)); [6130-6131] [2023-11-19 07:38:32,356 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/531/dscv_tempdir/dscv/ri/43_2a/drivers/tty/serial/8250/8250_core.o.c.prepared"), "i" (1775), "i" (12UL)); [6139-6140] [2023-11-19 07:38:32,460 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"); [9367] [2023-11-19 07:38:32,461 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [9402-9403] [2023-11-19 07:38:32,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [9408-9410] [2023-11-19 07:38:32,465 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)); [9495-9496] [2023-11-19 07:38:32,466 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)); [9524-9525] [2023-11-19 07:38:32,468 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" (103), "i" (12UL)); [9554-9555] [2023-11-19 07:38:32,469 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" (115), "i" (12UL)); [9584-9585] [2023-11-19 07:38:32,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:32,725 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:32,733 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:38:32,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:32 WrapperNode [2023-11-19 07:38:32,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:32,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:32,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:38:32,737 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:38:32,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:32" (1/1) ... [2023-11-19 07:38:32,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:32" (1/1) ... [2023-11-19 07:38:33,305 INFO L138 Inliner]: procedures = 349, calls = 4553, calls flagged for inlining = 166, calls inlined = 164, statements flattened = 9190 [2023-11-19 07:38:33,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:33,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:38:33,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:38:33,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:38:33,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:32" (1/1) ... [2023-11-19 07:38:33,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:32" (1/1) ... [2023-11-19 07:38:33,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:32" (1/1) ... [2023-11-19 07:38:33,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:32" (1/1) ... [2023-11-19 07:38:33,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:32" (1/1) ... [2023-11-19 07:38:33,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:32" (1/1) ... [2023-11-19 07:38:33,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:32" (1/1) ... [2023-11-19 07:38:33,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:32" (1/1) ... [2023-11-19 07:38:33,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:38:33,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:38:33,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:38:33,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:38:33,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:32" (1/1) ... [2023-11-19 07:38:33,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:33,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:33,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:38:34,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709769e0-c4d7-4fd7-8e5e-04d677a05d8d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:38:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_chars [2023-11-19 07:38:34,025 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_chars [2023-11-19 07:38:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure uart_poll_timeout [2023-11-19 07:38:34,025 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_poll_timeout [2023-11-19 07:38:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2023-11-19 07:38:34,025 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2023-11-19 07:38:34,026 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_chars [2023-11-19 07:38:34,027 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_chars [2023-11-19 07:38:34,027 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out_sync [2023-11-19 07:38:34,027 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out_sync [2023-11-19 07:38:34,027 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_pm [2023-11-19 07:38:34,027 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_pm [2023-11-19 07:38:34,028 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_write [2023-11-19 07:38:34,029 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_write [2023-11-19 07:38:34,029 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_read_divisor_id [2023-11-19 07:38:34,029 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_read_divisor_id [2023-11-19 07:38:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:38:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:38:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_mctrl [2023-11-19 07:38:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_mctrl [2023-11-19 07:38:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:38:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:38:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2023-11-19 07:38:34,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2023-11-19 07:38:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_port [2023-11-19 07:38:34,033 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_port [2023-11-19 07:38:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:38:34,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:38:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_tx [2023-11-19 07:38:34,034 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_tx [2023-11-19 07:38:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2023-11-19 07:38:34,034 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2023-11-19 07:38:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-11-19 07:38:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-11-19 07:38:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_single [2023-11-19 07:38:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_single [2023-11-19 07:38:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2023-11-19 07:38:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2023-11-19 07:38:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_device_control [2023-11-19 07:38:34,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_device_control [2023-11-19 07:38:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:38:34,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:38:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2023-11-19 07:38:34,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2023-11-19 07:38:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:38:34,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:38:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_start_tx [2023-11-19 07:38:34,037 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_start_tx [2023-11-19 07:38:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:38:34,038 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:38:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:38:34,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:38:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_16550a [2023-11-19 07:38:34,040 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_16550a [2023-11-19 07:38:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:38:34,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:38:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_tx_complete [2023-11-19 07:38:34,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_tx_complete [2023-11-19 07:38:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 07:38:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 07:38:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2023-11-19 07:38:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2023-11-19 07:38:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure check_name [2023-11-19 07:38:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure check_name [2023-11-19 07:38:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:38:34,043 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:38:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure serial_in [2023-11-19 07:38:34,043 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_in [2023-11-19 07:38:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_handle_irq [2023-11-19 07:38:34,043 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_handle_irq [2023-11-19 07:38:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:38:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure broken_efr [2023-11-19 07:38:34,044 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_efr [2023-11-19 07:38:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_submit [2023-11-19 07:38:34,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_submit [2023-11-19 07:38:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_modem_status [2023-11-19 07:38:34,045 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_modem_status [2023-11-19 07:38:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_startup [2023-11-19 07:38:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_startup [2023-11-19 07:38:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:38:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:38:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pnp_exit [2023-11-19 07:38:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pnp_exit [2023-11-19 07:38:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure uart_suspend_port [2023-11-19 07:38:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_suspend_port [2023-11-19 07:38:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:38:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_ldisc [2023-11-19 07:38:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_ldisc [2023-11-19 07:38:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure uart_add_one_port [2023-11-19 07:38:34,048 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_add_one_port [2023-11-19 07:38:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_port_size [2023-11-19 07:38:34,048 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_port_size [2023-11-19 07:38:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:38:34,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:38:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:38:34,049 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:38:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-19 07:38:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_dma [2023-11-19 07:38:34,050 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_dma [2023-11-19 07:38:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_put_poll_char [2023-11-19 07:38:34,050 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_put_poll_char [2023-11-19 07:38:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_dma [2023-11-19 07:38:34,050 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_dma [2023-11-19 07:38:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:38:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_empty [2023-11-19 07:38:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_empty [2023-11-19 07:38:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:38:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out [2023-11-19 07:38:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out [2023-11-19 07:38:34,053 INFO L130 BoogieDeclarations]: Found specification of procedure disable_rsa [2023-11-19 07:38:34,053 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_rsa [2023-11-19 07:38:34,053 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:38:34,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:38:34,053 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_fifos [2023-11-19 07:38:34,053 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_fifos [2023-11-19 07:38:34,054 INFO L130 BoogieDeclarations]: Found specification of procedure serial_out [2023-11-19 07:38:34,054 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_out [2023-11-19 07:38:34,054 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_write [2023-11-19 07:38:34,054 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_write [2023-11-19 07:38:34,054 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:38:34,054 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:38:34,055 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 07:38:34,055 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 07:38:34,055 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_poll_char [2023-11-19 07:38:34,055 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_poll_char [2023-11-19 07:38:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_probe [2023-11-19 07:38:34,056 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_probe [2023-11-19 07:38:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure serial_do_unlink [2023-11-19 07:38:34,056 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_do_unlink [2023-11-19 07:38:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_termios [2023-11-19 07:38:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_termios [2023-11-19 07:38:34,058 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:38:34,058 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:38:34,058 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2023-11-19 07:38:34,059 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2023-11-19 07:38:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_rx [2023-11-19 07:38:34,062 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_rx [2023-11-19 07:38:34,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 07:38:34,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 07:38:34,063 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_rsa_resource [2023-11-19 07:38:34,063 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_rsa_resource [2023-11-19 07:38:34,064 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:38:34,064 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:38:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_isa_init_ports [2023-11-19 07:38:34,070 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_isa_init_ports [2023-11-19 07:38:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:38:34,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:38:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 07:38:34,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 07:38:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure is_omap1_8250 [2023-11-19 07:38:34,071 INFO L138 BoogieDeclarations]: Found implementation of procedure is_omap1_8250 [2023-11-19 07:38:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2023-11-19 07:38:34,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2023-11-19 07:38:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_verify_port [2023-11-19 07:38:34,072 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_verify_port [2023-11-19 07:38:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 07:38:34,072 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 07:38:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2023-11-19 07:38:34,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2023-11-19 07:38:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-11-19 07:38:34,073 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-11-19 07:38:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure set_io_from_upio [2023-11-19 07:38:34,073 INFO L138 BoogieDeclarations]: Found implementation of procedure set_io_from_upio [2023-11-19 07:38:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-11-19 07:38:34,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-11-19 07:38:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 07:38:34,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 07:38:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure uart_remove_one_port [2023-11-19 07:38:34,075 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_remove_one_port [2023-11-19 07:38:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:38:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2023-11-19 07:38:34,075 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2023-11-19 07:38:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_dma [2023-11-19 07:38:34,075 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_dma [2023-11-19 07:38:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:38:34,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:38:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_mctrl [2023-11-19 07:38:34,076 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_mctrl [2023-11-19 07:38:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2023-11-19 07:38:34,076 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2023-11-19 07:38:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_rsa_resource [2023-11-19 07:38:34,077 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_rsa_resource [2023-11-19 07:38:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_slave_channel_compat [2023-11-19 07:38:34,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_slave_channel_compat [2023-11-19 07:38:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_std_resource [2023-11-19 07:38:34,077 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_std_resource [2023-11-19 07:38:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_tx_status [2023-11-19 07:38:34,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_tx_status [2023-11-19 07:38:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 07:38:34,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 07:38:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_in [2023-11-19 07:38:34,078 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_in [2023-11-19 07:38:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:38:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_type [2023-11-19 07:38:34,079 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_type [2023-11-19 07:38:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 07:38:34,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 07:38:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2023-11-19 07:38:34,079 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2023-11-19 07:38:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 07:38:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 07:38:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2023-11-19 07:38:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2023-11-19 07:38:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 07:38:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 07:38:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:38:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:38:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_read [2023-11-19 07:38:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_read [2023-11-19 07:38:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_break_ctl [2023-11-19 07:38:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_break_ctl [2023-11-19 07:38:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:38:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pm [2023-11-19 07:38:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pm [2023-11-19 07:38:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-11-19 07:38:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-11-19 07:38:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2023-11-19 07:38:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2023-11-19 07:38:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:38:34,083 INFO L130 BoogieDeclarations]: Found specification of procedure uart_tx_stopped [2023-11-19 07:38:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_tx_stopped [2023-11-19 07:38:34,083 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_xmitr [2023-11-19 07:38:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_xmitr [2023-11-19 07:38:34,083 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig [2023-11-19 07:38:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig [2023-11-19 07:38:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_read [2023-11-19 07:38:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_read [2023-11-19 07:38:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:38:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:38:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:38:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:38:34,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:38:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-19 07:38:34,085 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-19 07:38:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:38:34,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:38:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 07:38:34,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 07:38:34,086 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_remove [2023-11-19 07:38:34,086 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_remove [2023-11-19 07:38:34,086 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-19 07:38:34,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-19 07:38:34,086 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_break [2023-11-19 07:38:34,086 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_break [2023-11-19 07:38:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:38:34,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:38:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure serial_index [2023-11-19 07:38:34,087 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_index [2023-11-19 07:38:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_rx_complete [2023-11-19 07:38:34,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_rx_complete [2023-11-19 07:38:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2023-11-19 07:38:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2023-11-19 07:38:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure __stop_tx [2023-11-19 07:38:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __stop_tx [2023-11-19 07:38:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2023-11-19 07:38:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2023-11-19 07:38:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_config_port [2023-11-19 07:38:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_config_port [2023-11-19 07:38:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 07:38:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 07:38:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 07:38:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 07:38:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume [2023-11-19 07:38:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume [2023-11-19 07:38:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_shutdown [2023-11-19 07:38:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_shutdown [2023-11-19 07:38:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:38:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:38:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_has_efr [2023-11-19 07:38:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_has_efr [2023-11-19 07:38:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_rsa [2023-11-19 07:38:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_rsa [2023-11-19 07:38:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_resume [2023-11-19 07:38:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_resume [2023-11-19 07:38:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_std_resource [2023-11-19 07:38:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_std_resource [2023-11-19 07:38:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2023-11-19 07:38:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2023-11-19 07:38:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2023-11-19 07:38:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2023-11-19 07:38:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_dma [2023-11-19 07:38:34,099 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_dma [2023-11-19 07:38:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:38:34,099 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:38:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 07:38:34,099 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 07:38:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2023-11-19 07:38:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2023-11-19 07:38:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure ns16550a_goto_highspeed [2023-11-19 07:38:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ns16550a_goto_highspeed [2023-11-19 07:38:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure size_fifo [2023-11-19 07:38:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure size_fifo [2023-11-19 07:38:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2023-11-19 07:38:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2023-11-19 07:38:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_remove [2023-11-19 07:38:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_remove [2023-11-19 07:38:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:38:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_port [2023-11-19 07:38:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_port [2023-11-19 07:38:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-19 07:38:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-19 07:38:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_enable_ms [2023-11-19 07:38:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_enable_ms [2023-11-19 07:38:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2023-11-19 07:38:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2023-11-19 07:38:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2023-11-19 07:38:34,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2023-11-19 07:38:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_sleep [2023-11-19 07:38:34,103 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_sleep [2023-11-19 07:38:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_init_fixed_type_port [2023-11-19 07:38:34,103 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_init_fixed_type_port [2023-11-19 07:38:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:38:34,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:38:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2023-11-19 07:38:34,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2023-11-19 07:38:35,176 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:38:35,188 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:38:36,558 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:38:58,550 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:38:58,590 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:38:58,591 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:38:58,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:58 BoogieIcfgContainer [2023-11-19 07:38:58,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:38:58,616 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:38:58,616 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:38:58,620 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:38:58,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:29" (1/3) ... [2023-11-19 07:38:58,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ff2b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:58, skipping insertion in model container [2023-11-19 07:38:58,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:32" (2/3) ... [2023-11-19 07:38:58,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ff2b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:58, skipping insertion in model container [2023-11-19 07:38:58,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:58" (3/3) ... [2023-11-19 07:38:58,627 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2023-11-19 07:38:58,650 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:38:58,651 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:38:58,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:38:58,818 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@53b51a44, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:38:58,819 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:38:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 3187 states, 2339 states have (on average 1.4591705857203934) internal successors, (3413), 2432 states have internal predecessors, (3413), 696 states have call successors, (696), 151 states have call predecessors, (696), 150 states have return successors, (689), 661 states have call predecessors, (689), 689 states have call successors, (689) [2023-11-19 07:38:58,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-19 07:38:58,933 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:58,941 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:58,942 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:58,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:58,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1917373919, now seen corresponding path program 1 times [2023-11-19 07:38:58,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:58,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547285877] [2023-11-19 07:38:58,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:58,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:00,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:39:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:00,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:39:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:00,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:39:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:00,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:39:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 07:39:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:00,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:39:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:39:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-19 07:39:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:39:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-19 07:39:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:39:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-19 07:39:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:39:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-19 07:39:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-19 07:39:01,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:01,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547285877] [2023-11-19 07:39:01,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547285877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:01,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:01,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:39:01,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489929286] [2023-11-19 07:39:01,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:01,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:39:01,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:01,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:39:01,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:39:01,507 INFO L87 Difference]: Start difference. First operand has 3187 states, 2339 states have (on average 1.4591705857203934) internal successors, (3413), 2432 states have internal predecessors, (3413), 696 states have call successors, (696), 151 states have call predecessors, (696), 150 states have return successors, (689), 661 states have call predecessors, (689), 689 states have call successors, (689) Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 07:39:12,399 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 [] [2023-11-19 07:39:14,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:39:16,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []