./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--scsi--dc395x.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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307bd9c-2c4b-4d16-aae7-24b774184dd8/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307bd9c-2c4b-4d16-aae7-24b774184dd8/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_4307bd9c-2c4b-4d16-aae7-24b774184dd8/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307bd9c-2c4b-4d16-aae7-24b774184dd8/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dc395x.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307bd9c-2c4b-4d16-aae7-24b774184dd8/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_4307bd9c-2c4b-4d16-aae7-24b774184dd8/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 0011bf3948bf1d5c39bf27544f1c0eeb95eb3a8609236ba1425eb8eb6552d47c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:02:06,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:02:07,110 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307bd9c-2c4b-4d16-aae7-24b774184dd8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:02:07,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:02:07,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:02:07,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:02:07,156 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:02:07,157 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:02:07,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:02:07,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:02:07,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:02:07,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:02:07,168 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:02:07,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:02:07,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:02:07,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:02:07,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:02:07,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:02:07,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:02:07,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:02:07,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:02:07,174 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:02:07,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:02:07,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:02:07,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:02:07,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:07,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:02:07,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:02:07,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:02:07,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:02:07,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:02:07,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:02:07,179 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:02:07,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:02:07,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:02:07,180 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:02:07,180 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_4307bd9c-2c4b-4d16-aae7-24b774184dd8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307bd9c-2c4b-4d16-aae7-24b774184dd8/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0011bf3948bf1d5c39bf27544f1c0eeb95eb3a8609236ba1425eb8eb6552d47c [2023-11-06 22:02:07,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:02:07,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:02:07,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:02:07,499 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:02:07,500 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:02:07,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307bd9c-2c4b-4d16-aae7-24b774184dd8/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dc395x.ko-entry_point.cil.out.i [2023-11-06 22:02:10,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:02:11,406 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:02:11,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307bd9c-2c4b-4d16-aae7-24b774184dd8/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dc395x.ko-entry_point.cil.out.i [2023-11-06 22:02:11,459 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307bd9c-2c4b-4d16-aae7-24b774184dd8/bin/uautomizer-verify-WvqO1wxjHP/data/bc5f57b54/75a6265099514a4cb8e727d0e9e2de64/FLAGa3c66c15d [2023-11-06 22:02:11,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307bd9c-2c4b-4d16-aae7-24b774184dd8/bin/uautomizer-verify-WvqO1wxjHP/data/bc5f57b54/75a6265099514a4cb8e727d0e9e2de64 [2023-11-06 22:02:11,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:02:11,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:02:11,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:11,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:02:11,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:02:11,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:11" (1/1) ... [2023-11-06 22:02:11,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bfd1470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:11, skipping insertion in model container [2023-11-06 22:02:11,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:11" (1/1) ... [2023-11-06 22:02:11,727 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:02:12,309 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4382] [2023-11-06 22:02:12,310 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4383-4384] [2023-11-06 22:02:12,695 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_4307bd9c-2c4b-4d16-aae7-24b774184dd8/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dc395x.ko-entry_point.cil.out.i[138207,138220] [2023-11-06 22:02:14,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:14,150 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:02:14,257 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4382] [2023-11-06 22:02:14,258 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4383-4384] [2023-11-06 22:02:14,272 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)); [4526-4527] [2023-11-06 22:02:14,274 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"); [4532-4534] [2023-11-06 22:02:14,275 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" (809), "i" (12UL)); [4556-4557] [2023-11-06 22:02:14,276 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [4562-4564] [2023-11-06 22:02:14,277 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" (814), "i" (12UL)); [4585-4586] [2023-11-06 22:02:14,277 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4591-4593] [2023-11-06 22:02:14,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4663] [2023-11-06 22:02:14,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [4671] [2023-11-06 22:02:14,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [4678] [2023-11-06 22:02:14,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [4686] [2023-11-06 22:02:14,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [4693] [2023-11-06 22:02:14,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [4701] [2023-11-06 22:02:14,284 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_4307bd9c-2c4b-4d16-aae7-24b774184dd8/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dc395x.ko-entry_point.cil.out.i[138207,138220] [2023-11-06 22:02:14,297 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)); [4959-4960] [2023-11-06 22:02:14,299 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)); [4988-4989] [2023-11-06 22:02:14,300 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)); [5018-5019] [2023-11-06 22:02:14,301 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" (155), "i" (12UL)); [5048-5049] [2023-11-06 22:02:14,335 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/5433/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/dc395x.o.c.prepared"), "i" (1080), "i" (12UL)); [5744-5745] [2023-11-06 22:02:14,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:14,890 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:02:14,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:14 WrapperNode [2023-11-06 22:02:14,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:14,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:14,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:02:14,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:02:14,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:14" (1/1) ... [2023-11-06 22:02:15,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:14" (1/1) ... [2023-11-06 22:02:15,381 INFO L138 Inliner]: procedures = 289, calls = 2964, calls flagged for inlining = 154, calls inlined = 150, statements flattened = 8307 [2023-11-06 22:02:15,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:15,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:02:15,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:02:15,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:02:15,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:14" (1/1) ... [2023-11-06 22:02:15,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:14" (1/1) ... [2023-11-06 22:02:15,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:14" (1/1) ... [2023-11-06 22:02:15,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:14" (1/1) ... [2023-11-06 22:02:15,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:14" (1/1) ... [2023-11-06 22:02:15,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:14" (1/1) ... [2023-11-06 22:02:15,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:14" (1/1) ... [2023-11-06 22:02:15,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:14" (1/1) ... [2023-11-06 22:02:15,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:02:15,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:02:15,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:02:15,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:02:15,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:14" (1/1) ... [2023-11-06 22:02:15,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:15,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307bd9c-2c4b-4d16-aae7-24b774184dd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:15,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307bd9c-2c4b-4d16-aae7-24b774184dd8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:16,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307bd9c-2c4b-4d16-aae7-24b774184dd8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:02:16,137 INFO L130 BoogieDeclarations]: Found specification of procedure srb_waiting_append [2023-11-06 22:02:16,137 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_waiting_append [2023-11-06 22:02:16,137 INFO L130 BoogieDeclarations]: Found specification of procedure list_size [2023-11-06 22:02:16,138 INFO L138 BoogieDeclarations]: Found implementation of procedure list_size [2023-11-06 22:02:16,138 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_kunmap_atomic_sg [2023-11-06 22:02:16,138 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_kunmap_atomic_sg [2023-11-06 22:02:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:02:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:02:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:02:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:02:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure waiting_set_timer [2023-11-06 22:02:16,140 INFO L138 BoogieDeclarations]: Found implementation of procedure waiting_set_timer [2023-11-06 22:02:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_get_next [2023-11-06 22:02:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_get_next [2023-11-06 22:02:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure waiting_process_next [2023-11-06 22:02:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure waiting_process_next [2023-11-06 22:02:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-06 22:02:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-06 22:02:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:02:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:02:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure build_sdtr [2023-11-06 22:02:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure build_sdtr [2023-11-06 22:02:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd [2023-11-06 22:02:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd [2023-11-06 22:02:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2023-11-06 22:02:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2023-11-06 22:02:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-06 22:02:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-06 22:02:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_remove_and_free_device [2023-11-06 22:02:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_remove_and_free_device [2023-11-06 22:02:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_after_transfer [2023-11-06 22:02:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_after_transfer [2023-11-06 22:02:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_srb_sense [2023-11-06 22:02:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_srb_sense [2023-11-06 22:02:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-06 22:02:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-06 22:02:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-06 22:02:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-06 22:02:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-06 22:02:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-06 22:02:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_6 [2023-11-06 22:02:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_6 [2023-11-06 22:02:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 22:02:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 22:02:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure start_scsi [2023-11-06 22:02:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure start_scsi [2023-11-06 22:02:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-06 22:02:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-06 22:02:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure data_io_transfer [2023-11-06 22:02:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure data_io_transfer [2023-11-06 22:02:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-06 22:02:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-06 22:02:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_uninit [2023-11-06 22:02:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_uninit [2023-11-06 22:02:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:02:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:02:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:02:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:02:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2023-11-06 22:02:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2023-11-06 22:02:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-06 22:02:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-06 22:02:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure sg_verify_length [2023-11-06 22:02:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_verify_length [2023-11-06 22:02:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure set_basic_config [2023-11-06 22:02:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure set_basic_config [2023-11-06 22:02:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:02:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 22:02:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 22:02:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-06 22:02:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-06 22:02:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure enable_msgout_abort [2023-11-06 22:02:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_msgout_abort [2023-11-06 22:02:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-06 22:02:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-06 22:02:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:02:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-06 22:02:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-06 22:02:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-06 22:02:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-06 22:02:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 22:02:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 22:02:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_regs [2023-11-06 22:02:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_regs [2023-11-06 22:02:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_sg_tables_free [2023-11-06 22:02:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_sg_tables_free [2023-11-06 22:02:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure set_safe_settings [2023-11-06 22:02:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure set_safe_settings [2023-11-06 22:02:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-06 22:02:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-06 22:02:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:02:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure trms1040_write_cmd [2023-11-06 22:02:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure trms1040_write_cmd [2023-11-06 22:02:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_override [2023-11-06 22:02:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_override [2023-11-06 22:02:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:02:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:02:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:02:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure build_wdtr [2023-11-06 22:02:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure build_wdtr [2023-11-06 22:02:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-06 22:02:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-06 22:02:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 22:02:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 22:02:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure reset_dev_param [2023-11-06 22:02:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_dev_param [2023-11-06 22:02:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-06 22:02:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-06 22:02:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure msgin_reject [2023-11-06 22:02:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure msgin_reject [2023-11-06 22:02:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-06 22:02:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-06 22:02:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-06 22:02:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-06 22:02:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:02:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure srb_going_to_waiting_move [2023-11-06 22:02:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_going_to_waiting_move [2023-11-06 22:02:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-06 22:02:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-06 22:02:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure sg_update_list [2023-11-06 22:02:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_update_list [2023-11-06 22:02:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-06 22:02:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-06 22:02:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure srb_going_remove [2023-11-06 22:02:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_going_remove [2023-11-06 22:02:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-06 22:02:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-06 22:02:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:02:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure free_tag [2023-11-06 22:02:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tag [2023-11-06 22:02:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure srb_waiting_remove [2023-11-06 22:02:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_waiting_remove [2023-11-06 22:02:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:02:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-06 22:02:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-06 22:02:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure sg_subtract_one [2023-11-06 22:02:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_subtract_one [2023-11-06 22:02:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:02:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:02:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure clear_fifo [2023-11-06 22:02:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_fifo [2023-11-06 22:02:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-06 22:02:16,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-06 22:02:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 22:02:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 22:02:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-06 22:02:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-06 22:02:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:02:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure dc395x_slave_destroy [2023-11-06 22:02:16,184 INFO L138 BoogieDeclarations]: Found implementation of procedure dc395x_slave_destroy [2023-11-06 22:02:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-06 22:02:16,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-06 22:02:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-06 22:02:16,185 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-06 22:02:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:02:16,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:02:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure srb_free_insert [2023-11-06 22:02:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_free_insert [2023-11-06 22:02:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2023-11-06 22:02:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2023-11-06 22:02:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:02:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-06 22:02:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-06 22:02:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2023-11-06 22:02:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2023-11-06 22:02:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-06 22:02:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-06 22:02:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2023-11-06 22:02:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2023-11-06 22:02:16,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:02:16,188 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 22:02:16,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 22:02:16,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:02:16,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-06 22:02:16,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-06 22:02:16,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:02:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:02:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2023-11-06 22:02:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2023-11-06 22:02:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-11-06 22:02:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-11-06 22:02:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure dc395x_remove_one [2023-11-06 22:02:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dc395x_remove_one [2023-11-06 22:02:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_srb [2023-11-06 22:02:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_srb [2023-11-06 22:02:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_kmap_atomic_sg [2023-11-06 22:02:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_kmap_atomic_sg [2023-11-06 22:02:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure find_dcb [2023-11-06 22:02:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dcb [2023-11-06 22:02:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-06 22:02:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-06 22:02:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2023-11-06 22:02:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2023-11-06 22:02:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure reset_scsi_bus [2023-11-06 22:02:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_scsi_bus [2023-11-06 22:02:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-06 22:02:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-06 22:02:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-06 22:02:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-06 22:02:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-06 22:02:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-06 22:02:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:02:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-06 22:02:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-06 22:02:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure trms1040_wait_30us [2023-11-06 22:02:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure trms1040_wait_30us [2023-11-06 22:02:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:02:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:02:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure doing_srb_done [2023-11-06 22:02:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure doing_srb_done [2023-11-06 22:02:17,146 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:02:17,150 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:02:17,389 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:02:30,385 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:02:30,418 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:02:30,418 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:02:30,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:30 BoogieIcfgContainer [2023-11-06 22:02:30,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:02:30,429 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:02:30,429 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:02:30,432 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:02:30,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:02:11" (1/3) ... [2023-11-06 22:02:30,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788b1bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:30, skipping insertion in model container [2023-11-06 22:02:30,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:14" (2/3) ... [2023-11-06 22:02:30,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788b1bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:30, skipping insertion in model container [2023-11-06 22:02:30,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:30" (3/3) ... [2023-11-06 22:02:30,438 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dc395x.ko-entry_point.cil.out.i [2023-11-06 22:02:30,458 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:02:30,459 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:02:30,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:02:30,610 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;@6d7c704c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:02:30,610 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:02:30,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 3000 states, 2192 states have (on average 1.426551094890511) internal successors, (3127), 2253 states have internal predecessors, (3127), 710 states have call successors, (710), 97 states have call predecessors, (710), 96 states have return successors, (704), 690 states have call predecessors, (704), 704 states have call successors, (704) [2023-11-06 22:02:30,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-06 22:02:30,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:30,652 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:02:30,653 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:30,660 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:30,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1989257677, now seen corresponding path program 1 times [2023-11-06 22:02:30,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:30,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214299184] [2023-11-06 22:02:30,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:30,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:31,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:02:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:31,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:02:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:31,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:02:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:31,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:02:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:31,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:02:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:31,591 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-06 22:02:31,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:31,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214299184] [2023-11-06 22:02:31,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214299184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:31,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:31,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:02:31,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36614779] [2023-11-06 22:02:31,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:31,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:02:31,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:31,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:02:31,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:02:31,682 INFO L87 Difference]: Start difference. First operand has 3000 states, 2192 states have (on average 1.426551094890511) internal successors, (3127), 2253 states have internal predecessors, (3127), 710 states have call successors, (710), 97 states have call predecessors, (710), 96 states have return successors, (704), 690 states have call predecessors, (704), 704 states have call successors, (704) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-06 22:02:40,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:42,820 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 22:02:53,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:53,206 INFO L93 Difference]: Finished difference Result 9183 states and 14162 transitions. [2023-11-06 22:02:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:02:53,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2023-11-06 22:02:53,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:53,295 INFO L225 Difference]: With dead ends: 9183 [2023-11-06 22:02:53,295 INFO L226 Difference]: Without dead ends: 6144 [2023-11-06 22:02:53,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:02:53,328 INFO L413 NwaCegarLoop]: 3458 mSDtfsCounter, 6777 mSDsluCounter, 6141 mSDsCounter, 0 mSdLazyCounter, 5752 mSolverCounterSat, 3837 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7234 SdHoareTripleChecker+Valid, 9599 SdHoareTripleChecker+Invalid, 9590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3837 IncrementalHoareTripleChecker+Valid, 5752 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:53,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7234 Valid, 9599 Invalid, 9590 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3837 Valid, 5752 Invalid, 1 Unknown, 0 Unchecked, 20.5s Time] [2023-11-06 22:02:53,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6144 states. [2023-11-06 22:02:53,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6144 to 5482. [2023-11-06 22:02:53,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5482 states, 4033 states have (on average 1.4006942722539053) internal successors, (5649), 4135 states have internal predecessors, (5649), 1261 states have call successors, (1261), 186 states have call predecessors, (1261), 187 states have return successors, (1277), 1234 states have call predecessors, (1277), 1260 states have call successors, (1277) [2023-11-06 22:02:53,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5482 states to 5482 states and 8187 transitions. [2023-11-06 22:02:53,873 INFO L78 Accepts]: Start accepts. Automaton has 5482 states and 8187 transitions. Word has length 47 [2023-11-06 22:02:53,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:53,875 INFO L495 AbstractCegarLoop]: Abstraction has 5482 states and 8187 transitions. [2023-11-06 22:02:53,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-06 22:02:53,876 INFO L276 IsEmpty]: Start isEmpty. Operand 5482 states and 8187 transitions. [2023-11-06 22:02:53,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-06 22:02:53,901 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:53,902 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2023-11-06 22:02:53,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:02:53,903 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:53,903 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:53,904 INFO L85 PathProgramCache]: Analyzing trace with hash 472884102, now seen corresponding path program 1 times [2023-11-06 22:02:53,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:53,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305564938] [2023-11-06 22:02:53,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:53,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:02:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:02:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:02:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:02:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:02:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:02:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 22:02:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:02:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 22:02:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:02:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:02:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,593 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-06 22:02:54,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:54,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305564938] [2023-11-06 22:02:54,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305564938] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:54,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:54,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:02:54,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511584725] [2023-11-06 22:02:54,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:54,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:02:54,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:54,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:02:54,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:02:54,603 INFO L87 Difference]: Start difference. First operand 5482 states and 8187 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 22:03:09,137 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 22:03:11,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:13,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:15,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:16,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:31,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:31,434 INFO L93 Difference]: Finished difference Result 16955 states and 25589 transitions. [2023-11-06 22:03:31,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:03:31,435 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2023-11-06 22:03:31,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:31,548 INFO L225 Difference]: With dead ends: 16955 [2023-11-06 22:03:31,548 INFO L226 Difference]: Without dead ends: 11486 [2023-11-06 22:03:31,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:03:31,584 INFO L413 NwaCegarLoop]: 3317 mSDtfsCounter, 7675 mSDsluCounter, 8232 mSDsCounter, 0 mSdLazyCounter, 13020 mSolverCounterSat, 3685 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8254 SdHoareTripleChecker+Valid, 11549 SdHoareTripleChecker+Invalid, 16706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3685 IncrementalHoareTripleChecker+Valid, 13020 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:31,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8254 Valid, 11549 Invalid, 16706 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3685 Valid, 13020 Invalid, 1 Unknown, 0 Unchecked, 35.5s Time] [2023-11-06 22:03:31,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11486 states. [2023-11-06 22:03:32,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11486 to 9994. [2023-11-06 22:03:32,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9994 states, 7362 states have (on average 1.3996196685683238) internal successors, (10304), 7553 states have internal predecessors, (10304), 2276 states have call successors, (2276), 352 states have call predecessors, (2276), 355 states have return successors, (2309), 2223 states have call predecessors, (2309), 2275 states have call successors, (2309) [2023-11-06 22:03:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9994 states to 9994 states and 14889 transitions. [2023-11-06 22:03:32,635 INFO L78 Accepts]: Start accepts. Automaton has 9994 states and 14889 transitions. Word has length 112 [2023-11-06 22:03:32,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:32,636 INFO L495 AbstractCegarLoop]: Abstraction has 9994 states and 14889 transitions. [2023-11-06 22:03:32,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 22:03:32,637 INFO L276 IsEmpty]: Start isEmpty. Operand 9994 states and 14889 transitions. [2023-11-06 22:03:32,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-06 22:03:32,655 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:32,656 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:32,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:03:32,656 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:32,657 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:32,657 INFO L85 PathProgramCache]: Analyzing trace with hash -56149889, now seen corresponding path program 1 times [2023-11-06 22:03:32,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:32,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985056307] [2023-11-06 22:03:32,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:32,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:33,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:03:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:33,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:03:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:33,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:03:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:33,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:03:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:33,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:03:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:33,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:03:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:33,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:03:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:33,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-06 22:03:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:33,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:33,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:03:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:33,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 22:03:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:33,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 22:03:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:33,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 22:03:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:33,215 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-06 22:03:33,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:33,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985056307] [2023-11-06 22:03:33,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985056307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:33,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:33,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:03:33,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905502038] [2023-11-06 22:03:33,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:33,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:03:33,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:33,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:03:33,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:03:33,222 INFO L87 Difference]: Start difference. First operand 9994 states and 14889 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-06 22:03:47,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:47,893 INFO L93 Difference]: Finished difference Result 21457 states and 32279 transitions. [2023-11-06 22:03:47,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:03:47,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 132 [2023-11-06 22:03:47,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:48,010 INFO L225 Difference]: With dead ends: 21457 [2023-11-06 22:03:48,010 INFO L226 Difference]: Without dead ends: 11483 [2023-11-06 22:03:48,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:48,072 INFO L413 NwaCegarLoop]: 2689 mSDtfsCounter, 4260 mSDsluCounter, 5425 mSDsCounter, 0 mSdLazyCounter, 6944 mSolverCounterSat, 3712 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4478 SdHoareTripleChecker+Valid, 8114 SdHoareTripleChecker+Invalid, 10656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3712 IncrementalHoareTripleChecker+Valid, 6944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:48,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4478 Valid, 8114 Invalid, 10656 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3712 Valid, 6944 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2023-11-06 22:03:48,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11483 states. [2023-11-06 22:03:49,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11483 to 9994. [2023-11-06 22:03:49,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9994 states, 7362 states have (on average 1.3993480032599837) internal successors, (10302), 7553 states have internal predecessors, (10302), 2276 states have call successors, (2276), 352 states have call predecessors, (2276), 355 states have return successors, (2309), 2223 states have call predecessors, (2309), 2275 states have call successors, (2309) [2023-11-06 22:03:49,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9994 states to 9994 states and 14887 transitions. [2023-11-06 22:03:49,160 INFO L78 Accepts]: Start accepts. Automaton has 9994 states and 14887 transitions. Word has length 132 [2023-11-06 22:03:49,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:49,162 INFO L495 AbstractCegarLoop]: Abstraction has 9994 states and 14887 transitions. [2023-11-06 22:03:49,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-06 22:03:49,162 INFO L276 IsEmpty]: Start isEmpty. Operand 9994 states and 14887 transitions. [2023-11-06 22:03:49,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 22:03:49,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:49,188 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:49,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:03:49,189 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:49,189 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:49,189 INFO L85 PathProgramCache]: Analyzing trace with hash 498279301, now seen corresponding path program 1 times [2023-11-06 22:03:49,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:49,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832389511] [2023-11-06 22:03:49,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:49,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:49,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:03:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:49,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:03:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:49,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:03:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:49,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:03:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:49,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:03:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:49,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:03:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:49,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:03:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:49,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 22:03:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:49,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:03:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:49,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:49,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:03:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:49,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 22:03:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:49,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-06 22:03:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:49,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 22:03:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:49,906 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-06 22:03:49,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:49,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832389511] [2023-11-06 22:03:49,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832389511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:49,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:49,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:49,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909038413] [2023-11-06 22:03:49,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:49,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:03:49,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:49,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:03:49,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:03:49,910 INFO L87 Difference]: Start difference. First operand 9994 states and 14887 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:04:05,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:06,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:27,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:27,464 INFO L93 Difference]: Finished difference Result 32922 states and 49661 transitions. [2023-11-06 22:04:27,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:04:27,465 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 137 [2023-11-06 22:04:27,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:27,608 INFO L225 Difference]: With dead ends: 32922 [2023-11-06 22:04:27,608 INFO L226 Difference]: Without dead ends: 22948 [2023-11-06 22:04:27,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:04:27,659 INFO L413 NwaCegarLoop]: 4674 mSDtfsCounter, 7906 mSDsluCounter, 13938 mSDsCounter, 0 mSdLazyCounter, 16866 mSolverCounterSat, 4438 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8453 SdHoareTripleChecker+Valid, 18612 SdHoareTripleChecker+Invalid, 21305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4438 IncrementalHoareTripleChecker+Valid, 16866 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:27,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8453 Valid, 18612 Invalid, 21305 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4438 Valid, 16866 Invalid, 1 Unknown, 0 Unchecked, 35.2s Time] [2023-11-06 22:04:27,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22948 states. [2023-11-06 22:04:29,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22948 to 19946. [2023-11-06 22:04:29,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19946 states, 14695 states have (on average 1.3998638992854713) internal successors, (20571), 15079 states have internal predecessors, (20571), 4543 states have call successors, (4543), 700 states have call predecessors, (4543), 707 states have return successors, (4610), 4434 states have call predecessors, (4610), 4542 states have call successors, (4610) [2023-11-06 22:04:29,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19946 states to 19946 states and 29724 transitions. [2023-11-06 22:04:29,602 INFO L78 Accepts]: Start accepts. Automaton has 19946 states and 29724 transitions. Word has length 137 [2023-11-06 22:04:29,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:29,602 INFO L495 AbstractCegarLoop]: Abstraction has 19946 states and 29724 transitions. [2023-11-06 22:04:29,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:04:29,603 INFO L276 IsEmpty]: Start isEmpty. Operand 19946 states and 29724 transitions. [2023-11-06 22:04:29,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 22:04:29,625 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:29,626 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:29,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:04:29,626 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:04:29,627 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:29,627 INFO L85 PathProgramCache]: Analyzing trace with hash -781584377, now seen corresponding path program 1 times [2023-11-06 22:04:29,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:29,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687212494] [2023-11-06 22:04:29,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:29,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:04:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:29,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:04:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:29,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:04:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:29,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:04:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:04:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:04:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:30,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:04:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:30,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 22:04:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:30,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:04:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:30,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:30,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:04:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:30,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 22:04:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:30,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-06 22:04:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:30,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 22:04:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:30,106 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-06 22:04:30,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:30,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687212494] [2023-11-06 22:04:30,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687212494] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:30,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:30,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:04:30,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494765847] [2023-11-06 22:04:30,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:30,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:04:30,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:30,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:04:30,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:04:30,109 INFO L87 Difference]: Start difference. First operand 19946 states and 29724 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:04:40,903 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 22:04:50,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:50,398 INFO L93 Difference]: Finished difference Result 22931 states and 34786 transitions. [2023-11-06 22:04:50,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:04:50,398 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 137 [2023-11-06 22:04:50,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:50,522 INFO L225 Difference]: With dead ends: 22931 [2023-11-06 22:04:50,522 INFO L226 Difference]: Without dead ends: 22928 [2023-11-06 22:04:50,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:04:50,536 INFO L413 NwaCegarLoop]: 2701 mSDtfsCounter, 3475 mSDsluCounter, 6562 mSDsCounter, 0 mSdLazyCounter, 7830 mSolverCounterSat, 2817 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3692 SdHoareTripleChecker+Valid, 9263 SdHoareTripleChecker+Invalid, 10648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2817 IncrementalHoareTripleChecker+Valid, 7830 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:50,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3692 Valid, 9263 Invalid, 10648 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2817 Valid, 7830 Invalid, 1 Unknown, 0 Unchecked, 18.6s Time] [2023-11-06 22:04:50,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22928 states. [2023-11-06 22:04:52,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22928 to 19952. [2023-11-06 22:04:52,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19952 states, 14701 states have (on average 1.39970070063261) internal successors, (20577), 15085 states have internal predecessors, (20577), 4543 states have call successors, (4543), 700 states have call predecessors, (4543), 707 states have return successors, (4610), 4434 states have call predecessors, (4610), 4542 states have call successors, (4610) [2023-11-06 22:04:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19952 states to 19952 states and 29730 transitions. [2023-11-06 22:04:52,136 INFO L78 Accepts]: Start accepts. Automaton has 19952 states and 29730 transitions. Word has length 137 [2023-11-06 22:04:52,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:52,137 INFO L495 AbstractCegarLoop]: Abstraction has 19952 states and 29730 transitions. [2023-11-06 22:04:52,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:04:52,137 INFO L276 IsEmpty]: Start isEmpty. Operand 19952 states and 29730 transitions. [2023-11-06 22:04:52,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-06 22:04:52,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:52,163 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:52,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:04:52,163 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:04:52,164 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:52,164 INFO L85 PathProgramCache]: Analyzing trace with hash 467542268, now seen corresponding path program 1 times [2023-11-06 22:04:52,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:52,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612470200] [2023-11-06 22:04:52,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:52,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:04:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:04:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:04:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:04:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:04:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:04:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:04:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 22:04:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:04:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:04:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 22:04:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-06 22:04:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 22:04:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-06 22:04:52,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:52,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612470200] [2023-11-06 22:04:52,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612470200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:52,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:52,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:04:52,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148366254] [2023-11-06 22:04:52,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:52,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:04:52,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:52,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:04:52,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:04:52,846 INFO L87 Difference]: Start difference. First operand 19952 states and 29730 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:05:02,673 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 22:05:14,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:14,725 INFO L93 Difference]: Finished difference Result 46090 states and 68894 transitions. [2023-11-06 22:05:14,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:05:14,726 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 139 [2023-11-06 22:05:14,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:14,735 INFO L225 Difference]: With dead ends: 46090 [2023-11-06 22:05:14,735 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:05:14,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:05:14,912 INFO L413 NwaCegarLoop]: 2745 mSDtfsCounter, 6086 mSDsluCounter, 7114 mSDsCounter, 0 mSdLazyCounter, 10676 mSolverCounterSat, 4149 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6450 SdHoareTripleChecker+Valid, 9859 SdHoareTripleChecker+Invalid, 14826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4149 IncrementalHoareTripleChecker+Valid, 10676 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:14,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6450 Valid, 9859 Invalid, 14826 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4149 Valid, 10676 Invalid, 1 Unknown, 0 Unchecked, 19.5s Time] [2023-11-06 22:05:14,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:05:14,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:05:14,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:05:14,923 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2023-11-06 22:05:14,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:14,926 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:05:14,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:05:14,926 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:05:14,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:05:14,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:05:14,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:05:14,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.