./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d9d03a-a0d0-4bbf-93df-fab26738243a/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d9d03a-a0d0-4bbf-93df-fab26738243a/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d9d03a-a0d0-4bbf-93df-fab26738243a/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d9d03a-a0d0-4bbf-93df-fab26738243a/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d9d03a-a0d0-4bbf-93df-fab26738243a/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d9d03a-a0d0-4bbf-93df-fab26738243a/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0991342cd9e67cbadb964d86a1516812eb3aa45e84d4674c09b8e10a19f475c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:14:01,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:14:01,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d9d03a-a0d0-4bbf-93df-fab26738243a/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:14:01,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:14:01,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:14:01,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:14:01,966 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:14:01,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:14:01,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:14:01,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:14:01,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:14:01,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:14:01,981 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:14:01,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:14:01,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:14:01,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:14:01,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:14:01,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:14:01,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:14:01,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:14:01,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:14:01,987 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:14:01,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:14:01,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:14:01,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:14:01,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:14:01,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:14:01,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:14:01,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:14:01,992 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:14:01,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:14:01,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:14:01,994 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:14:01,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:14:01,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:14:01,994 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:14:01,995 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_43d9d03a-a0d0-4bbf-93df-fab26738243a/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d9d03a-a0d0-4bbf-93df-fab26738243a/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0991342cd9e67cbadb964d86a1516812eb3aa45e84d4674c09b8e10a19f475c1 [2023-11-12 02:14:02,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:14:02,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:14:02,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:14:02,302 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:14:02,303 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:14:02,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d9d03a-a0d0-4bbf-93df-fab26738243a/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2023-11-12 02:14:05,406 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:14:06,231 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:14:06,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d9d03a-a0d0-4bbf-93df-fab26738243a/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2023-11-12 02:14:06,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d9d03a-a0d0-4bbf-93df-fab26738243a/bin/uautomizer-verify-uTZkv6EMXl/data/ad8414476/29b5af4ee7194285a4be884271b98266/FLAGadc9ec4ee [2023-11-12 02:14:06,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d9d03a-a0d0-4bbf-93df-fab26738243a/bin/uautomizer-verify-uTZkv6EMXl/data/ad8414476/29b5af4ee7194285a4be884271b98266 [2023-11-12 02:14:06,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:14:06,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:14:06,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:14:06,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:14:06,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:14:06,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:14:06" (1/1) ... [2023-11-12 02:14:06,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3e54ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:06, skipping insertion in model container [2023-11-12 02:14:06,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:14:06" (1/1) ... [2023-11-12 02:14:06,522 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:14:09,370 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_43d9d03a-a0d0-4bbf-93df-fab26738243a/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i[339370,339383] [2023-11-12 02:14:09,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:14:09,598 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:14:09,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3721] [2023-11-12 02:14:09,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3728] [2023-11-12 02:14:09,691 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/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (825), "i" (12UL)); [3799-3800] [2023-11-12 02:14:09,691 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.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3805-3807] [2023-11-12 02:14:09,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [3921] [2023-11-12 02:14:09,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [3928] [2023-11-12 02:14:09,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7398] [2023-11-12 02:14:09,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7401] [2023-11-12 02:14:09,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7446] [2023-11-12 02:14:09,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7467] [2023-11-12 02:14:09,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7493] [2023-11-12 02:14:09,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7582] [2023-11-12 02:14:10,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7787] [2023-11-12 02:14:10,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7883] [2023-11-12 02:14:10,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7914] [2023-11-12 02:14:10,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7966] [2023-11-12 02:14:10,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8065] [2023-11-12 02:14:10,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8138] [2023-11-12 02:14:10,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8314] [2023-11-12 02:14:10,125 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_43d9d03a-a0d0-4bbf-93df-fab26738243a/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i[339370,339383] [2023-11-12 02:14:10,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:14:10,298 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:14:10,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:10 WrapperNode [2023-11-12 02:14:10,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:14:10,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:14:10,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:14:10,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:14:10,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:10" (1/1) ... [2023-11-12 02:14:10,452 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:10" (1/1) ... [2023-11-12 02:14:10,891 INFO L138 Inliner]: procedures = 326, calls = 4607, calls flagged for inlining = 133, calls inlined = 123, statements flattened = 10169 [2023-11-12 02:14:10,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:14:10,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:14:10,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:14:10,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:14:10,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:10" (1/1) ... [2023-11-12 02:14:10,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:10" (1/1) ... [2023-11-12 02:14:11,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:10" (1/1) ... [2023-11-12 02:14:11,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:10" (1/1) ... [2023-11-12 02:14:11,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:10" (1/1) ... [2023-11-12 02:14:11,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:10" (1/1) ... [2023-11-12 02:14:11,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:10" (1/1) ... [2023-11-12 02:14:11,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:10" (1/1) ... [2023-11-12 02:14:11,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:14:11,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:14:11,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:14:11,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:14:11,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:10" (1/1) ... [2023-11-12 02:14:11,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:14:11,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d9d03a-a0d0-4bbf-93df-fab26738243a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:14:11,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d9d03a-a0d0-4bbf-93df-fab26738243a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:14:11,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d9d03a-a0d0-4bbf-93df-fab26738243a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:14:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2023-11-12 02:14:11,576 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2023-11-12 02:14:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 02:14:11,577 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 02:14:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-12 02:14:11,577 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-12 02:14:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-11-12 02:14:11,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-11-12 02:14:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2023-11-12 02:14:11,578 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2023-11-12 02:14:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2023-11-12 02:14:11,578 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2023-11-12 02:14:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2023-11-12 02:14:11,578 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2023-11-12 02:14:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_suspend [2023-11-12 02:14:11,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_suspend [2023-11-12 02:14:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2023-11-12 02:14:11,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2023-11-12 02:14:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2023-11-12 02:14:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2023-11-12 02:14:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_probe [2023-11-12 02:14:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_probe [2023-11-12 02:14:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:14:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:14:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-12 02:14:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-12 02:14:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2023-11-12 02:14:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2023-11-12 02:14:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2023-11-12 02:14:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2023-11-12 02:14:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2023-11-12 02:14:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2023-11-12 02:14:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2023-11-12 02:14:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2023-11-12 02:14:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2023-11-12 02:14:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2023-11-12 02:14:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_pci_reset [2023-11-12 02:14:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_pci_reset [2023-11-12 02:14:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2023-11-12 02:14:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2023-11-12 02:14:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:14:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:14:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:14:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:14:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2023-11-12 02:14:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2023-11-12 02:14:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2023-11-12 02:14:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2023-11-12 02:14:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2023-11-12 02:14:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2023-11-12 02:14:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 02:14:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 02:14:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:14:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:14:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2023-11-12 02:14:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2023-11-12 02:14:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_resume [2023-11-12 02:14:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_resume [2023-11-12 02:14:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_suspend [2023-11-12 02:14:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_suspend [2023-11-12 02:14:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2023-11-12 02:14:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2023-11-12 02:14:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-12 02:14:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-12 02:14:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:14:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:14:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2023-11-12 02:14:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2023-11-12 02:14:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hcd_init [2023-11-12 02:14:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hcd_init [2023-11-12 02:14:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2023-11-12 02:14:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2023-11-12 02:14:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-12 02:14:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-12 02:14:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-12 02:14:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-12 02:14:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:14:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2023-11-12 02:14:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2023-11-12 02:14:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 02:14:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 02:14:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:14:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-11-12 02:14:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-11-12 02:14:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_pci_remove [2023-11-12 02:14:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_pci_remove [2023-11-12 02:14:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure check_ed [2023-11-12 02:14:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure check_ed [2023-11-12 02:14:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2023-11-12 02:14:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2023-11-12 02:14:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2023-11-12 02:14:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2023-11-12 02:14:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:14:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:14:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-11-12 02:14:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-11-12 02:14:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2023-11-12 02:14:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2023-11-12 02:14:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure broken_suspend [2023-11-12 02:14:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_suspend [2023-11-12 02:14:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:14:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2023-11-12 02:14:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2023-11-12 02:14:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_platform_shutdown [2023-11-12 02:14:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_platform_shutdown [2023-11-12 02:14:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:14:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2023-11-12 02:14:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2023-11-12 02:14:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-12 02:14:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-12 02:14:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2023-11-12 02:14:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2023-11-12 02:14:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_remove [2023-11-12 02:14:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_remove [2023-11-12 02:14:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-12 02:14:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-12 02:14:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 02:14:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 02:14:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 02:14:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 02:14:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2023-11-12 02:14:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2023-11-12 02:14:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 02:14:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 02:14:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:14:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:14:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 02:14:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 02:14:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_resume [2023-11-12 02:14:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_resume [2023-11-12 02:14:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2023-11-12 02:14:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2023-11-12 02:14:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 02:14:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 02:14:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-12 02:14:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-12 02:14:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_start [2023-11-12 02:14:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_start [2023-11-12 02:14:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2023-11-12 02:14:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2023-11-12 02:14:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2023-11-12 02:14:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2023-11-12 02:14:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:14:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:14:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-12 02:14:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-12 02:14:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 02:14:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 02:14:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2023-11-12 02:14:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2023-11-12 02:14:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2023-11-12 02:14:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2023-11-12 02:14:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2023-11-12 02:14:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2023-11-12 02:14:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:14:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2023-11-12 02:14:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2023-11-12 02:14:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2023-11-12 02:14:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2023-11-12 02:14:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2023-11-12 02:14:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2023-11-12 02:14:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2023-11-12 02:14:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2023-11-12 02:14:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2023-11-12 02:14:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2023-11-12 02:14:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2023-11-12 02:14:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2023-11-12 02:14:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2023-11-12 02:14:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2023-11-12 02:14:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2023-11-12 02:14:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2023-11-12 02:14:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2023-11-12 02:14:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2023-11-12 02:14:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_pci_start [2023-11-12 02:14:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_pci_start [2023-11-12 02:14:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2023-11-12 02:14:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2023-11-12 02:14:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2023-11-12 02:14:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2023-11-12 02:14:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:14:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:14:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2023-11-12 02:14:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2023-11-12 02:14:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-12 02:14:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-12 02:14:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2023-11-12 02:14:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2023-11-12 02:14:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:14:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure takeback_td [2023-11-12 02:14:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure takeback_td [2023-11-12 02:14:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-12 02:14:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-12 02:14:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2023-11-12 02:14:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2023-11-12 02:14:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 02:14:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 02:14:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:14:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:14:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2023-11-12 02:14:11,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2023-11-12 02:14:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:14:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2023-11-12 02:14:11,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2023-11-12 02:14:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure dl_done_list [2023-11-12 02:14:11,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dl_done_list [2023-11-12 02:14:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2023-11-12 02:14:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2023-11-12 02:14:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-12 02:14:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-12 02:14:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:14:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2023-11-12 02:14:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2023-11-12 02:14:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-11-12 02:14:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-11-12 02:14:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:14:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:14:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:14:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2023-11-12 02:14:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2023-11-12 02:14:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2023-11-12 02:14:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2023-11-12 02:14:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2023-11-12 02:14:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2023-11-12 02:14:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:14:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:14:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2023-11-12 02:14:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2023-11-12 02:14:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 02:14:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 02:14:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc16 [2023-11-12 02:14:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc16 [2023-11-12 02:14:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:14:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:14:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-12 02:14:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-12 02:14:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2023-11-12 02:14:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2023-11-12 02:14:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2023-11-12 02:14:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2023-11-12 02:14:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 02:14:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 02:14:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2023-11-12 02:14:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2023-11-12 02:14:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2023-11-12 02:14:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2023-11-12 02:14:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2023-11-12 02:14:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2023-11-12 02:14:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure finish_unlinks [2023-11-12 02:14:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_unlinks [2023-11-12 02:14:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2023-11-12 02:14:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2023-11-12 02:14:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-11-12 02:14:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-11-12 02:14:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2023-11-12 02:14:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2023-11-12 02:14:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2023-11-12 02:14:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2023-11-12 02:14:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2023-11-12 02:14:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2023-11-12 02:14:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2023-11-12 02:14:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2023-11-12 02:14:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2023-11-12 02:14:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2023-11-12 02:14:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:14:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:14:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-12 02:14:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-12 02:14:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2023-11-12 02:14:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2023-11-12 02:14:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 02:14:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 02:14:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2023-11-12 02:14:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2023-11-12 02:14:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2023-11-12 02:14:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2023-11-12 02:14:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-12 02:14:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-12 02:14:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 02:14:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 02:14:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2023-11-12 02:14:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2023-11-12 02:14:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_reset [2023-11-12 02:14:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_reset [2023-11-12 02:14:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_pci_shutdown [2023-11-12 02:14:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_pci_shutdown [2023-11-12 02:14:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-12 02:14:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-12 02:14:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:14:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:14:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:14:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-11-12 02:14:11,657 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-11-12 02:14:12,811 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:14:12,815 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:14:25,881 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:14:25,913 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:14:25,913 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 02:14:25,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:25 BoogieIcfgContainer [2023-11-12 02:14:25,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:14:25,923 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:14:25,923 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:14:25,926 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:14:25,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:14:06" (1/3) ... [2023-11-12 02:14:25,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155552b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:14:25, skipping insertion in model container [2023-11-12 02:14:25,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:10" (2/3) ... [2023-11-12 02:14:25,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155552b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:14:25, skipping insertion in model container [2023-11-12 02:14:25,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:25" (3/3) ... [2023-11-12 02:14:25,929 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2023-11-12 02:14:25,948 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:14:25,949 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:14:26,088 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:14:26,095 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1b8148fd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:14:26,096 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:14:26,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 4170 states, 3096 states have (on average 1.4757751937984496) internal successors, (4569), 3167 states have internal predecessors, (4569), 936 states have call successors, (936), 140 states have call predecessors, (936), 140 states have return successors, (936), 927 states have call predecessors, (936), 936 states have call successors, (936) [2023-11-12 02:14:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 02:14:26,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:26,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:26,128 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:14:26,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:26,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1136725065, now seen corresponding path program 1 times [2023-11-12 02:14:26,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:26,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999445544] [2023-11-12 02:14:26,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:26,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:27,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:27,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:27,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999445544] [2023-11-12 02:14:27,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999445544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:27,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:27,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:14:27,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683036069] [2023-11-12 02:14:27,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:27,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:14:27,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:27,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:14:27,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:27,198 INFO L87 Difference]: Start difference. First operand has 4170 states, 3096 states have (on average 1.4757751937984496) internal successors, (4569), 3167 states have internal predecessors, (4569), 936 states have call successors, (936), 140 states have call predecessors, (936), 140 states have return successors, (936), 927 states have call predecessors, (936), 936 states have call successors, (936) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:28,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:28,016 INFO L93 Difference]: Finished difference Result 12454 states and 19556 transitions. [2023-11-12 02:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:14:28,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-12 02:14:28,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:14:28,156 INFO L225 Difference]: With dead ends: 12454 [2023-11-12 02:14:28,156 INFO L226 Difference]: Without dead ends: 8277 [2023-11-12 02:14:28,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:28,234 INFO L413 NwaCegarLoop]: 6760 mSDtfsCounter, 6320 mSDsluCounter, 6345 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6320 SdHoareTripleChecker+Valid, 13105 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:14:28,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6320 Valid, 13105 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:14:28,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8277 states. [2023-11-12 02:14:29,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8277 to 8263. [2023-11-12 02:14:29,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8263 states, 6130 states have (on average 1.4608482871125612) internal successors, (8955), 6264 states have internal predecessors, (8955), 1854 states have call successors, (1854), 279 states have call predecessors, (1854), 278 states have return successors, (1848), 1829 states have call predecessors, (1848), 1848 states have call successors, (1848) [2023-11-12 02:14:29,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8263 states to 8263 states and 12657 transitions. [2023-11-12 02:14:29,199 INFO L78 Accepts]: Start accepts. Automaton has 8263 states and 12657 transitions. Word has length 14 [2023-11-12 02:14:29,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:14:29,200 INFO L495 AbstractCegarLoop]: Abstraction has 8263 states and 12657 transitions. [2023-11-12 02:14:29,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:29,201 INFO L276 IsEmpty]: Start isEmpty. Operand 8263 states and 12657 transitions. [2023-11-12 02:14:29,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 02:14:29,211 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:29,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:29,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:14:29,212 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:14:29,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:29,213 INFO L85 PathProgramCache]: Analyzing trace with hash 740887205, now seen corresponding path program 1 times [2023-11-12 02:14:29,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:29,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927621771] [2023-11-12 02:14:29,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:29,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:29,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:29,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:29,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927621771] [2023-11-12 02:14:29,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927621771] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:29,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:29,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:14:29,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994616151] [2023-11-12 02:14:29,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:29,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:14:29,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:29,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:14:29,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:29,857 INFO L87 Difference]: Start difference. First operand 8263 states and 12657 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:30,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:30,761 INFO L93 Difference]: Finished difference Result 24739 states and 37891 transitions. [2023-11-12 02:14:30,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:14:30,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-12 02:14:30,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:14:30,967 INFO L225 Difference]: With dead ends: 24739 [2023-11-12 02:14:30,967 INFO L226 Difference]: Without dead ends: 16479 [2023-11-12 02:14:31,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:31,044 INFO L413 NwaCegarLoop]: 7335 mSDtfsCounter, 6312 mSDsluCounter, 6339 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6312 SdHoareTripleChecker+Valid, 13674 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:14:31,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6312 Valid, 13674 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:14:31,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16479 states. [2023-11-12 02:14:32,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16479 to 16465. [2023-11-12 02:14:32,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16465 states, 12214 states have (on average 1.460373342066481) internal successors, (17837), 12478 states have internal predecessors, (17837), 3694 states have call successors, (3694), 557 states have call predecessors, (3694), 556 states have return successors, (3688), 3649 states have call predecessors, (3688), 3688 states have call successors, (3688) [2023-11-12 02:14:32,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16465 states to 16465 states and 25219 transitions. [2023-11-12 02:14:32,627 INFO L78 Accepts]: Start accepts. Automaton has 16465 states and 25219 transitions. Word has length 16 [2023-11-12 02:14:32,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:14:32,628 INFO L495 AbstractCegarLoop]: Abstraction has 16465 states and 25219 transitions. [2023-11-12 02:14:32,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:32,629 INFO L276 IsEmpty]: Start isEmpty. Operand 16465 states and 25219 transitions. [2023-11-12 02:14:32,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 02:14:32,633 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:32,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:32,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:14:32,635 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:14:32,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:32,635 INFO L85 PathProgramCache]: Analyzing trace with hash 2140288603, now seen corresponding path program 1 times [2023-11-12 02:14:32,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:32,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077050762] [2023-11-12 02:14:32,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:32,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:33,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:33,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:33,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077050762] [2023-11-12 02:14:33,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077050762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:33,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:33,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:14:33,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605291877] [2023-11-12 02:14:33,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:33,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:14:33,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:33,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:14:33,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:33,236 INFO L87 Difference]: Start difference. First operand 16465 states and 25219 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:34,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:34,625 INFO L93 Difference]: Finished difference Result 49243 states and 75434 transitions. [2023-11-12 02:14:34,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:14:34,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-11-12 02:14:34,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:14:35,031 INFO L225 Difference]: With dead ends: 49243 [2023-11-12 02:14:35,031 INFO L226 Difference]: Without dead ends: 32781 [2023-11-12 02:14:35,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:35,129 INFO L413 NwaCegarLoop]: 6929 mSDtfsCounter, 6310 mSDsluCounter, 6339 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6310 SdHoareTripleChecker+Valid, 13268 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:14:35,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6310 Valid, 13268 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:14:35,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32781 states. [2023-11-12 02:14:36,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32781 to 32767. [2023-11-12 02:14:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32767 states, 24303 states have (on average 1.4602312471711312) internal successors, (35488), 24826 states have internal predecessors, (35488), 7358 states have call successors, (7358), 1106 states have call predecessors, (7358), 1105 states have return successors, (7352), 7273 states have call predecessors, (7352), 7352 states have call successors, (7352) [2023-11-12 02:14:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32767 states to 32767 states and 50198 transitions. [2023-11-12 02:14:37,329 INFO L78 Accepts]: Start accepts. Automaton has 32767 states and 50198 transitions. Word has length 18 [2023-11-12 02:14:37,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:14:37,330 INFO L495 AbstractCegarLoop]: Abstraction has 32767 states and 50198 transitions. [2023-11-12 02:14:37,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:37,330 INFO L276 IsEmpty]: Start isEmpty. Operand 32767 states and 50198 transitions. [2023-11-12 02:14:37,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-12 02:14:37,336 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:37,337 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:37,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:14:37,337 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:14:37,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:37,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1393938807, now seen corresponding path program 1 times [2023-11-12 02:14:37,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:37,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497977829] [2023-11-12 02:14:37,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:37,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:38,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-12 02:14:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:38,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:38,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:38,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497977829] [2023-11-12 02:14:38,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497977829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:38,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:38,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:14:38,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974071226] [2023-11-12 02:14:38,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:38,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:14:38,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:38,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:14:38,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:14:38,291 INFO L87 Difference]: Start difference. First operand 32767 states and 50198 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:14:40,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:40,183 INFO L93 Difference]: Finished difference Result 65566 states and 100446 transitions. [2023-11-12 02:14:40,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:14:40,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-11-12 02:14:40,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:14:40,502 INFO L225 Difference]: With dead ends: 65566 [2023-11-12 02:14:40,502 INFO L226 Difference]: Without dead ends: 32802 [2023-11-12 02:14:40,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:14:40,673 INFO L413 NwaCegarLoop]: 6354 mSDtfsCounter, 22 mSDsluCounter, 12703 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 19057 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:14:40,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 19057 Invalid, 18 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:14:40,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32802 states. [2023-11-12 02:14:42,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32802 to 32770. [2023-11-12 02:14:42,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32770 states, 24306 states have (on average 1.4601744425244796) internal successors, (35491), 24829 states have internal predecessors, (35491), 7358 states have call successors, (7358), 1106 states have call predecessors, (7358), 1105 states have return successors, (7352), 7273 states have call predecessors, (7352), 7352 states have call successors, (7352) [2023-11-12 02:14:42,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32770 states to 32770 states and 50201 transitions. [2023-11-12 02:14:42,550 INFO L78 Accepts]: Start accepts. Automaton has 32770 states and 50201 transitions. Word has length 29 [2023-11-12 02:14:42,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:14:42,551 INFO L495 AbstractCegarLoop]: Abstraction has 32770 states and 50201 transitions. [2023-11-12 02:14:42,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:14:42,551 INFO L276 IsEmpty]: Start isEmpty. Operand 32770 states and 50201 transitions. [2023-11-12 02:14:42,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-12 02:14:42,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:42,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:42,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:14:42,558 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:14:42,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:42,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1451197109, now seen corresponding path program 1 times [2023-11-12 02:14:42,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:42,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263388013] [2023-11-12 02:14:42,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:42,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:42,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-12 02:14:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:43,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:43,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:43,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263388013] [2023-11-12 02:14:43,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263388013] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:43,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:43,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:14:43,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117071419] [2023-11-12 02:14:43,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:43,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:14:43,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:43,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:14:43,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:43,316 INFO L87 Difference]: Start difference. First operand 32770 states and 50201 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:14:44,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:44,754 INFO L93 Difference]: Finished difference Result 32772 states and 50202 transitions. [2023-11-12 02:14:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:14:44,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-11-12 02:14:44,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:14:44,959 INFO L225 Difference]: With dead ends: 32772 [2023-11-12 02:14:44,959 INFO L226 Difference]: Without dead ends: 32769 [2023-11-12 02:14:44,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:44,977 INFO L413 NwaCegarLoop]: 6354 mSDtfsCounter, 6332 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6332 SdHoareTripleChecker+Valid, 6354 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:14:44,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6332 Valid, 6354 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:14:45,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32769 states.