./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_c2b57d10-2a31-4dd7-8363-e5ba3099045f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b57d10-2a31-4dd7-8363-e5ba3099045f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b57d10-2a31-4dd7-8363-e5ba3099045f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b57d10-2a31-4dd7-8363-e5ba3099045f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b57d10-2a31-4dd7-8363-e5ba3099045f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b57d10-2a31-4dd7-8363-e5ba3099045f/bin/uautomizer-verify-VRDe98Ueme --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 818c635cf736ceef0cf6e46266c8f75f5ad55dd0b6a806d4c2f32c53e0369659 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:51:30,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:51:30,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b57d10-2a31-4dd7-8363-e5ba3099045f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 11:51:30,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:51:30,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:51:30,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:51:30,801 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:51:30,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:51:30,802 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:51:30,803 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:51:30,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:51:30,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:51:30,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:51:30,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:51:30,806 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:51:30,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:51:30,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:51:30,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:51:30,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:51:30,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:51:30,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:51:30,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:51:30,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:51:30,811 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:51:30,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:51:30,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:51:30,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:51:30,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:51:30,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:51:30,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:51:30,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:51:30,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:51:30,817 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:51:30,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:51:30,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:51:30,818 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:51:30,818 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:51:30,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:51:30,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:51:30,820 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_c2b57d10-2a31-4dd7-8363-e5ba3099045f/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b57d10-2a31-4dd7-8363-e5ba3099045f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 818c635cf736ceef0cf6e46266c8f75f5ad55dd0b6a806d4c2f32c53e0369659 [2023-11-26 11:51:31,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:51:31,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:51:31,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:51:31,098 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:51:31,099 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:51:31,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b57d10-2a31-4dd7-8363-e5ba3099045f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2023-11-26 11:51:34,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:51:34,880 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:51:34,880 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b57d10-2a31-4dd7-8363-e5ba3099045f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2023-11-26 11:51:34,931 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b57d10-2a31-4dd7-8363-e5ba3099045f/bin/uautomizer-verify-VRDe98Ueme/data/34a908fb4/13f1a8d222c545f3af26dabb53aecfb4/FLAG82821b157 [2023-11-26 11:51:34,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b57d10-2a31-4dd7-8363-e5ba3099045f/bin/uautomizer-verify-VRDe98Ueme/data/34a908fb4/13f1a8d222c545f3af26dabb53aecfb4 [2023-11-26 11:51:34,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:51:34,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:51:34,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:51:34,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:51:34,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:51:34,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:34" (1/1) ... [2023-11-26 11:51:34,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4972257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:34, skipping insertion in model container [2023-11-26 11:51:34,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:34" (1/1) ... [2023-11-26 11:51:35,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:51:37,188 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_c2b57d10-2a31-4dd7-8363-e5ba3099045f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i[199878,199891] [2023-11-26 11:51:37,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:51:37,401 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:51:37,535 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" (179), "i" (12UL)); [3950-3951] [2023-11-26 11:51:37,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c6;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c5\n .byte 772b-771b\n .short %c7\n.popsection\n": "=D" (__edi), "=S" (__esi), "=d" (__edx), "=c" (__ecx), "=a" (__eax): [paravirt_typenum] "i" (35UL), [paravirt_opptr] "i" (& pv_cpu_ops.read_tsc), [paravirt_clobber] "i" (511): "memory", "cc", "r8", "r9", "r10", "r11"); [3956-3959] [2023-11-26 11:51:37,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("661:\n\tprefetcht0 (%1)\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word (1*32+31)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\tprefetchw (%1)\n6641:\n\t.popsection": : "i" (0), "r" (x)); [3967-3968] [2023-11-26 11:51:37,539 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; addl %1,%0": "+m" (v->counter): "ir" (i)); [3988] [2023-11-26 11:51:37,539 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; subl %2,%0; sete %1": "+m" (v->counter), "=qm" (c): "ir" (i): "memory"); [3995-3996] [2023-11-26 11:51:37,540 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; incl %0": "+m" (v->counter)); [4003] [2023-11-26 11:51:37,609 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)front) [4600] [2023-11-26 11:51:37,611 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)back) [4601] [2023-11-26 11:51:37,871 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/work/current--X--drivers/video/udlfb.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/video/udlfb.c.prepared"), "i" (1990), "i" (12UL)); [6381-6382] [2023-11-26 11:51:37,874 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/work/current--X--drivers/video/udlfb.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/video/udlfb.c.prepared"), "i" (2008), "i" (12UL)); [6404-6405] [2023-11-26 11:51:37,921 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_c2b57d10-2a31-4dd7-8363-e5ba3099045f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i[199878,199891] [2023-11-26 11:51:37,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:51:38,073 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:51:38,081 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:51:38,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:38 WrapperNode [2023-11-26 11:51:38,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:51:38,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:51:38,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:51:38,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:51:38,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:38" (1/1) ... [2023-11-26 11:51:38,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:38" (1/1) ... [2023-11-26 11:51:38,422 INFO L138 Inliner]: procedures = 257, calls = 1528, calls flagged for inlining = 110, calls inlined = 100, statements flattened = 3990 [2023-11-26 11:51:38,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:51:38,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:51:38,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:51:38,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:51:38,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:38" (1/1) ... [2023-11-26 11:51:38,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:38" (1/1) ... [2023-11-26 11:51:38,458 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:38" (1/1) ... [2023-11-26 11:51:39,351 INFO L175 MemorySlicer]: Split 802 memory accesses to 31 slices as follows [17, 6, 1, 32, 4, 4, 4, 2, 480, 28, 6, 6, 4, 5, 2, 9, 2, 2, 9, 6, 12, 17, 6, 42, 1, 4, 70, 2, 6, 5, 8]. 60 percent of accesses are in the largest equivalence class. The 229 initializations are split as follows [17, 0, 0, 0, 0, 0, 0, 0, 92, 0, 0, 6, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 42, 0, 0, 70, 0, 0, 0, 0]. The 214 writes are split as follows [0, 2, 0, 5, 0, 0, 2, 1, 142, 13, 3, 0, 0, 3, 0, 2, 1, 1, 3, 3, 4, 17, 3, 0, 0, 0, 0, 1, 3, 2, 3]. [2023-11-26 11:51:39,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:38" (1/1) ... [2023-11-26 11:51:39,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:38" (1/1) ... [2023-11-26 11:51:39,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:38" (1/1) ... [2023-11-26 11:51:39,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:38" (1/1) ... [2023-11-26 11:51:39,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:38" (1/1) ... [2023-11-26 11:51:39,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:38" (1/1) ... [2023-11-26 11:51:39,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:51:39,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:51:39,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:51:39,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:51:39,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:38" (1/1) ... [2023-11-26 11:51:39,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:51:39,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b57d10-2a31-4dd7-8363-e5ba3099045f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:39,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b57d10-2a31-4dd7-8363-e5ba3099045f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:39,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b57d10-2a31-4dd7-8363-e5ba3099045f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:51:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-26 11:51:39,772 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-26 11:51:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2023-11-26 11:51:39,772 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2023-11-26 11:51:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-26 11:51:39,773 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-26 11:51:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2023-11-26 11:51:39,773 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2023-11-26 11:51:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2023-11-26 11:51:39,773 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2023-11-26 11:51:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-26 11:51:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-26 11:51:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-26 11:51:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-26 11:51:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-26 11:51:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-26 11:51:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-26 11:51:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-26 11:51:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-26 11:51:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-26 11:51:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-26 11:51:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-26 11:51:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-26 11:51:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-26 11:51:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-26 11:51:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-26 11:51:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-26 11:51:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-26 11:51:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-26 11:51:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-26 11:51:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-26 11:51:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-26 11:51:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2023-11-26 11:51:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2023-11-26 11:51:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2023-11-26 11:51:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2023-11-26 11:51:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2023-11-26 11:51:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2023-11-26 11:51:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2023-11-26 11:51:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2023-11-26 11:51:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#30 [2023-11-26 11:51:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-26 11:51:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-26 11:51:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-26 11:51:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-26 11:51:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-26 11:51:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-26 11:51:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-26 11:51:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-26 11:51:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-26 11:51:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-26 11:51:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-26 11:51:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-26 11:51:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-26 11:51:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-26 11:51:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-26 11:51:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-26 11:51:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-26 11:51:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-26 11:51:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-26 11:51:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-26 11:51:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-26 11:51:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-26 11:51:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2023-11-26 11:51:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2023-11-26 11:51:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2023-11-26 11:51:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2023-11-26 11:51:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2023-11-26 11:51:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2023-11-26 11:51:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2023-11-26 11:51:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2023-11-26 11:51:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2023-11-26 11:51:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2023-11-26 11:51:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2023-11-26 11:51:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2023-11-26 11:51:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2023-11-26 11:51:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2023-11-26 11:51:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2023-11-26 11:51:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 11:51:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 11:51:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2023-11-26 11:51:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2023-11-26 11:51:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2023-11-26 11:51:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2023-11-26 11:51:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2023-11-26 11:51:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2023-11-26 11:51:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2023-11-26 11:51:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2023-11-26 11:51:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-26 11:51:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-26 11:51:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-26 11:51:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-26 11:51:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2023-11-26 11:51:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2023-11-26 11:51:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 11:51:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 11:51:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-26 11:51:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-26 11:51:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-26 11:51:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-26 11:51:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-26 11:51:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-26 11:51:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-26 11:51:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-26 11:51:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-26 11:51:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-26 11:51:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-26 11:51:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-26 11:51:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-26 11:51:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-26 11:51:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-26 11:51:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-26 11:51:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-26 11:51:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-26 11:51:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-26 11:51:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-26 11:51:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-26 11:51:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-26 11:51:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-26 11:51:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2023-11-26 11:51:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2023-11-26 11:51:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2023-11-26 11:51:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2023-11-26 11:51:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2023-11-26 11:51:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2023-11-26 11:51:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2023-11-26 11:51:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2023-11-26 11:51:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2023-11-26 11:51:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2023-11-26 11:51:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-26 11:51:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-26 11:51:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-26 11:51:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-26 11:51:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-26 11:51:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-26 11:51:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-26 11:51:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-26 11:51:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-26 11:51:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-26 11:51:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-26 11:51:39,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-26 11:51:39,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-26 11:51:39,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-26 11:51:39,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-26 11:51:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-26 11:51:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-26 11:51:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-26 11:51:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-26 11:51:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-26 11:51:39,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-26 11:51:39,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2023-11-26 11:51:39,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2023-11-26 11:51:39,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2023-11-26 11:51:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2023-11-26 11:51:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2023-11-26 11:51:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2023-11-26 11:51:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2023-11-26 11:51:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2023-11-26 11:51:39,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2023-11-26 11:51:39,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2023-11-26 11:51:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2023-11-26 11:51:39,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2023-11-26 11:51:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2023-11-26 11:51:39,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2023-11-26 11:51:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2023-11-26 11:51:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2023-11-26 11:51:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-26 11:51:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-26 11:51:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-26 11:51:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-26 11:51:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2023-11-26 11:51:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2023-11-26 11:51:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:51:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-26 11:51:39,817 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-26 11:51:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-26 11:51:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2023-11-26 11:51:39,817 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2023-11-26 11:51:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-11-26 11:51:39,817 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-11-26 11:51:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 11:51:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 11:51:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 11:51:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 11:51:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 11:51:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 11:51:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 11:51:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 11:51:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 11:51:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 11:51:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 11:51:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 11:51:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 11:51:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 11:51:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 11:51:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 11:51:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 11:51:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 11:51:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-26 11:51:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-26 11:51:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-26 11:51:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-26 11:51:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-26 11:51:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-26 11:51:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-26 11:51:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-26 11:51:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-26 11:51:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-26 11:51:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-26 11:51:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-26 11:51:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-26 11:51:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2023-11-26 11:51:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2023-11-26 11:51:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-26 11:51:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-26 11:51:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2023-11-26 11:51:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2023-11-26 11:51:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:51:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-11-26 11:51:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-11-26 11:51:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 11:51:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 11:51:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 11:51:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 11:51:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 11:51:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 11:51:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 11:51:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 11:51:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 11:51:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 11:51:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 11:51:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 11:51:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 11:51:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 11:51:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 11:51:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-26 11:51:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-26 11:51:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-26 11:51:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-26 11:51:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-26 11:51:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-26 11:51:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-26 11:51:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-26 11:51:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-26 11:51:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-26 11:51:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-26 11:51:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-26 11:51:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-26 11:51:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-26 11:51:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-26 11:51:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-26 11:51:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-26 11:51:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-26 11:51:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2023-11-26 11:51:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2023-11-26 11:51:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-26 11:51:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-26 11:51:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-26 11:51:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-26 11:51:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-26 11:51:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-26 11:51:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-26 11:51:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-26 11:51:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2023-11-26 11:51:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2023-11-26 11:51:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-26 11:51:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-26 11:51:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-26 11:51:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-26 11:51:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-26 11:51:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-26 11:51:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-26 11:51:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-26 11:51:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-26 11:51:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-26 11:51:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-26 11:51:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-26 11:51:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-26 11:51:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-26 11:51:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-26 11:51:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-26 11:51:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-26 11:51:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-26 11:51:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-26 11:51:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-26 11:51:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-26 11:51:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-26 11:51:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-26 11:51:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-26 11:51:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-26 11:51:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2023-11-26 11:51:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2023-11-26 11:51:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2023-11-26 11:51:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2023-11-26 11:51:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2023-11-26 11:51:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2023-11-26 11:51:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2023-11-26 11:51:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2023-11-26 11:51:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2023-11-26 11:51:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#30 [2023-11-26 11:51:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-26 11:51:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-26 11:51:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2023-11-26 11:51:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2023-11-26 11:51:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-26 11:51:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-26 11:51:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-26 11:51:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-26 11:51:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-26 11:51:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-26 11:51:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-26 11:51:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-26 11:51:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-26 11:51:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-26 11:51:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-26 11:51:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-26 11:51:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-26 11:51:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-26 11:51:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-26 11:51:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-26 11:51:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-26 11:51:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-26 11:51:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-26 11:51:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-26 11:51:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-26 11:51:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-26 11:51:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-26 11:51:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-26 11:51:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2023-11-26 11:51:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2023-11-26 11:51:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2023-11-26 11:51:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2023-11-26 11:51:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2023-11-26 11:51:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2023-11-26 11:51:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2023-11-26 11:51:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2023-11-26 11:51:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2023-11-26 11:51:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-26 11:51:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-26 11:51:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:51:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:51:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:51:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:51:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 11:51:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 11:51:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 11:51:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 11:51:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 11:51:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 11:51:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 11:51:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 11:51:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 11:51:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 11:51:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 11:51:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 11:51:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 11:51:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 11:51:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 11:51:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-26 11:51:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-26 11:51:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-26 11:51:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-26 11:51:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-26 11:51:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-26 11:51:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-26 11:51:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-26 11:51:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-26 11:51:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-26 11:51:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-26 11:51:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-26 11:51:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2023-11-26 11:51:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2023-11-26 11:51:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2023-11-26 11:51:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2023-11-26 11:51:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-26 11:51:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-26 11:51:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-26 11:51:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-26 11:51:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-26 11:51:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-26 11:51:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-26 11:51:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-26 11:51:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-26 11:51:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-26 11:51:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-26 11:51:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-26 11:51:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-26 11:51:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-26 11:51:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-26 11:51:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-26 11:51:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-26 11:51:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2023-11-26 11:51:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2023-11-26 11:51:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2023-11-26 11:51:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2023-11-26 11:51:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2023-11-26 11:51:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2023-11-26 11:51:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2023-11-26 11:51:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2023-11-26 11:51:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#25 [2023-11-26 11:51:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#26 [2023-11-26 11:51:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#27 [2023-11-26 11:51:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#28 [2023-11-26 11:51:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#29 [2023-11-26 11:51:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#30 [2023-11-26 11:51:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-26 11:51:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-26 11:51:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-26 11:51:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-26 11:51:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-26 11:51:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-26 11:51:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-26 11:51:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-26 11:51:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-26 11:51:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-26 11:51:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-26 11:51:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-26 11:51:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-26 11:51:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-26 11:51:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-26 11:51:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-26 11:51:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-26 11:51:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2023-11-26 11:51:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2023-11-26 11:51:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2023-11-26 11:51:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2023-11-26 11:51:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2023-11-26 11:51:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2023-11-26 11:51:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2023-11-26 11:51:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2023-11-26 11:51:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#25 [2023-11-26 11:51:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#26 [2023-11-26 11:51:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#27 [2023-11-26 11:51:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#28 [2023-11-26 11:51:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#29 [2023-11-26 11:51:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#30 [2023-11-26 11:51:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2023-11-26 11:51:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2023-11-26 11:51:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-26 11:51:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-26 11:51:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-26 11:51:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-26 11:51:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-26 11:51:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-26 11:51:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-26 11:51:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-26 11:51:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2023-11-26 11:51:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2023-11-26 11:51:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:51:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:51:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:51:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:51:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 11:51:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 11:51:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 11:51:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 11:51:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 11:51:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 11:51:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 11:51:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 11:51:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 11:51:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 11:51:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 11:51:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 11:51:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 11:51:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 11:51:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 11:51:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-26 11:51:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-26 11:51:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-26 11:51:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-26 11:51:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-26 11:51:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-26 11:51:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-26 11:51:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-26 11:51:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-26 11:51:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-26 11:51:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-26 11:51:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-26 11:51:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2023-11-26 11:51:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2023-11-26 11:51:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2023-11-26 11:51:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2023-11-26 11:51:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-26 11:51:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-26 11:51:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 11:51:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 11:51:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:51:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2023-11-26 11:51:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2023-11-26 11:51:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2023-11-26 11:51:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2023-11-26 11:51:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:51:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2023-11-26 11:51:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2023-11-26 11:51:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 11:51:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 11:51:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 11:51:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 11:51:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 11:51:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 11:51:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 11:51:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 11:51:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 11:51:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 11:51:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 11:51:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 11:51:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 11:51:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 11:51:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 11:51:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 11:51:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 11:51:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 11:51:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-26 11:51:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-26 11:51:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-26 11:51:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-26 11:51:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-26 11:51:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-26 11:51:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-26 11:51:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-26 11:51:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-26 11:51:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-26 11:51:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-26 11:51:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-26 11:51:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-26 11:51:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-26 11:51:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-26 11:51:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2023-11-26 11:51:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2023-11-26 11:51:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2023-11-26 11:51:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2023-11-26 11:51:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-26 11:51:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-26 11:51:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-26 11:51:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-26 11:51:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2023-11-26 11:51:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2023-11-26 11:51:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-26 11:51:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-26 11:51:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2023-11-26 11:51:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2023-11-26 11:51:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-26 11:51:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-26 11:51:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-26 11:51:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-26 11:51:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2023-11-26 11:51:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2023-11-26 11:51:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-11-26 11:51:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-11-26 11:51:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:51:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:51:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:51:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:51:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 11:51:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 11:51:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 11:51:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 11:51:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 11:51:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 11:51:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 11:51:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 11:51:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 11:51:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 11:51:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 11:51:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 11:51:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 11:51:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 11:51:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 11:51:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 11:51:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-26 11:51:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-26 11:51:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-26 11:51:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-26 11:51:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-26 11:51:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-26 11:51:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-26 11:51:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-26 11:51:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-26 11:51:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-26 11:51:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-26 11:51:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-26 11:51:39,879 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-26 11:51:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:51:39,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:51:40,892 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:51:40,898 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:51:55,296 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:51:55,633 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:51:55,633 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:51:55,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:55 BoogieIcfgContainer [2023-11-26 11:51:55,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:51:55,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:51:55,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:51:55,641 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:51:55,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:51:34" (1/3) ... [2023-11-26 11:51:55,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b428873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:55, skipping insertion in model container [2023-11-26 11:51:55,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:38" (2/3) ... [2023-11-26 11:51:55,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b428873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:55, skipping insertion in model container [2023-11-26 11:51:55,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:55" (3/3) ... [2023-11-26 11:51:55,646 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2023-11-26 11:51:55,666 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:51:55,667 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:51:55,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:51:55,773 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;@135e6d7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:51:55,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:51:55,784 INFO L276 IsEmpty]: Start isEmpty. Operand has 1093 states, 735 states have (on average 1.4136054421768707) internal successors, (1039), 755 states have internal predecessors, (1039), 282 states have call successors, (282), 74 states have call predecessors, (282), 74 states have return successors, (282), 278 states have call predecessors, (282), 282 states have call successors, (282) [2023-11-26 11:51:55,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-26 11:51:55,794 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:51:55,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:55,800 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:51:55,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:55,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1202370115, now seen corresponding path program 1 times [2023-11-26 11:51:55,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:55,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747614633] [2023-11-26 11:51:55,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:55,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:56,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:56,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:56,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747614633] [2023-11-26 11:51:56,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747614633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:56,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:56,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:51:56,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888075690] [2023-11-26 11:51:56,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:56,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:51:56,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:56,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:51:56,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:51:56,587 INFO L87 Difference]: Start difference. First operand has 1093 states, 735 states have (on average 1.4136054421768707) internal successors, (1039), 755 states have internal predecessors, (1039), 282 states have call successors, (282), 74 states have call predecessors, (282), 74 states have return successors, (282), 278 states have call predecessors, (282), 282 states have call successors, (282) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:58,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:52:01,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:01,027 INFO L93 Difference]: Finished difference Result 3261 states and 4861 transitions. [2023-11-26 11:52:01,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:01,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-26 11:52:01,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:01,078 INFO L225 Difference]: With dead ends: 3261 [2023-11-26 11:52:01,079 INFO L226 Difference]: Without dead ends: 2161 [2023-11-26 11:52:01,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:01,100 INFO L413 NwaCegarLoop]: 1440 mSDtfsCounter, 1562 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1562 SdHoareTripleChecker+Valid, 2872 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:01,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1562 Valid, 2872 Invalid, 312 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-26 11:52:01,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2161 states. [2023-11-26 11:52:01,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2161 to 2157. [2023-11-26 11:52:01,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 1453 states have (on average 1.3991741225051617) internal successors, (2033), 1483 states have internal predecessors, (2033), 557 states have call successors, (557), 147 states have call predecessors, (557), 146 states have return successors, (550), 542 states have call predecessors, (550), 550 states have call successors, (550) [2023-11-26 11:52:01,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 3140 transitions. [2023-11-26 11:52:01,401 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 3140 transitions. Word has length 11 [2023-11-26 11:52:01,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:01,402 INFO L495 AbstractCegarLoop]: Abstraction has 2157 states and 3140 transitions. [2023-11-26 11:52:01,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:01,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 3140 transitions. [2023-11-26 11:52:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-26 11:52:01,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:01,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:01,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:52:01,409 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:01,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:01,409 INFO L85 PathProgramCache]: Analyzing trace with hash 136360462, now seen corresponding path program 1 times [2023-11-26 11:52:01,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:01,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494091508] [2023-11-26 11:52:01,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:01,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:01,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:01,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:01,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494091508] [2023-11-26 11:52:01,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494091508] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:01,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:01,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:52:01,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127804423] [2023-11-26 11:52:01,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:01,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:01,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:01,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:01,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:01,587 INFO L87 Difference]: Start difference. First operand 2157 states and 3140 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:03,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:03,192 INFO L93 Difference]: Finished difference Result 2183 states and 3172 transitions. [2023-11-26 11:52:03,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:03,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-26 11:52:03,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:03,209 INFO L225 Difference]: With dead ends: 2183 [2023-11-26 11:52:03,210 INFO L226 Difference]: Without dead ends: 2170 [2023-11-26 11:52:03,211 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 [2023-11-26 11:52:03,213 INFO L413 NwaCegarLoop]: 1447 mSDtfsCounter, 1577 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1577 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:03,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1577 Valid, 1463 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-26 11:52:03,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2170 states. [2023-11-26 11:52:03,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2170 to 2157. [2023-11-26 11:52:03,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 1453 states have (on average 1.398485891259463) internal successors, (2032), 1483 states have internal predecessors, (2032), 557 states have call successors, (557), 147 states have call predecessors, (557), 146 states have return successors, (550), 542 states have call predecessors, (550), 550 states have call successors, (550) [2023-11-26 11:52:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 3139 transitions. [2023-11-26 11:52:03,359 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 3139 transitions. Word has length 14 [2023-11-26 11:52:03,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:03,360 INFO L495 AbstractCegarLoop]: Abstraction has 2157 states and 3139 transitions. [2023-11-26 11:52:03,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 3139 transitions. [2023-11-26 11:52:03,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-26 11:52:03,362 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:03,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:03,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:52:03,362 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:03,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:03,363 INFO L85 PathProgramCache]: Analyzing trace with hash 193618764, now seen corresponding path program 1 times [2023-11-26 11:52:03,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:03,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896279540] [2023-11-26 11:52:03,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:03,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:03,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:03,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:03,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896279540] [2023-11-26 11:52:03,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896279540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:03,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:03,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:03,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134688318] [2023-11-26 11:52:03,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:03,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:03,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:03,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:03,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:03,499 INFO L87 Difference]: Start difference. First operand 2157 states and 3139 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:05,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:05,119 INFO L93 Difference]: Finished difference Result 2159 states and 3140 transitions. [2023-11-26 11:52:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:05,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-26 11:52:05,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:05,138 INFO L225 Difference]: With dead ends: 2159 [2023-11-26 11:52:05,139 INFO L226 Difference]: Without dead ends: 2156 [2023-11-26 11:52:05,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:05,142 INFO L413 NwaCegarLoop]: 1429 mSDtfsCounter, 1569 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1569 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:05,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1569 Valid, 1429 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-26 11:52:05,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2023-11-26 11:52:05,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 2156. [2023-11-26 11:52:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2156 states, 1453 states have (on average 1.3977976600137647) internal successors, (2031), 1482 states have internal predecessors, (2031), 556 states have call successors, (556), 147 states have call predecessors, (556), 146 states have return successors, (550), 542 states have call predecessors, (550), 550 states have call successors, (550) [2023-11-26 11:52:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 2156 states and 3137 transitions. [2023-11-26 11:52:05,362 INFO L78 Accepts]: Start accepts. Automaton has 2156 states and 3137 transitions. Word has length 14 [2023-11-26 11:52:05,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:05,363 INFO L495 AbstractCegarLoop]: Abstraction has 2156 states and 3137 transitions. [2023-11-26 11:52:05,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:05,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 3137 transitions. [2023-11-26 11:52:05,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-26 11:52:05,370 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:05,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:05,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:52:05,370 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:05,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:05,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1705531182, now seen corresponding path program 1 times [2023-11-26 11:52:05,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:05,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820998641] [2023-11-26 11:52:05,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:05,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:05,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:05,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820998641] [2023-11-26 11:52:05,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820998641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:05,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:05,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:05,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617990026] [2023-11-26 11:52:05,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:05,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:05,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:05,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:05,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:05,604 INFO L87 Difference]: Start difference. First operand 2156 states and 3137 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:07,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:07,557 INFO L93 Difference]: Finished difference Result 2158 states and 3138 transitions. [2023-11-26 11:52:07,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:07,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-26 11:52:07,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:07,581 INFO L225 Difference]: With dead ends: 2158 [2023-11-26 11:52:07,581 INFO L226 Difference]: Without dead ends: 2155 [2023-11-26 11:52:07,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:07,592 INFO L413 NwaCegarLoop]: 1427 mSDtfsCounter, 1566 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1566 SdHoareTripleChecker+Valid, 1427 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:07,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1566 Valid, 1427 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-26 11:52:07,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2023-11-26 11:52:07,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2155. [2023-11-26 11:52:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1453 states have (on average 1.397109428768066) internal successors, (2030), 1481 states have internal predecessors, (2030), 555 states have call successors, (555), 147 states have call predecessors, (555), 146 states have return successors, (550), 542 states have call predecessors, (550), 550 states have call successors, (550) [2023-11-26 11:52:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 3135 transitions. [2023-11-26 11:52:07,833 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 3135 transitions. Word has length 15 [2023-11-26 11:52:07,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:07,834 INFO L495 AbstractCegarLoop]: Abstraction has 2155 states and 3135 transitions. [2023-11-26 11:52:07,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:07,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 3135 transitions. [2023-11-26 11:52:07,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-26 11:52:07,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:07,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:07,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:52:07,837 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:07,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:07,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1330180751, now seen corresponding path program 1 times [2023-11-26 11:52:07,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:07,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928110832] [2023-11-26 11:52:07,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:07,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:08,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:08,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928110832] [2023-11-26 11:52:08,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928110832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:08,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:08,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:08,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688109506] [2023-11-26 11:52:08,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:08,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:08,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:08,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:08,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:08,017 INFO L87 Difference]: Start difference. First operand 2155 states and 3135 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:10,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:52:11,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:52:12,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:12,921 INFO L93 Difference]: Finished difference Result 6435 states and 9508 transitions. [2023-11-26 11:52:12,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:12,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-26 11:52:12,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:12,960 INFO L225 Difference]: With dead ends: 6435 [2023-11-26 11:52:12,960 INFO L226 Difference]: Without dead ends: 4281 [2023-11-26 11:52:12,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:12,973 INFO L413 NwaCegarLoop]: 1780 mSDtfsCounter, 1571 mSDsluCounter, 1429 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1571 SdHoareTripleChecker+Valid, 3209 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:12,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1571 Valid, 3209 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-26 11:52:12,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2023-11-26 11:52:13,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 4275. [2023-11-26 11:52:13,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4275 states, 2888 states have (on average 1.3975069252077563) internal successors, (4036), 2940 states have internal predecessors, (4036), 1100 states have call successors, (1100), 288 states have call predecessors, (1100), 286 states have return successors, (1162), 1078 states have call predecessors, (1162), 1094 states have call successors, (1162) [2023-11-26 11:52:13,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 4275 states and 6298 transitions. [2023-11-26 11:52:13,374 INFO L78 Accepts]: Start accepts. Automaton has 4275 states and 6298 transitions. Word has length 16 [2023-11-26 11:52:13,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:13,375 INFO L495 AbstractCegarLoop]: Abstraction has 4275 states and 6298 transitions. [2023-11-26 11:52:13,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:13,375 INFO L276 IsEmpty]: Start isEmpty. Operand 4275 states and 6298 transitions. [2023-11-26 11:52:13,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 11:52:13,377 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:13,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:13,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:52:13,377 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:13,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:13,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1715743151, now seen corresponding path program 1 times [2023-11-26 11:52:13,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:13,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658528689] [2023-11-26 11:52:13,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:13,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:13,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:13,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658528689] [2023-11-26 11:52:13,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658528689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:13,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:13,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:13,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020056785] [2023-11-26 11:52:13,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:13,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:13,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:13,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:13,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:13,580 INFO L87 Difference]: Start difference. First operand 4275 states and 6298 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:15,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:15,387 INFO L93 Difference]: Finished difference Result 4277 states and 6299 transitions. [2023-11-26 11:52:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:15,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-26 11:52:15,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:15,426 INFO L225 Difference]: With dead ends: 4277 [2023-11-26 11:52:15,426 INFO L226 Difference]: Without dead ends: 4274 [2023-11-26 11:52:15,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:15,430 INFO L413 NwaCegarLoop]: 1425 mSDtfsCounter, 1562 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1562 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:15,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1562 Valid, 1425 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-26 11:52:15,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4274 states. [2023-11-26 11:52:15,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4274 to 4274. [2023-11-26 11:52:15,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4274 states, 2888 states have (on average 1.3971606648199446) internal successors, (4035), 2939 states have internal predecessors, (4035), 1099 states have call successors, (1099), 288 states have call predecessors, (1099), 286 states have return successors, (1162), 1078 states have call predecessors, (1162), 1094 states have call successors, (1162) [2023-11-26 11:52:15,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4274 states to 4274 states and 6296 transitions. [2023-11-26 11:52:15,765 INFO L78 Accepts]: Start accepts. Automaton has 4274 states and 6296 transitions. Word has length 17 [2023-11-26 11:52:15,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:15,766 INFO L495 AbstractCegarLoop]: Abstraction has 4274 states and 6296 transitions. [2023-11-26 11:52:15,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:15,767 INFO L276 IsEmpty]: Start isEmpty. Operand 4274 states and 6296 transitions. [2023-11-26 11:52:15,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-26 11:52:15,769 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:15,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:15,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:52:15,770 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:15,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:15,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1650098734, now seen corresponding path program 1 times [2023-11-26 11:52:15,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:15,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845205092] [2023-11-26 11:52:15,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:15,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:15,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:15,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845205092] [2023-11-26 11:52:15,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845205092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:15,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:15,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:15,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518687433] [2023-11-26 11:52:15,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:15,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:15,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:15,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:15,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:15,923 INFO L87 Difference]: Start difference. First operand 4274 states and 6296 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:20,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:52:21,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:21,110 INFO L93 Difference]: Finished difference Result 4276 states and 6297 transitions. [2023-11-26 11:52:21,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:21,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-11-26 11:52:21,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:21,146 INFO L225 Difference]: With dead ends: 4276 [2023-11-26 11:52:21,146 INFO L226 Difference]: Without dead ends: 4267 [2023-11-26 11:52:21,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:21,150 INFO L413 NwaCegarLoop]: 1424 mSDtfsCounter, 1559 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1559 SdHoareTripleChecker+Valid, 1424 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:21,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1559 Valid, 1424 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 149 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2023-11-26 11:52:21,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4267 states. [2023-11-26 11:52:21,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4267 to 4267. [2023-11-26 11:52:21,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4267 states, 2882 states have (on average 1.3969465648854962) internal successors, (4026), 2932 states have internal predecessors, (4026), 1098 states have call successors, (1098), 288 states have call predecessors, (1098), 286 states have return successors, (1162), 1078 states have call predecessors, (1162), 1094 states have call successors, (1162) [2023-11-26 11:52:21,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4267 states to 4267 states and 6286 transitions. [2023-11-26 11:52:21,490 INFO L78 Accepts]: Start accepts. Automaton has 4267 states and 6286 transitions. Word has length 18 [2023-11-26 11:52:21,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:21,490 INFO L495 AbstractCegarLoop]: Abstraction has 4267 states and 6286 transitions. [2023-11-26 11:52:21,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 4267 states and 6286 transitions. [2023-11-26 11:52:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-26 11:52:21,497 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:21,497 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-26 11:52:21,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:52:21,497 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:21,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:21,498 INFO L85 PathProgramCache]: Analyzing trace with hash -66607959, now seen corresponding path program 1 times [2023-11-26 11:52:21,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:21,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560467963] [2023-11-26 11:52:21,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:21,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:21,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 11:52:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:21,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:52:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:21,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 11:52:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:52:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:21,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 11:52:21,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:21,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560467963] [2023-11-26 11:52:21,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560467963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:21,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:21,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:52:21,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043726784] [2023-11-26 11:52:21,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:21,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:52:21,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:21,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:52:21,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:52:21,769 INFO L87 Difference]: Start difference. First operand 4267 states and 6286 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)