./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--gpu--drm--ast--ast.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--gpu--drm--ast--ast.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e37e45521ffb127b83b9baab443e42b7c078cf8a8451cb2a1813ac325e01717d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:08,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:09,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:21:09,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:09,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:09,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:09,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:09,047 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:09,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:09,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:09,049 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:09,050 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:09,051 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:09,051 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:21:09,052 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:09,052 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:09,053 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:21:09,054 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:21:09,054 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:09,055 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:21:09,055 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:21:09,061 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:21:09,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:09,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:09,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:21:09,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:09,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:09,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:09,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:09,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:09,072 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:09,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:09,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:09,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:09,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:09,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:09,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:09,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:09,076 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:21:09,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:21:09,077 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:09,077 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:09,078 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:09,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:09,078 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e37e45521ffb127b83b9baab443e42b7c078cf8a8451cb2a1813ac325e01717d [2023-11-23 21:21:09,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:09,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:09,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:09,399 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:09,399 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:09,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--gpu--drm--ast--ast.ko-main.cil.out.i [2023-11-23 21:21:12,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:13,555 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:13,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--gpu--drm--ast--ast.ko-main.cil.out.i [2023-11-23 21:21:13,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/bin/utaipan-verify-mE87zJ7Ire/data/b1aeffe59/7ba751a1e3c342e6921b517e2059d254/FLAGa9d995947 [2023-11-23 21:21:13,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/bin/utaipan-verify-mE87zJ7Ire/data/b1aeffe59/7ba751a1e3c342e6921b517e2059d254 [2023-11-23 21:21:13,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:13,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:13,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:13,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:13,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:13,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:13" (1/1) ... [2023-11-23 21:21:13,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4d148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:13, skipping insertion in model container [2023-11-23 21:21:13,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:13" (1/1) ... [2023-11-23 21:21:13,890 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:17,788 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_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--gpu--drm--ast--ast.ko-main.cil.out.i[353005,353018] [2023-11-23 21:21:18,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:18,164 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:18,434 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"); [6124-6125] [2023-11-23 21:21:18,482 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/gpu/drm/ast/ast.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/17/dscv_tempdir/dscv/ri/32_7a/drivers/gpu/drm/ast/ast_main.c.prepared"), "i" (553), "i" (12UL)); [6776-6777] [2023-11-23 21:21:18,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [7041] [2023-11-23 21:21:18,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [7048] [2023-11-23 21:21:18,802 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_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--gpu--drm--ast--ast.ko-main.cil.out.i[353005,353018] [2023-11-23 21:21:18,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:19,257 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:19,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:19 WrapperNode [2023-11-23 21:21:19,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:19,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:19,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:19,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:19,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:19" (1/1) ... [2023-11-23 21:21:19,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:19" (1/1) ... [2023-11-23 21:21:19,907 INFO L138 Inliner]: procedures = 511, calls = 3880, calls flagged for inlining = 265, calls inlined = 264, statements flattened = 11335 [2023-11-23 21:21:19,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:19,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:19,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:19,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:19,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:19" (1/1) ... [2023-11-23 21:21:19,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:19" (1/1) ... [2023-11-23 21:21:20,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:19" (1/1) ... [2023-11-23 21:21:20,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:19" (1/1) ... [2023-11-23 21:21:20,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:19" (1/1) ... [2023-11-23 21:21:20,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:19" (1/1) ... [2023-11-23 21:21:20,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:19" (1/1) ... [2023-11-23 21:21:20,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:19" (1/1) ... [2023-11-23 21:21:20,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:20,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:20,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:20,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:20,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:19" (1/1) ... [2023-11-23 21:21:20,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:20,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:20,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:20,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4641d2-bf7c-4a61-9c6f-d8c4072df8e0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2023-11-23 21:21:20,655 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2023-11-23 21:21:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:21:20,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:21:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_freeze [2023-11-23 21:21:20,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_freeze [2023-11-23 21:21:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_probe_single_connector_modes [2023-11-23 21:21:20,657 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_probe_single_connector_modes [2023-11-23 21:21:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure drm_err [2023-11-23 21:21:20,657 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_err [2023-11-23 21:21:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_dpms [2023-11-23 21:21:20,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_dpms [2023-11-23 21:21:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_pin [2023-11-23 21:21:20,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_pin [2023-11-23 21:21:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2023-11-23 21:21:20,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2023-11-23 21:21:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure ast_read32 [2023-11-23 21:21:20,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_read32 [2023-11-23 21:21:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:21:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:21:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_dll2 [2023-11-23 21:21:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_dll2 [2023-11-23 21:21:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_fixup [2023-11-23 21:21:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_fixup [2023-11-23 21:21:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:21:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure moutdwm [2023-11-23 21:21:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure moutdwm [2023-11-23 21:21:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_thaw [2023-11-23 21:21:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_thaw [2023-11-23 21:21:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure ast_dirty_update [2023-11-23 21:21:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_dirty_update [2023-11-23 21:21:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg_mask [2023-11-23 21:21:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg_mask [2023-11-23 21:21:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2023-11-23 21:21:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2023-11-23 21:21:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_placement [2023-11-23 21:21:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_placement [2023-11-23 21:21:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_load_lut [2023-11-23 21:21:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_load_lut [2023-11-23 21:21:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:21:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2023-11-23 21:21:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2023-11-23 21:21:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2023-11-23 21:21:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2023-11-23 21:21:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:21:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_destroy [2023-11-23 21:21:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_destroy [2023-11-23 21:21:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_disable [2023-11-23 21:21:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_disable [2023-11-23 21:21:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:21:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set_base [2023-11-23 21:21:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set_base [2023-11-23 21:21:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-23 21:21:20,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-23 21:21:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure mindwm [2023-11-23 21:21:20,667 INFO L138 BoogieDeclarations]: Found implementation of procedure mindwm [2023-11-23 21:21:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_read8 [2023-11-23 21:21:20,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_read8 [2023-11-23 21:21:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-23 21:21:20,669 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-23 21:21:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_create_handle [2023-11-23 21:21:20,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_create_handle [2023-11-23 21:21:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:21:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_gamma_set [2023-11-23 21:21:20,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_gamma_set [2023-11-23 21:21:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:21:20,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:21:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure ast_fbdev_set_suspend [2023-11-23 21:21:20,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_fbdev_set_suspend [2023-11-23 21:21:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:21:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:21:20,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:21:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure ast_framebuffer_init [2023-11-23 21:21:20,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_framebuffer_init [2023-11-23 21:21:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_set [2023-11-23 21:21:20,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_set [2023-11-23 21:21:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure ast_open_key [2023-11-23 21:21:20,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_open_key [2023-11-23 21:21:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2023-11-23 21:21:20,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2023-11-23 21:21:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_burst2 [2023-11-23 21:21:20,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_burst2 [2023-11-23 21:21:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve [2023-11-23 21:21:20,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve [2023-11-23 21:21:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:21:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:21:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-23 21:21:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-23 21:21:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:21:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:21:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_detect [2023-11-23 21:21:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_detect [2023-11-23 21:21:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_prepare [2023-11-23 21:21:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_prepare [2023-11-23 21:21:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_index_reg_mask [2023-11-23 21:21:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_index_reg_mask [2023-11-23 21:21:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_create [2023-11-23 21:21:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_create [2023-11-23 21:21:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_prepare [2023-11-23 21:21:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_prepare [2023-11-23 21:21:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:21:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:21:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:21:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:21:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_reserve [2023-11-23 21:21:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_reserve [2023-11-23 21:21:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2023-11-23 21:21:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2023-11-23 21:21:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mmap [2023-11-23 21:21:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mmap [2023-11-23 21:21:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 21:21:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 21:21:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 21:21:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 21:21:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:21:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2023-11-23 21:21:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2023-11-23 21:21:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2023-11-23 21:21:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2023-11-23 21:21:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:21:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_destroy [2023-11-23 21:21:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_destroy [2023-11-23 21:21:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_commit [2023-11-23 21:21:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_commit [2023-11-23 21:21:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:21:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure drm_ut_debug_printk [2023-11-23 21:21:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_ut_debug_printk [2023-11-23 21:21:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:21:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:21:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_resume [2023-11-23 21:21:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_resume [2023-11-23 21:21:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:21:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:21:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_write8 [2023-11-23 21:21:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_write8 [2023-11-23 21:21:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2023-11-23 21:21:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2023-11-23 21:21:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_destroy [2023-11-23 21:21:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_destroy [2023-11-23 21:21:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_gpu_offset [2023-11-23 21:21:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_gpu_offset [2023-11-23 21:21:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure ast_write32 [2023-11-23 21:21:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_write32 [2023-11-23 21:21:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_reset [2023-11-23 21:21:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_reset [2023-11-23 21:21:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_free_object [2023-11-23 21:21:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_free_object [2023-11-23 21:21:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked___0 [2023-11-23 21:21:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked___0 [2023-11-23 21:21:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_backend_destroy [2023-11-23 21:21:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_backend_destroy [2023-11-23 21:21:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pci_remove [2023-11-23 21:21:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pci_remove [2023-11-23 21:21:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_connector_dpms [2023-11-23 21:21:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_connector_dpms [2023-11-23 21:21:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set [2023-11-23 21:21:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set [2023-11-23 21:21:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_single2 [2023-11-23 21:21:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_single2 [2023-11-23 21:21:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:21:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:21:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:21:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg [2023-11-23 21:21:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg [2023-11-23 21:21:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure cbrdlli_ast2150 [2023-11-23 21:21:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure cbrdlli_ast2150 [2023-11-23 21:21:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:21:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:21:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fasync [2023-11-23 21:21:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fasync [2023-11-23 21:21:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2023-11-23 21:21:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2023-11-23 21:21:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_commit [2023-11-23 21:21:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_commit [2023-11-23 21:21:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2023-11-23 21:21:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2023-11-23 21:21:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2023-11-23 21:21:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2023-11-23 21:21:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_move [2023-11-23 21:21:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_move [2023-11-23 21:21:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2023-11-23 21:21:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2023-11-23 21:21:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure drm_poll [2023-11-23 21:21:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_poll [2023-11-23 21:21:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_update_edid_property [2023-11-23 21:21:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_update_edid_property [2023-11-23 21:21:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_scan2 [2023-11-23 21:21:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_scan2 [2023-11-23 21:21:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 21:21:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-23 21:21:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_unpopulate [2023-11-23 21:21:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_unpopulate [2023-11-23 21:21:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2023-11-23 21:21:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2023-11-23 21:21:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_destroy [2023-11-23 21:21:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_destroy [2023-11-23 21:21:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:21:22,098 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:22,105 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:42,592 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ast_gem_init_object_returnLabel#1: main_#t~ret94#1 := ast_gem_init_object_#res#1;havoc ast_gem_init_object_~obj#1.base, ast_gem_init_object_~obj#1.offset;havoc ast_gem_init_object_#in~obj#1.base, ast_gem_init_object_#in~obj#1.offset;assume { :end_inline_ast_gem_init_object } true;assume -2147483648 <= main_#t~ret94#1 && main_#t~ret94#1 <= 2147483647;havoc main_#t~ret94#1;~ldv_state_variable_13~0 := 1; [2023-11-23 21:21:42,852 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:51,908 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:51,909 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:21:51,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:51 BoogieIcfgContainer [2023-11-23 21:21:51,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:51,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:51,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:51,920 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:51,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:13" (1/3) ... [2023-11-23 21:21:51,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3365077e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:51, skipping insertion in model container [2023-11-23 21:21:51,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:19" (2/3) ... [2023-11-23 21:21:51,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3365077e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:51, skipping insertion in model container [2023-11-23 21:21:51,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:51" (3/3) ... [2023-11-23 21:21:51,924 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--gpu--drm--ast--ast.ko-main.cil.out.i [2023-11-23 21:21:51,951 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:51,951 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:52,091 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:52,103 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=FINITE_AUTOMATA, 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;@5ef52d35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:52,103 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 1912 states, 1142 states have (on average 1.414185639229422) internal successors, (1615), 1197 states have internal predecessors, (1615), 677 states have call successors, (677), 91 states have call predecessors, (677), 91 states have return successors, (677), 658 states have call predecessors, (677), 677 states have call successors, (677) [2023-11-23 21:21:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 21:21:52,140 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:52,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:21:52,142 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:52,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:52,157 INFO L85 PathProgramCache]: Analyzing trace with hash -199039092, now seen corresponding path program 1 times [2023-11-23 21:21:52,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:21:52,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140935600] [2023-11-23 21:21:52,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:52,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:21:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:21:53,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:21:53,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140935600] [2023-11-23 21:21:53,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140935600] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:53,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:53,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:21:53,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728274641] [2023-11-23 21:21:53,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:53,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:21:53,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:21:53,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:21:53,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:21:53,706 INFO L87 Difference]: Start difference. First operand has 1912 states, 1142 states have (on average 1.414185639229422) internal successors, (1615), 1197 states have internal predecessors, (1615), 677 states have call successors, (677), 91 states have call predecessors, (677), 91 states have return successors, (677), 658 states have call predecessors, (677), 677 states have call successors, (677) 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)