./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.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_df1593c5-9220-4399-8e1d-7c08c8613393/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1593c5-9220-4399-8e1d-7c08c8613393/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_df1593c5-9220-4399-8e1d-7c08c8613393/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1593c5-9220-4399-8e1d-7c08c8613393/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1593c5-9220-4399-8e1d-7c08c8613393/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_df1593c5-9220-4399-8e1d-7c08c8613393/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 1dadd209c6e3ebdaafa15f295f1ec8ec38d24c8a1f9b514f05808fa8c7c3e21c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:17:31,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:17:31,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1593c5-9220-4399-8e1d-7c08c8613393/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:17:31,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:17:31,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:17:31,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:17:31,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:17:31,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:17:31,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:17:31,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:17:31,909 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:17:31,910 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:17:31,910 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:17:31,911 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:17:31,912 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:17:31,912 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:17:31,913 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:17:31,913 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:17:31,914 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:17:31,915 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:17:31,915 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:17:31,916 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:17:31,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:17:31,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:17:31,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:17:31,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:17:31,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:17:31,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:17:31,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:17:31,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:17:31,921 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:17:31,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:17:31,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:17:31,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:17:31,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:31,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:17:31,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:17:31,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:17:31,924 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:17:31,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:17:31,924 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:17:31,925 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:17:31,925 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:17:31,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:17:31,926 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_df1593c5-9220-4399-8e1d-7c08c8613393/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1593c5-9220-4399-8e1d-7c08c8613393/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dadd209c6e3ebdaafa15f295f1ec8ec38d24c8a1f9b514f05808fa8c7c3e21c [2023-11-23 21:17:32,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:17:32,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:17:32,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:17:32,191 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:17:32,191 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:17:32,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1593c5-9220-4399-8e1d-7c08c8613393/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2023-11-23 21:17:35,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:17:36,117 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:17:36,118 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1593c5-9220-4399-8e1d-7c08c8613393/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2023-11-23 21:17:36,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1593c5-9220-4399-8e1d-7c08c8613393/bin/utaipan-verify-mE87zJ7Ire/data/e42788a02/7a433edfc15a41a5951c83a9ec2189b2/FLAG64af743f6 [2023-11-23 21:17:36,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1593c5-9220-4399-8e1d-7c08c8613393/bin/utaipan-verify-mE87zJ7Ire/data/e42788a02/7a433edfc15a41a5951c83a9ec2189b2 [2023-11-23 21:17:36,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:17:36,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:17:36,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:36,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:17:36,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:17:36,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:36" (1/1) ... [2023-11-23 21:17:36,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2470407c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:36, skipping insertion in model container [2023-11-23 21:17:36,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:36" (1/1) ... [2023-11-23 21:17:36,360 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:17:37,788 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_df1593c5-9220-4399-8e1d-7c08c8613393/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i[117505,117518] [2023-11-23 21:17:38,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:38,748 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:17:38,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [3743] [2023-11-23 21:17:38,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [3750] [2023-11-23 21:17:38,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3774] [2023-11-23 21:17:38,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3793] [2023-11-23 21:17:38,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3796] [2023-11-23 21:17:38,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3799] [2023-11-23 21:17:38,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3802] [2023-11-23 21:17:38,873 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_df1593c5-9220-4399-8e1d-7c08c8613393/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i[117505,117518] [2023-11-23 21:17:38,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4544] [2023-11-23 21:17:38,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4548] [2023-11-23 21:17:38,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [4628-4629] [2023-11-23 21:17:38,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [4633-4634] [2023-11-23 21:17:38,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [4638-4639] [2023-11-23 21:17:38,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___8->state): : "memory", "cc"); [4643-4644] [2023-11-23 21:17:39,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5291] [2023-11-23 21:17:39,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:39,280 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:17:39,280 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:17:39,288 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:17:39,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:39 WrapperNode [2023-11-23 21:17:39,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:39,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:39,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:17:39,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:17:39,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:39" (1/1) ... [2023-11-23 21:17:39,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:39" (1/1) ... [2023-11-23 21:17:39,662 INFO L138 Inliner]: procedures = 229, calls = 2652, calls flagged for inlining = 103, calls inlined = 100, statements flattened = 5468 [2023-11-23 21:17:39,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:39,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:17:39,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:17:39,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:17:39,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:39" (1/1) ... [2023-11-23 21:17:39,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:39" (1/1) ... [2023-11-23 21:17:39,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:39" (1/1) ... [2023-11-23 21:17:39,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:39" (1/1) ... [2023-11-23 21:17:39,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:39" (1/1) ... [2023-11-23 21:17:39,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:39" (1/1) ... [2023-11-23 21:17:39,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:39" (1/1) ... [2023-11-23 21:17:39,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:39" (1/1) ... [2023-11-23 21:17:40,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:17:40,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:17:40,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:17:40,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:17:40,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:39" (1/1) ... [2023-11-23 21:17:40,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:40,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1593c5-9220-4399-8e1d-7c08c8613393/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:40,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1593c5-9220-4399-8e1d-7c08c8613393/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:17:40,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1593c5-9220-4399-8e1d-7c08c8613393/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:17:40,246 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-23 21:17:40,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-23 21:17:40,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 21:17:40,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 21:17:40,249 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-23 21:17:40,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:17:40,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:17:40,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:17:40,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:17:40,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-23 21:17:40,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-23 21:17:40,252 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_rel [2023-11-23 21:17:40,252 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_rel [2023-11-23 21:17:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_26 [2023-11-23 21:17:40,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_26 [2023-11-23 21:17:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 21:17:40,258 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 21:17:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-11-23 21:17:40,259 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-11-23 21:17:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:17:40,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:17:40,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-23 21:17:40,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-23 21:17:40,264 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2023-11-23 21:17:40,265 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2023-11-23 21:17:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-11-23 21:17:40,265 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-11-23 21:17:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:17:40,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:17:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:17:40,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:17:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2023-11-23 21:17:40,266 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2023-11-23 21:17:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-11-23 21:17:40,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-11-23 21:17:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure rc_g_keycode_from_table [2023-11-23 21:17:40,267 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_g_keycode_from_table [2023-11-23 21:17:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:17:40,267 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:17:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-11-23 21:17:40,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-11-23 21:17:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:17:40,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:17:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:17:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-11-23 21:17:40,269 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-11-23 21:17:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_10 [2023-11-23 21:17:40,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_10 [2023-11-23 21:17:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:17:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2023-11-23 21:17:40,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2023-11-23 21:17:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-11-23 21:17:40,271 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-11-23 21:17:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:17:40,272 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:17:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-11-23 21:17:40,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-11-23 21:17:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:17:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:17:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:17:40,274 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:17:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:17:40,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:17:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-11-23 21:17:40,275 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-11-23 21:17:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:17:40,275 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:17:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:17:40,275 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:17:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:17:40,276 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:17:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:17:40,276 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:17:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-11-23 21:17:40,276 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-11-23 21:17:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf1 [2023-11-23 21:17:40,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf1 [2023-11-23 21:17:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf0 [2023-11-23 21:17:40,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf0 [2023-11-23 21:17:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-11-23 21:17:40,277 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-11-23 21:17:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:17:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:17:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:17:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 21:17:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 21:17:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-11-23 21:17:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-11-23 21:17:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 21:17:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 21:17:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:17:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:17:40,279 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:17:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-11-23 21:17:40,279 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-11-23 21:17:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-11-23 21:17:40,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-11-23 21:17:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:17:40,280 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-23 21:17:40,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-23 21:17:40,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_7 [2023-11-23 21:17:40,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_7 [2023-11-23 21:17:40,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:17:40,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:17:40,281 INFO L130 BoogieDeclarations]: Found specification of procedure lcd_write [2023-11-23 21:17:40,281 INFO L138 BoogieDeclarations]: Found implementation of procedure lcd_write [2023-11-23 21:17:40,281 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 21:17:40,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 21:17:40,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-23 21:17:40,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-23 21:17:40,282 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:17:40,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:17:40,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:17:40,282 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-11-23 21:17:40,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-11-23 21:17:40,282 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:17:40,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:17:40,282 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-11-23 21:17:40,282 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-11-23 21:17:40,283 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-11-23 21:17:40,283 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-11-23 21:17:40,283 INFO L130 BoogieDeclarations]: Found specification of procedure imon_incoming_packet [2023-11-23 21:17:40,283 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_incoming_packet [2023-11-23 21:17:40,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:17:40,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:17:40,283 INFO L130 BoogieDeclarations]: Found specification of procedure imon_remote_key_lookup [2023-11-23 21:17:40,283 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_remote_key_lookup [2023-11-23 21:17:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:17:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-11-23 21:17:40,284 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-11-23 21:17:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure tv2int [2023-11-23 21:17:40,284 INFO L138 BoogieDeclarations]: Found implementation of procedure tv2int [2023-11-23 21:17:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure stabilize [2023-11-23 21:17:40,284 INFO L138 BoogieDeclarations]: Found implementation of procedure stabilize [2023-11-23 21:17:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-11-23 21:17:40,284 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-11-23 21:17:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_6 [2023-11-23 21:17:40,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_6 [2023-11-23 21:17:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 21:17:40,285 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 21:17:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:17:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2023-11-23 21:17:40,285 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2023-11-23 21:17:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:17:40,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:17:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:17:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-11-23 21:17:40,286 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-11-23 21:17:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:17:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-11-23 21:17:40,286 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-11-23 21:17:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2023-11-23 21:17:40,286 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2023-11-23 21:17:40,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:17:40,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:17:40,287 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-23 21:17:40,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-23 21:17:40,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-11-23 21:17:40,287 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-11-23 21:17:40,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-11-23 21:17:40,287 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-11-23 21:17:40,287 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2023-11-23 21:17:40,288 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2023-11-23 21:17:40,288 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2023-11-23 21:17:40,288 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2023-11-23 21:17:40,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-23 21:17:40,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-23 21:17:40,288 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:17:40,289 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:17:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:17:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-23 21:17:40,289 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-23 21:17:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:17:40,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:17:40,991 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:17:40,995 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:17:49,435 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:18:04,142 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-11-23 21:18:07,749 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:10,358 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:10,358 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 21:18:10,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:10 BoogieIcfgContainer [2023-11-23 21:18:10,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:10,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:10,367 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:10,370 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:10,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:17:36" (1/3) ... [2023-11-23 21:18:10,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52061b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:10, skipping insertion in model container [2023-11-23 21:18:10,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:39" (2/3) ... [2023-11-23 21:18:10,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52061b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:10, skipping insertion in model container [2023-11-23 21:18:10,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:10" (3/3) ... [2023-11-23 21:18:10,374 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2023-11-23 21:18:10,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:10,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:18:10,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:10,527 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;@2b44887, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:10,528 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:18:10,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 1283 states, 806 states have (on average 1.34863523573201) internal successors, (1087), 837 states have internal predecessors, (1087), 399 states have call successors, (399), 78 states have call predecessors, (399), 76 states have return successors, (390), 385 states have call predecessors, (390), 390 states have call successors, (390) [2023-11-23 21:18:10,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 21:18:10,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:10,578 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:10,579 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:10,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:10,588 INFO L85 PathProgramCache]: Analyzing trace with hash 781629934, now seen corresponding path program 1 times [2023-11-23 21:18:10,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:10,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120320514] [2023-11-23 21:18:10,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:10,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:11,720 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-23 21:18:11,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:18:11,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120320514] [2023-11-23 21:18:11,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120320514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:11,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:11,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:18:11,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266741056] [2023-11-23 21:18:11,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:11,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:18:11,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:18:11,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:18:11,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:18:11,782 INFO L87 Difference]: Start difference. First operand has 1283 states, 806 states have (on average 1.34863523573201) internal successors, (1087), 837 states have internal predecessors, (1087), 399 states have call successors, (399), 78 states have call predecessors, (399), 76 states have return successors, (390), 385 states have call predecessors, (390), 390 states have call successors, (390) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-23 21:18:14,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:16,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:19,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:21,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:21,403 INFO L93 Difference]: Finished difference Result 3772 states and 5517 transitions. [2023-11-23 21:18:21,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:18:21,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 68 [2023-11-23 21:18:21,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:21,448 INFO L225 Difference]: With dead ends: 3772 [2023-11-23 21:18:21,448 INFO L226 Difference]: Without dead ends: 2485 [2023-11-23 21:18:21,462 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 [2023-11-23 21:18:21,466 INFO L413 NwaCegarLoop]: 1696 mSDtfsCounter, 1785 mSDsluCounter, 1682 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1785 SdHoareTripleChecker+Valid, 3378 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:21,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1785 Valid, 3378 Invalid, 365 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 361 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2023-11-23 21:18:21,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2023-11-23 21:18:21,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2485. [2023-11-23 21:18:21,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 1577 states have (on average 1.3348129359543437) internal successors, (2105), 1613 states have internal predecessors, (2105), 757 states have call successors, (757), 151 states have call predecessors, (757), 150 states have return successors, (752), 742 states have call predecessors, (752), 752 states have call successors, (752) [2023-11-23 21:18:21,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3614 transitions. [2023-11-23 21:18:21,817 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3614 transitions. Word has length 68 [2023-11-23 21:18:21,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:21,818 INFO L495 AbstractCegarLoop]: Abstraction has 2485 states and 3614 transitions. [2023-11-23 21:18:21,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-23 21:18:21,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3614 transitions. [2023-11-23 21:18:21,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 21:18:21,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:21,826 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:21,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:18:21,826 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:21,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:21,827 INFO L85 PathProgramCache]: Analyzing trace with hash 19033480, now seen corresponding path program 1 times [2023-11-23 21:18:21,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:21,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028073674] [2023-11-23 21:18:21,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:21,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-23 21:18:22,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:18:22,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028073674] [2023-11-23 21:18:22,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028073674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:22,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:22,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:18:22,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528442015] [2023-11-23 21:18:22,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:22,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:18:22,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:18:22,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:18:22,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:18:22,873 INFO L87 Difference]: Start difference. First operand 2485 states and 3614 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-23 21:18:26,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []