./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ce86015a8790fe78c3fa1e0817dad1e3ce7732b16cd3bc300a77723095c4573b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:48:56,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:48:56,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:48:56,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:48:56,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:48:56,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:48:56,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:48:56,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:48:56,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:48:56,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:48:56,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:48:56,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:48:56,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:48:56,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:48:56,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:48:56,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:48:56,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:48:56,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:48:56,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:48:56,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:48:56,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:48:56,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:48:56,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:48:56,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:48:56,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:48:56,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:48:56,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:48:56,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:48:56,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:48:56,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:48:56,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:48:56,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:48:56,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:48:56,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:48:56,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:48:56,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:48:56,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:48:56,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:48:56,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:48:56,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:48:56,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:48:56,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 15:48:56,262 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:48:56,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:48:56,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:48:56,265 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:48:56,265 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:48:56,265 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:48:56,266 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:48:56,266 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 15:48:56,266 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:48:56,266 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:48:56,275 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 15:48:56,276 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 15:48:56,276 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:48:56,276 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 15:48:56,277 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 15:48:56,277 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 15:48:56,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:48:56,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:48:56,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:48:56,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:48:56,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:48:56,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:48:56,280 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:48:56,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:48:56,280 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:48:56,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:48:56,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:48:56,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:48:56,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:48:56,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:48:56,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:48:56,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:48:56,285 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 15:48:56,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 15:48:56,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:48:56,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:48:56,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:48:56,286 INFO L138 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce86015a8790fe78c3fa1e0817dad1e3ce7732b16cd3bc300a77723095c4573b [2021-11-19 15:48:56,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:48:56,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:48:56,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:48:56,664 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:48:56,665 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:48:56,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-11-19 15:48:56,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/data/1e68a7f56/17059bc8f4fc4fc3b626ab018095137e/FLAG7d3f6b1e3 [2021-11-19 15:48:57,923 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:48:57,924 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-11-19 15:48:58,013 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/data/1e68a7f56/17059bc8f4fc4fc3b626ab018095137e/FLAG7d3f6b1e3 [2021-11-19 15:48:58,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/data/1e68a7f56/17059bc8f4fc4fc3b626ab018095137e [2021-11-19 15:48:58,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:48:58,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:48:58,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:48:58,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:48:58,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:48:58,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:48:58" (1/1) ... [2021-11-19 15:48:58,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab93e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:58, skipping insertion in model container [2021-11-19 15:48:58,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:48:58" (1/1) ... [2021-11-19 15:48:58,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:48:58,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:49:00,426 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:00,433 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:00,452 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:00,466 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:00,484 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:00,535 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:00,551 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:00,579 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:00,627 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,312 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,312 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,314 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,326 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,329 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,330 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,331 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,337 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,338 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,353 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,353 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,354 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,354 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,355 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,356 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,358 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,363 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,363 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,364 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,364 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,365 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,366 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,368 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,745 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,757 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,766 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,811 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,819 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,827 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,835 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,843 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,852 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,867 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,878 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,889 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,897 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,913 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,913 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,921 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,929 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,937 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,945 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,953 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,962 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,990 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:01,991 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,007 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,007 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,016 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,016 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,025 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,026 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,041 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,049 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,065 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,353 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,426 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,470 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,540 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,540 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,564 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,565 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,573 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,574 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,591 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,615 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,629 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,647 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,673 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:02,687 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:49:03,345 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[509912,509925] [2021-11-19 15:49:03,348 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510081,510094] [2021-11-19 15:49:03,349 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510248,510261] [2021-11-19 15:49:03,349 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510416,510429] [2021-11-19 15:49:03,378 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:49:03,449 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 15:49:03,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@157256dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:03, skipping insertion in model container [2021-11-19 15:49:03,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:49:03,450 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 15:49:03,453 INFO L158 Benchmark]: Toolchain (without parser) took 5282.37ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 78.2MB in the beginning and 62.7MB in the end (delta: 15.5MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2021-11-19 15:49:03,454 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:49:03,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5279.59ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 77.8MB in the beginning and 62.7MB in the end (delta: 15.0MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2021-11-19 15:49:03,457 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5279.59ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 77.8MB in the beginning and 62.7MB in the end (delta: 15.0MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5949]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ce86015a8790fe78c3fa1e0817dad1e3ce7732b16cd3bc300a77723095c4573b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:49:06,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:49:06,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:49:06,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:49:06,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:49:06,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:49:06,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:49:06,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:49:06,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:49:06,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:49:06,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:49:06,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:49:06,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:49:06,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:49:06,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:49:06,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:49:06,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:49:06,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:49:06,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:49:06,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:49:06,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:49:06,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:49:06,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:49:06,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:49:06,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:49:06,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:49:06,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:49:06,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:49:06,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:49:06,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:49:06,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:49:06,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:49:06,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:49:06,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:49:06,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:49:06,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:49:06,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:49:06,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:49:06,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:49:06,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:49:06,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:49:06,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 15:49:06,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:49:06,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:49:06,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:49:06,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:49:06,295 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:49:06,296 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:49:06,296 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:49:06,296 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:49:06,296 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:49:06,297 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:49:06,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:49:06,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:49:06,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:49:06,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:49:06,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:49:06,299 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:49:06,299 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 15:49:06,300 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 15:49:06,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:49:06,300 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:49:06,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:49:06,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:49:06,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 15:49:06,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:49:06,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:49:06,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:49:06,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:49:06,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:49:06,302 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 15:49:06,303 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 15:49:06,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:49:06,303 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:49:06,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:49:06,304 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce86015a8790fe78c3fa1e0817dad1e3ce7732b16cd3bc300a77723095c4573b [2021-11-19 15:49:06,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:49:06,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:49:06,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:49:06,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:49:06,762 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:49:06,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-11-19 15:49:06,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/data/f85ec2b43/01fa726acd67415ba385b220778ea25c/FLAGf980a0e09 [2021-11-19 15:49:08,065 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:49:08,066 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-11-19 15:49:08,144 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/data/f85ec2b43/01fa726acd67415ba385b220778ea25c/FLAGf980a0e09 [2021-11-19 15:49:08,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/data/f85ec2b43/01fa726acd67415ba385b220778ea25c [2021-11-19 15:49:08,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:49:08,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:49:08,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:49:08,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:49:08,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:49:08,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:49:08" (1/1) ... [2021-11-19 15:49:08,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60655d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:08, skipping insertion in model container [2021-11-19 15:49:08,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:49:08" (1/1) ... [2021-11-19 15:49:08,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:49:08,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:49:13,526 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[509912,509925] [2021-11-19 15:49:13,529 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510081,510094] [2021-11-19 15:49:13,529 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510248,510261] [2021-11-19 15:49:13,530 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510416,510429] [2021-11-19 15:49:13,562 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:49:13,637 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 15:49:13,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:49:14,349 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[509912,509925] [2021-11-19 15:49:14,350 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510081,510094] [2021-11-19 15:49:14,350 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510248,510261] [2021-11-19 15:49:14,351 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510416,510429] [2021-11-19 15:49:14,358 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:49:14,395 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 15:49:15,522 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[509912,509925] [2021-11-19 15:49:15,523 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510081,510094] [2021-11-19 15:49:15,524 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510248,510261] [2021-11-19 15:49:15,525 WARN L230 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_cba2b372-b4e9-4a79-8c46-2619415d91e0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510416,510429] [2021-11-19 15:49:15,537 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:49:15,760 INFO L208 MainTranslator]: Completed translation [2021-11-19 15:49:15,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:15 WrapperNode [2021-11-19 15:49:15,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:49:15,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 15:49:15,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 15:49:15,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 15:49:15,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:15" (1/1) ... [2021-11-19 15:49:15,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:15" (1/1) ... [2021-11-19 15:49:16,524 INFO L137 Inliner]: procedures = 498, calls = 6590, calls flagged for inlining = 235, calls inlined = 218, statements flattened = 11733 [2021-11-19 15:49:16,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 15:49:16,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 15:49:16,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 15:49:16,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 15:49:16,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:15" (1/1) ... [2021-11-19 15:49:16,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:15" (1/1) ... [2021-11-19 15:49:16,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:15" (1/1) ... [2021-11-19 15:49:16,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:15" (1/1) ... [2021-11-19 15:49:17,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:15" (1/1) ... [2021-11-19 15:49:17,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:15" (1/1) ... [2021-11-19 15:49:17,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:15" (1/1) ... [2021-11-19 15:49:17,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 15:49:17,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 15:49:17,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 15:49:17,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 15:49:17,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:15" (1/1) ... [2021-11-19 15:49:17,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:49:17,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:49:17,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 15:49:17,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 15:49:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2021-11-19 15:49:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2021-11-19 15:49:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2021-11-19 15:49:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2021-11-19 15:49:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE___0 [2021-11-19 15:49:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE___0 [2021-11-19 15:49:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2021-11-19 15:49:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2021-11-19 15:49:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 15:49:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 15:49:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2021-11-19 15:49:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2021-11-19 15:49:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 15:49:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 15:49:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2021-11-19 15:49:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2021-11-19 15:49:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-11-19 15:49:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-11-19 15:49:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_window [2021-11-19 15:49:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_window [2021-11-19 15:49:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 15:49:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 15:49:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_get [2021-11-19 15:49:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_get [2021-11-19 15:49:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure video_end [2021-11-19 15:49:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure video_end [2021-11-19 15:49:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure arch_spin_is_locked [2021-11-19 15:49:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_spin_is_locked [2021-11-19 15:49:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2021-11-19 15:49:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2021-11-19 15:49:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2021-11-19 15:49:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2021-11-19 15:49:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2021-11-19 15:49:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2021-11-19 15:49:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_queue [2021-11-19 15:49:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_queue [2021-11-19 15:49:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure video_close [2021-11-19 15:49:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure video_close [2021-11-19 15:49:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_open [2021-11-19 15:49:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_open [2021-11-19 15:49:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_59 [2021-11-19 15:49:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_59 [2021-11-19 15:49:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2021-11-19 15:49:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2021-11-19 15:49:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2021-11-19 15:49:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2021-11-19 15:49:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_54 [2021-11-19 15:49:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_54 [2021-11-19 15:49:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 15:49:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 15:49:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-11-19 15:49:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-11-19 15:49:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 15:49:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 15:49:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_irq_done [2021-11-19 15:49:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_irq_done [2021-11-19 15:49:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-11-19 15:49:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-11-19 15:49:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-19 15:49:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-19 15:49:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 15:49:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 15:49:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2021-11-19 15:49:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2021-11-19 15:49:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 15:49:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 15:49:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-11-19 15:49:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-11-19 15:49:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 15:49:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_overlay [2021-11-19 15:49:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_overlay [2021-11-19 15:49:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2021-11-19 15:49:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2021-11-19 15:49:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 15:49:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_60 [2021-11-19 15:49:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_60 [2021-11-19 15:49:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure video_irq_done [2021-11-19 15:49:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure video_irq_done [2021-11-19 15:49:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 15:49:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-19 15:49:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-19 15:49:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 15:49:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_saa7146_dev [2021-11-19 15:49:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_saa7146_dev [2021-11-19 15:49:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_overlay [2021-11-19 15:49:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_overlay [2021-11-19 15:49:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-11-19 15:49:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-11-19 15:49:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-19 15:49:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-19 15:49:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 15:49:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 15:49:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure sort_and_eliminate [2021-11-19 15:49:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure sort_and_eliminate [2021-11-19 15:49:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-11-19 15:49:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-11-19 15:49:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2021-11-19 15:49:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2021-11-19 15:49:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 15:49:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 15:49:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure fops_read [2021-11-19 15:49:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_read [2021-11-19 15:49:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 15:49:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 15:49:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure release_all_pagetables [2021-11-19 15:49:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure release_all_pagetables [2021-11-19 15:49:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_finish [2021-11-19 15:49:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_finish [2021-11-19 15:49:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_output_format [2021-11-19 15:49:17,628 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_output_format [2021-11-19 15:49:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2021-11-19 15:49:17,628 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2021-11-19 15:49:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 15:49:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 15:49:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_stop [2021-11-19 15:49:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_stop [2021-11-19 15:49:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_free [2021-11-19 15:49:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_free [2021-11-19 15:49:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-11-19 15:49:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-11-19 15:49:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 15:49:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 15:49:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fbuf [2021-11-19 15:49:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fbuf [2021-11-19 15:49:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 15:49:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 15:49:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2021-11-19 15:49:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2021-11-19 15:49:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 15:49:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 15:49:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 15:49:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-19 15:49:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-19 15:49:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 15:49:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 15:49:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-19 15:49:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-19 15:49:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-19 15:49:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-19 15:49:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2021-11-19 15:49:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2021-11-19 15:49:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2021-11-19 15:49:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2021-11-19 15:49:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 15:49:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_s_ctrl [2021-11-19 15:49:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_s_ctrl [2021-11-19 15:49:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 15:49:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 15:49:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 15:49:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 15:49:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2021-11-19 15:49:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2021-11-19 15:49:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-11-19 15:49:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-11-19 15:49:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 15:49:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 15:49:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2021-11-19 15:49:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2021-11-19 15:49:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 15:49:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 15:49:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2021-11-19 15:49:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2021-11-19 15:49:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure video_init [2021-11-19 15:49:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure video_init [2021-11-19 15:49:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_overlay [2021-11-19 15:49:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_overlay [2021-11-19 15:49:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vbi_cap [2021-11-19 15:49:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vbi_cap [2021-11-19 15:49:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-19 15:49:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-19 15:49:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-19 15:49:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-19 15:49:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-11-19 15:49:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-11-19 15:49:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure fops_mmap [2021-11-19 15:49:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_mmap [2021-11-19 15:49:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 15:49:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 15:49:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_disable_clipping [2021-11-19 15:49:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_disable_clipping [2021-11-19 15:49:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 15:49:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_parm [2021-11-19 15:49:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_parm [2021-11-19 15:49:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 15:49:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 15:49:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 15:49:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 15:49:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 15:49:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 15:49:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 15:49:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_stop_preview [2021-11-19 15:49:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_stop_preview [2021-11-19 15:49:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-19 15:49:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-19 15:49:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_int_slock_of_saa7146_dev [2021-11-19 15:49:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_int_slock_of_saa7146_dev [2021-11-19 15:49:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_saa7146_dev [2021-11-19 15:49:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_saa7146_dev [2021-11-19 15:49:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-11-19 15:49:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-11-19 15:49:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure video_begin [2021-11-19 15:49:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure video_begin [2021-11-19 15:49:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 15:49:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 15:49:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure fops_open [2021-11-19 15:49:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_open [2021-11-19 15:49:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_init [2021-11-19 15:49:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_init [2021-11-19 15:49:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 15:49:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 15:49:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fbuf [2021-11-19 15:49:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fbuf [2021-11-19 15:49:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-19 15:49:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-19 15:49:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-19 15:49:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-19 15:49:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 15:49:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 15:49:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 15:49:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 15:49:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 15:49:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 15:49:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2021-11-19 15:49:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2021-11-19 15:49:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 15:49:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 15:49:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 15:49:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-11-19 15:49:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-11-19 15:49:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 15:49:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 15:49:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-19 15:49:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-19 15:49:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 15:49:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 15:49:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 15:49:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 15:49:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-11-19 15:49:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-11-19 15:49:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 15:49:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 15:49:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2021-11-19 15:49:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2021-11-19 15:49:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_start_preview [2021-11-19 15:49:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_start_preview [2021-11-19 15:49:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2021-11-19 15:49:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2021-11-19 15:49:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 15:49:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 15:49:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure fops_release [2021-11-19 15:49:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_release [2021-11-19 15:49:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2021-11-19 15:49:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2021-11-19 15:49:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE___0 [2021-11-19 15:49:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE___0 [2021-11-19 15:49:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 15:49:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 15:49:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-19 15:49:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-19 15:49:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_write_out_dma [2021-11-19 15:49:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_write_out_dma [2021-11-19 15:49:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 15:49:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 15:49:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 15:49:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 15:49:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 15:49:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_format_by_fourcc [2021-11-19 15:49:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_format_by_fourcc [2021-11-19 15:49:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_dma_free [2021-11-19 15:49:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_dma_free [2021-11-19 15:49:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_next [2021-11-19 15:49:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_next [2021-11-19 15:49:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure program_capture_engine [2021-11-19 15:49:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure program_capture_engine [2021-11-19 15:49:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_close [2021-11-19 15:49:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_close [2021-11-19 15:49:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 15:49:17,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 15:49:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2021-11-19 15:49:17,754 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2021-11-19 15:49:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 15:49:17,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 15:49:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 15:49:17,754 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 15:49:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure fops_write [2021-11-19 15:49:17,754 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_write [2021-11-19 15:49:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_read [2021-11-19 15:49:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_read [2021-11-19 15:49:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure fops_poll [2021-11-19 15:49:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_poll [2021-11-19 15:49:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 15:49:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 15:49:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-19 15:49:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-19 15:49:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 15:49:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 15:49:19,251 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 15:49:19,256 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 15:49:21,648 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 15:54:14,507 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 15:54:14,681 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:54:14,707 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:54:14,708 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-19 15:54:14,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:54:14 BoogieIcfgContainer [2021-11-19 15:54:14,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:54:14,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:54:14,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:54:14,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:54:14,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:49:08" (1/3) ... [2021-11-19 15:54:14,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73357319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:54:14, skipping insertion in model container [2021-11-19 15:54:14,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:15" (2/3) ... [2021-11-19 15:54:14,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73357319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:54:14, skipping insertion in model container [2021-11-19 15:54:14,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:54:14" (3/3) ... [2021-11-19 15:54:14,725 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-11-19 15:54:14,731 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:54:14,732 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 15:54:14,817 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 15:54:14,824 INFO L339 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=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 15:54:14,825 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 15:54:14,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 3311 states, 2381 states have (on average 1.3443931121377573) internal successors, (3201), 2398 states have internal predecessors, (3201), 791 states have call successors, (791), 137 states have call predecessors, (791), 136 states have return successors, (782), 775 states have call predecessors, (782), 782 states have call successors, (782) [2021-11-19 15:54:14,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2021-11-19 15:54:14,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:54:14,969 INFO L514 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:54:14,970 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 15:54:14,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:54:14,977 INFO L85 PathProgramCache]: Analyzing trace with hash -647350993, now seen corresponding path program 1 times [2021-11-19 15:54:15,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:54:15,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5850682] [2021-11-19 15:54:15,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:54:15,013 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:54:15,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:54:15,019 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:54:15,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 15:54:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:54:19,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 4279 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:54:19,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:54:21,113 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 8127 trivial. 0 not checked. [2021-11-19 15:54:21,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:54:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8256 trivial. 0 not checked. [2021-11-19 15:54:22,520 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:54:22,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5850682] [2021-11-19 15:54:22,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5850682] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:54:22,521 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:54:22,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:54:22,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123883791] [2021-11-19 15:54:22,525 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:54:22,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:54:22,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:54:22,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:54:22,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:54:22,587 INFO L87 Difference]: Start difference. First operand has 3311 states, 2381 states have (on average 1.3443931121377573) internal successors, (3201), 2398 states have internal predecessors, (3201), 791 states have call successors, (791), 137 states have call predecessors, (791), 136 states have return successors, (782), 775 states have call predecessors, (782), 782 states have call successors, (782) Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2021-11-19 15:54:25,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:54:46,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:54:46,452 INFO L93 Difference]: Finished difference Result 12766 states and 18820 transitions. [2021-11-19 15:54:46,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:54:46,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 496 [2021-11-19 15:54:46,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:54:46,588 INFO L225 Difference]: With dead ends: 12766 [2021-11-19 15:54:46,588 INFO L226 Difference]: Without dead ends: 9514 [2021-11-19 15:54:46,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 988 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:54:46,634 INFO L933 BasicCegarLoop]: 6154 mSDtfsCounter, 12204 mSDsluCounter, 7598 mSDsCounter, 0 mSdLazyCounter, 1636 mSolverCounterSat, 1455 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12204 SdHoareTripleChecker+Valid, 13752 SdHoareTripleChecker+Invalid, 3092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1455 IncrementalHoareTripleChecker+Valid, 1636 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2021-11-19 15:54:46,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12204 Valid, 13752 Invalid, 3092 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1455 Valid, 1636 Invalid, 1 Unknown, 0 Unchecked, 22.9s Time] [2021-11-19 15:54:46,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9514 states. [2021-11-19 15:54:47,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9514 to 9491. [2021-11-19 15:54:47,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9491 states, 6884 states have (on average 1.336432306798373) internal successors, (9200), 6931 states have internal predecessors, (9200), 2202 states have call successors, (2202), 403 states have call predecessors, (2202), 402 states have return successors, (2198), 2177 states have call predecessors, (2198), 2198 states have call successors, (2198) [2021-11-19 15:54:47,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9491 states to 9491 states and 13600 transitions. [2021-11-19 15:54:47,586 INFO L78 Accepts]: Start accepts. Automaton has 9491 states and 13600 transitions. Word has length 496 [2021-11-19 15:54:47,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:54:47,590 INFO L470 AbstractCegarLoop]: Abstraction has 9491 states and 13600 transitions. [2021-11-19 15:54:47,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2021-11-19 15:54:47,597 INFO L276 IsEmpty]: Start isEmpty. Operand 9491 states and 13600 transitions. [2021-11-19 15:54:47,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2021-11-19 15:54:47,618 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:54:47,619 INFO L514 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:54:47,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 15:54:47,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:54:47,843 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 15:54:47,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:54:47,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1339452975, now seen corresponding path program 1 times [2021-11-19 15:54:47,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:54:47,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190251738] [2021-11-19 15:54:47,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:54:47,849 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:54:47,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:54:47,853 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:54:47,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 15:54:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:54:52,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 4314 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:54:52,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:54:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 8127 trivial. 0 not checked. [2021-11-19 15:54:53,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:54:54,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8256 trivial. 0 not checked. [2021-11-19 15:54:54,807 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:54:54,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190251738] [2021-11-19 15:54:54,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190251738] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:54:54,808 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:54:54,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:54:54,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181992760] [2021-11-19 15:54:54,808 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:54:54,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:54:54,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:54:54,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:54:54,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:54:54,812 INFO L87 Difference]: Start difference. First operand 9491 states and 13600 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 4 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 15:54:57,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:55:12,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:55:12,495 INFO L93 Difference]: Finished difference Result 37391 states and 53953 transitions. [2021-11-19 15:55:12,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:55:12,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 4 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 502 [2021-11-19 15:55:12,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:55:12,788 INFO L225 Difference]: With dead ends: 37391 [2021-11-19 15:55:12,788 INFO L226 Difference]: Without dead ends: 27991 [2021-11-19 15:55:12,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1002 GetRequests, 1000 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:55:12,868 INFO L933 BasicCegarLoop]: 6221 mSDtfsCounter, 9183 mSDsluCounter, 11880 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9183 SdHoareTripleChecker+Valid, 18101 SdHoareTripleChecker+Invalid, 1554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2021-11-19 15:55:12,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9183 Valid, 18101 Invalid, 1554 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 1545 Invalid, 1 Unknown, 0 Unchecked, 16.5s Time] [2021-11-19 15:55:12,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27991 states. [2021-11-19 15:55:14,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27991 to 27903. [2021-11-19 15:55:15,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27903 states, 20286 states have (on average 1.3391501528147491) internal successors, (27166), 20425 states have internal predecessors, (27166), 6426 states have call successors, (6426), 1201 states have call predecessors, (6426), 1188 states have return successors, (6788), 6327 states have call predecessors, (6788), 6422 states have call successors, (6788) [2021-11-19 15:55:15,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27903 states to 27903 states and 40380 transitions. [2021-11-19 15:55:15,393 INFO L78 Accepts]: Start accepts. Automaton has 27903 states and 40380 transitions. Word has length 502 [2021-11-19 15:55:15,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:55:15,396 INFO L470 AbstractCegarLoop]: Abstraction has 27903 states and 40380 transitions. [2021-11-19 15:55:15,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 4 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 15:55:15,397 INFO L276 IsEmpty]: Start isEmpty. Operand 27903 states and 40380 transitions. [2021-11-19 15:55:15,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2021-11-19 15:55:15,419 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:55:15,420 INFO L514 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:55:15,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 15:55:15,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:55:15,644 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 15:55:15,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:55:15,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1268668300, now seen corresponding path program 1 times [2021-11-19 15:55:15,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:55:15,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422787581] [2021-11-19 15:55:15,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:55:15,649 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:55:15,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:55:15,650 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:55:15,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 15:55:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:55:19,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 4383 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:55:19,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:55:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 8127 trivial. 0 not checked. [2021-11-19 15:55:20,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:55:22,270 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8256 trivial. 0 not checked. [2021-11-19 15:55:22,270 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:55:22,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422787581] [2021-11-19 15:55:22,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422787581] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:55:22,271 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:55:22,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:55:22,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281990399] [2021-11-19 15:55:22,271 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:55:22,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:55:22,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:55:22,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:55:22,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:55:22,274 INFO L87 Difference]: Start difference. First operand 27903 states and 40380 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 4 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2021-11-19 15:55:24,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:55:40,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:55:40,964 INFO L93 Difference]: Finished difference Result 91065 states and 131507 transitions. [2021-11-19 15:55:40,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:55:40,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 4 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 513 [2021-11-19 15:55:40,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:55:41,489 INFO L225 Difference]: With dead ends: 91065 [2021-11-19 15:55:41,490 INFO L226 Difference]: Without dead ends: 63253 [2021-11-19 15:55:41,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1024 GetRequests, 1022 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:55:41,666 INFO L933 BasicCegarLoop]: 6066 mSDtfsCounter, 9024 mSDsluCounter, 8187 mSDsCounter, 0 mSdLazyCounter, 1652 mSolverCounterSat, 34 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9024 SdHoareTripleChecker+Valid, 14253 SdHoareTripleChecker+Invalid, 1687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1652 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2021-11-19 15:55:41,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9024 Valid, 14253 Invalid, 1687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1652 Invalid, 1 Unknown, 0 Unchecked, 16.9s Time] [2021-11-19 15:55:41,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63253 states. [2021-11-19 15:55:45,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63253 to 63177. [2021-11-19 15:55:45,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63177 states, 46184 states have (on average 1.3403126623939026) internal successors, (61901), 46502 states have internal predecessors, (61901), 14219 states have call successors, (14219), 2800 states have call predecessors, (14219), 2771 states have return successors, (14959), 13978 states have call predecessors, (14959), 14215 states have call successors, (14959) [2021-11-19 15:55:46,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63177 states to 63177 states and 91079 transitions. [2021-11-19 15:55:46,293 INFO L78 Accepts]: Start accepts. Automaton has 63177 states and 91079 transitions. Word has length 513 [2021-11-19 15:55:46,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:55:46,296 INFO L470 AbstractCegarLoop]: Abstraction has 63177 states and 91079 transitions. [2021-11-19 15:55:46,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 4 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2021-11-19 15:55:46,297 INFO L276 IsEmpty]: Start isEmpty. Operand 63177 states and 91079 transitions. [2021-11-19 15:55:46,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2021-11-19 15:55:46,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:55:46,306 INFO L514 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:55:46,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 15:55:46,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:55:46,529 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 15:55:46,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:55:46,530 INFO L85 PathProgramCache]: Analyzing trace with hash -564983382, now seen corresponding path program 1 times [2021-11-19 15:55:46,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:55:46,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535750363] [2021-11-19 15:55:46,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:55:46,535 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:55:46,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:55:46,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:55:46,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 15:55:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:55:50,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 4347 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:55:50,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:55:52,194 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 8127 trivial. 0 not checked. [2021-11-19 15:55:52,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:55:53,603 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8256 trivial. 0 not checked. [2021-11-19 15:55:53,604 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:55:53,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535750363] [2021-11-19 15:55:53,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535750363] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:55:53,605 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:55:53,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 15:55:53,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578821613] [2021-11-19 15:55:53,606 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:55:53,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 15:55:53,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:55:53,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 15:55:53,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:55:53,610 INFO L87 Difference]: Start difference. First operand 63177 states and 91079 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-19 15:55:56,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:56:00,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:56:00,321 INFO L93 Difference]: Finished difference Result 173649 states and 250019 transitions. [2021-11-19 15:56:00,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:56:00,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 519 [2021-11-19 15:56:00,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:56:01,087 INFO L225 Difference]: With dead ends: 173649 [2021-11-19 15:56:01,087 INFO L226 Difference]: Without dead ends: 110563 [2021-11-19 15:56:01,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1036 GetRequests, 1035 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:56:01,619 INFO L933 BasicCegarLoop]: 6191 mSDtfsCounter, 4365 mSDsluCounter, 4647 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4365 SdHoareTripleChecker+Valid, 10838 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 15:56:01,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4365 Valid, 10838 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 64 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 15:56:01,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110563 states. [2021-11-19 15:56:07,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110563 to 110519. [2021-11-19 15:56:07,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110519 states, 81079 states have (on average 1.3410747542520258) internal successors, (108733), 81645 states have internal predecessors, (108733), 24497 states have call successors, (24497), 4993 states have call predecessors, (24497), 4940 states have return successors, (25585), 24053 states have call predecessors, (25585), 24493 states have call successors, (25585) [2021-11-19 15:56:08,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110519 states to 110519 states and 158815 transitions. [2021-11-19 15:56:08,158 INFO L78 Accepts]: Start accepts. Automaton has 110519 states and 158815 transitions. Word has length 519 [2021-11-19 15:56:08,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:56:08,160 INFO L470 AbstractCegarLoop]: Abstraction has 110519 states and 158815 transitions. [2021-11-19 15:56:08,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-19 15:56:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 110519 states and 158815 transitions. [2021-11-19 15:56:08,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2021-11-19 15:56:08,179 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:56:08,179 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 43, 43, 43, 43, 43, 43, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:56:08,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-19 15:56:08,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:56:08,393 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 15:56:08,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:56:08,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1997064194, now seen corresponding path program 1 times [2021-11-19 15:56:08,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:56:08,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175643921] [2021-11-19 15:56:08,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:56:08,398 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:56:08,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:56:08,399 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:56:08,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba2b372-b4e9-4a79-8c46-2619415d91e0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 15:56:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:56:12,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 4346 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:56:12,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:56:13,997 INFO L134 CoverageAnalysis]: Checked inductivity of 8529 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 8388 trivial. 0 not checked. [2021-11-19 15:56:13,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:56:15,123 INFO L134 CoverageAnalysis]: Checked inductivity of 8529 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8523 trivial. 0 not checked. [2021-11-19 15:56:15,123 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:56:15,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175643921] [2021-11-19 15:56:15,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175643921] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:56:15,123 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:56:15,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:56:15,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422022659] [2021-11-19 15:56:15,124 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:56:15,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:56:15,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:56:15,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:56:15,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:56:15,126 INFO L87 Difference]: Start difference. First operand 110519 states and 158815 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 4 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2021-11-19 15:56:17,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:56:40,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:56:40,858 INFO L93 Difference]: Finished difference Result 315092 states and 453090 transitions. [2021-11-19 15:56:40,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:56:40,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 4 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) Word has length 541 [2021-11-19 15:56:40,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:56:42,552 INFO L225 Difference]: With dead ends: 315092 [2021-11-19 15:56:42,552 INFO L226 Difference]: Without dead ends: 212240 [2021-11-19 15:56:42,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1080 GetRequests, 1078 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:56:42,860 INFO L933 BasicCegarLoop]: 9835 mSDtfsCounter, 9127 mSDsluCounter, 7568 mSDsCounter, 0 mSdLazyCounter, 1638 mSolverCounterSat, 740 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9127 SdHoareTripleChecker+Valid, 17403 SdHoareTripleChecker+Invalid, 2379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 740 IncrementalHoareTripleChecker+Valid, 1638 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2021-11-19 15:56:42,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9127 Valid, 17403 Invalid, 2379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [740 Valid, 1638 Invalid, 1 Unknown, 0 Unchecked, 18.9s Time] [2021-11-19 15:56:43,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212240 states. [2021-11-19 15:56:52,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212240 to 212217. [2021-11-19 15:56:52,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212217 states, 155711 states have (on average 1.3409393042238507) internal successors, (208799), 156755 states have internal predecessors, (208799), 47021 states have call successors, (47021), 9583 states have call predecessors, (47021), 9482 states have return successors, (49153), 46213 states have call predecessors, (49153), 47017 states have call successors, (49153)