./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 12:02:32,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:02:32,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:02:32,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:02:32,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:02:33,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:02:33,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:02:33,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:02:33,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:02:33,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:02:33,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:02:33,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:02:33,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:02:33,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:02:33,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:02:33,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:02:33,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:02:33,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:02:33,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:02:33,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:02:33,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:02:33,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:02:33,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:02:33,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:02:33,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:02:33,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:02:33,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:02:33,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:02:33,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:02:33,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:02:33,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:02:33,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:02:33,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:02:33,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:02:33,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:02:33,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:02:33,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:02:33,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:02:33,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:02:33,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:02:33,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:02:33,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 12:02:33,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:02:33,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:02:33,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:02:33,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:02:33,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:02:33,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:02:33,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:02:33,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:02:33,057 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:02:33,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:02:33,057 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:02:33,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:02:33,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:02:33,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:02:33,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:02:33,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:02:33,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:02:33,062 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:02:33,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:02:33,062 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:02:33,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:02:33,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:02:33,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:02:33,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:02:33,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:02:33,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:02:33,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:02:33,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:02:33,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:02:33,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:02:33,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:02:33,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:02:33,064 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:02:33,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:02:33,064 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:02:33,064 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c [2022-12-13 12:02:33,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:02:33,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:02:33,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:02:33,240 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:02:33,241 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:02:33,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-12-13 12:02:35,856 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:02:36,182 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:02:36,183 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-12-13 12:02:36,205 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/bin/uautomizer-uyxdKDjOR8/data/8455f391e/3ea8b744b4184c57bbbe3aba1c364262/FLAG808e95d45 [2022-12-13 12:02:36,218 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/bin/uautomizer-uyxdKDjOR8/data/8455f391e/3ea8b744b4184c57bbbe3aba1c364262 [2022-12-13 12:02:36,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:02:36,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:02:36,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:02:36,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:02:36,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:02:36,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:02:36" (1/1) ... [2022-12-13 12:02:36,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f214f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:02:36, skipping insertion in model container [2022-12-13 12:02:36,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:02:36" (1/1) ... [2022-12-13 12:02:36,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:02:36,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:02:36,761 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:02:36,840 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 12:02:36,846 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:02:36,848 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 12:02:36,879 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 12:02:36,887 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-13 12:02:36,892 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-13 12:02:36,925 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 12:02:36,926 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 12:02:36,934 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:02:36,935 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,072 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,084 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 12:02:37,084 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,085 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-13 12:02:37,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,087 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:02:37,088 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-13 12:02:37,088 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-13 12:02:37,091 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 12:02:37,091 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,092 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 12:02:37,092 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,093 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:02:37,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,096 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:02:37,098 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,102 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 12:02:37,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,106 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,106 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,107 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,107 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,111 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 12:02:37,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,113 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 12:02:37,114 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-13 12:02:37,115 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 12:02:37,115 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,117 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-13 12:02:37,118 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,119 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,120 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,125 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,126 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,130 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,132 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-13 12:02:37,134 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,140 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:02:37,141 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,142 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 12:02:37,142 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 12:02:37,144 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 12:02:37,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,149 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,150 WARN L623 FunctionHandler]: Unknown extern function async_unwrap_char [2022-12-13 12:02:37,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,171 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,173 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-13 12:02:37,175 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:02:37,175 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-13 12:02:37,176 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,177 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,177 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,178 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-13 12:02:37,179 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-13 12:02:37,180 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,181 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,182 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,182 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 12:02:37,183 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 12:02:37,184 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-13 12:02:37,283 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-13 12:02:37,284 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-13 12:02:37,288 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 12:02:37,288 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 12:02:37,293 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:02:37,337 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 12:02:37,337 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 12:02:37,450 WARN L237 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_28e84925-1728-430f-bee1-dce08998c690/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-12-13 12:02:37,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:02:37,815 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:02:37,915 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:02:37,922 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 12:02:37,923 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:02:37,924 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 12:02:37,926 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 12:02:37,927 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-13 12:02:37,927 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-13 12:02:37,929 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 12:02:37,930 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 12:02:37,931 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:02:37,932 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,937 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,939 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,941 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,942 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 12:02:37,942 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,943 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-13 12:02:37,944 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,944 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:02:37,945 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-13 12:02:37,946 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-13 12:02:37,948 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 12:02:37,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,949 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 12:02:37,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,950 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:02:37,951 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,952 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:02:37,954 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,957 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 12:02:37,957 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,957 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,960 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,960 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,960 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,963 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 12:02:37,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,964 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 12:02:37,964 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-13 12:02:37,964 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 12:02:37,965 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,965 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-13 12:02:37,966 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,967 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,967 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,969 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,971 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,972 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-13 12:02:37,972 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,975 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:02:37,976 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,976 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 12:02:37,977 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 12:02:37,979 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 12:02:37,980 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,981 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,981 WARN L623 FunctionHandler]: Unknown extern function async_unwrap_char [2022-12-13 12:02:37,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,986 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,989 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,989 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-13 12:02:37,990 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:02:37,990 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-13 12:02:37,991 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,991 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,992 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-13 12:02:37,993 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-13 12:02:37,994 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,994 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,994 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:02:37,995 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 12:02:37,995 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 12:02:37,996 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-13 12:02:38,012 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-13 12:02:38,012 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-13 12:02:38,017 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 12:02:38,017 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 12:02:38,021 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:02:38,023 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 12:02:38,024 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 12:02:38,030 WARN L237 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_28e84925-1728-430f-bee1-dce08998c690/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-12-13 12:02:38,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:02:38,121 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:02:38,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:02:38 WrapperNode [2022-12-13 12:02:38,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:02:38,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:02:38,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:02:38,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:02:38,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:02:38" (1/1) ... [2022-12-13 12:02:38,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:02:38" (1/1) ... [2022-12-13 12:02:38,300 INFO L138 Inliner]: procedures = 326, calls = 1240, calls flagged for inlining = 468, calls inlined = 783, statements flattened = 6602 [2022-12-13 12:02:38,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:02:38,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:02:38,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:02:38,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:02:38,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:02:38" (1/1) ... [2022-12-13 12:02:38,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:02:38" (1/1) ... [2022-12-13 12:02:38,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:02:38" (1/1) ... [2022-12-13 12:02:38,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:02:38" (1/1) ... [2022-12-13 12:02:38,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:02:38" (1/1) ... [2022-12-13 12:02:38,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:02:38" (1/1) ... [2022-12-13 12:02:38,410 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:02:38" (1/1) ... [2022-12-13 12:02:38,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:02:38" (1/1) ... [2022-12-13 12:02:38,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:02:38,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:02:38,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:02:38,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:02:38,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:02:38" (1/1) ... [2022-12-13 12:02:38,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:02:38,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:02:38,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:02:38,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e84925-1728-430f-bee1-dce08998c690/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:02:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2022-12-13 12:02:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2022-12-13 12:02:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2022-12-13 12:02:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2022-12-13 12:02:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-12-13 12:02:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-12-13 12:02:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 12:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 12:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 12:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:02:38,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:02:38,501 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 12:02:38,896 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:02:38,898 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:02:42,809 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:02:42,840 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:02:42,840 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:02:42,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:02:42 BoogieIcfgContainer [2022-12-13 12:02:42,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:02:42,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:02:42,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:02:42,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:02:42,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:02:36" (1/3) ... [2022-12-13 12:02:42,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412b96e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:02:42, skipping insertion in model container [2022-12-13 12:02:42,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:02:38" (2/3) ... [2022-12-13 12:02:42,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412b96e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:02:42, skipping insertion in model container [2022-12-13 12:02:42,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:02:42" (3/3) ... [2022-12-13 12:02:42,857 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-12-13 12:02:42,866 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 12:02:42,876 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:02:42,876 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:02:42,876 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 12:02:43,725 INFO L144 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2022-12-13 12:02:43,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 11423 places, 11792 transitions, 23648 flow [2022-12-13 12:03:49,550 INFO L130 PetriNetUnfolder]: 708/22162 cut-off events. [2022-12-13 12:03:49,551 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-13 12:03:53,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22196 conditions, 22162 events. 708/22162 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 154690 event pairs, 1 based on Foata normal form. 0/21439 useless extension candidates. Maximal degree in co-relation 21554. Up to 18 conditions per place. [2022-12-13 12:03:53,361 INFO L82 GeneralOperation]: Start removeDead. Operand has 11423 places, 11792 transitions, 23648 flow [2022-12-13 12:03:53,947 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 8430 places, 8697 transitions, 17428 flow [2022-12-13 12:03:53,951 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 12:03:53,972 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 8430 places, 8697 transitions, 17428 flow [2022-12-13 12:03:53,975 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 8430 places, 8697 transitions, 17428 flow [2022-12-13 12:03:53,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 8430 places, 8697 transitions, 17428 flow [2022-12-13 12:04:54,913 INFO L130 PetriNetUnfolder]: 708/22162 cut-off events. [2022-12-13 12:04:54,913 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-13 12:04:58,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22196 conditions, 22162 events. 708/22162 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 154456 event pairs, 1 based on Foata normal form. 0/21439 useless extension candidates. Maximal degree in co-relation 21554. Up to 18 conditions per place. [2022-12-13 12:05:14,623 INFO L119 LiptonReduction]: Number of co-enabled transitions 41506146 [2022-12-13 12:12:44,058 WARN L233 SmtUtils]: Spent 7.72s on a formula simplification that was a NOOP. DAG size: 1291 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:12:52,815 WARN L233 SmtUtils]: Spent 8.75s on a formula simplification that was a NOOP. DAG size: 1291 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:13:01,161 WARN L233 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 1291 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)