./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/config/GemCutterReach.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_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH --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 GemCutter --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-38b53e6 [2022-11-25 18:48:57,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:48:57,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:48:57,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:48:57,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:48:57,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:48:57,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:48:57,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:48:57,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:48:57,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:48:57,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:48:57,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:48:57,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:48:57,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:48:57,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:48:57,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:48:57,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:48:57,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:48:57,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:48:57,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:48:57,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:48:57,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:48:57,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:48:57,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:48:57,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:48:57,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:48:57,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:48:57,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:48:57,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:48:57,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:48:57,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:48:57,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:48:57,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:48:57,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:48:57,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:48:57,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:48:57,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:48:57,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:48:57,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:48:57,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:48:57,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:48:57,694 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-25 18:48:57,734 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:48:57,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:48:57,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:48:57,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:48:57,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:48:57,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:48:57,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:48:57,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:48:57,748 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:48:57,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:48:57,749 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:48:57,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:48:57,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:48:57,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:48:57,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:48:57,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:48:57,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:48:57,750 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:48:57,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:48:57,751 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:48:57,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:48:57,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:48:57,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:48:57,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:48:57,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:48:57,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:48:57,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:48:57,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:48:57,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:48:57,754 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-25 18:48:57,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:48:57,754 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:48:57,755 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:48:57,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:48:57,755 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:48:57,755 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:48:57,757 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c [2022-11-25 18:48:58,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:48:58,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:48:58,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:48:58,173 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:48:58,174 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:48:58,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-11-25 18:49:01,403 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:49:02,128 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:49:02,129 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-11-25 18:49:02,168 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/data/e1ba1d25c/71550c54d27d439da797661269d36eb9/FLAG4c44b136b [2022-11-25 18:49:02,185 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/data/e1ba1d25c/71550c54d27d439da797661269d36eb9 [2022-11-25 18:49:02,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:49:02,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:49:02,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:49:02,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:49:02,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:49:02,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:49:02" (1/1) ... [2022-11-25 18:49:02,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a4f304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:02, skipping insertion in model container [2022-11-25 18:49:02,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:49:02" (1/1) ... [2022-11-25 18:49:02,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:49:02,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:49:03,331 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 18:49:03,496 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 18:49:03,507 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:49:03,512 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 18:49:03,570 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 18:49:03,584 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-11-25 18:49:03,592 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-11-25 18:49:03,658 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 18:49:03,663 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 18:49:03,681 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:49:03,682 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,881 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,906 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 18:49:03,908 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,911 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-11-25 18:49:03,912 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,914 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:49:03,918 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-11-25 18:49:03,920 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-11-25 18:49:03,937 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:49:03,939 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,940 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:49:03,941 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,944 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 18:49:03,947 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,951 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 18:49:03,960 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,970 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:49:03,976 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,977 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,980 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,984 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,986 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,995 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:03,999 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:49:04,003 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,003 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 18:49:04,005 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-11-25 18:49:04,006 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:49:04,007 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,009 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-11-25 18:49:04,016 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,024 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,039 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,041 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,044 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,050 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,052 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,056 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-11-25 18:49:04,058 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,077 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:49:04,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,082 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:49:04,082 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:49:04,084 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 18:49:04,091 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,095 WARN L623 FunctionHandler]: Unknown extern function async_unwrap_char [2022-11-25 18:49:04,101 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,108 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,141 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,143 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,146 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-11-25 18:49:04,152 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:49:04,154 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-11-25 18:49:04,156 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,162 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-11-25 18:49:04,163 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-11-25 18:49:04,164 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:04,170 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 18:49:04,171 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 18:49:04,172 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-11-25 18:49:04,325 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-11-25 18:49:04,325 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-11-25 18:49:04,330 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:49:04,331 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:49:04,337 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:49:04,420 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 18:49:04,421 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 18:49:04,576 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_3da10d08-0d3d-4706-b810-e8fae79f5a1e/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-11-25 18:49:05,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:49:05,049 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:49:05,218 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 18:49:05,230 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 18:49:05,231 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:49:05,232 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 18:49:05,237 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 18:49:05,238 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-11-25 18:49:05,239 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-11-25 18:49:05,240 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 18:49:05,241 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 18:49:05,243 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:49:05,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,251 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,255 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,256 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 18:49:05,257 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,260 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-11-25 18:49:05,260 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,262 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:49:05,263 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-11-25 18:49:05,264 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-11-25 18:49:05,267 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:49:05,268 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,270 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:49:05,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,273 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 18:49:05,274 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,276 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,276 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 18:49:05,278 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,288 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:49:05,289 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,289 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,295 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,296 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,298 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,298 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,303 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:49:05,305 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,305 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 18:49:05,306 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-11-25 18:49:05,307 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:49:05,308 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,309 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-11-25 18:49:05,311 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,313 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,315 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,317 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,320 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,327 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-11-25 18:49:05,329 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,338 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:49:05,339 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,340 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:49:05,341 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:49:05,352 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 18:49:05,359 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,365 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,367 WARN L623 FunctionHandler]: Unknown extern function async_unwrap_char [2022-11-25 18:49:05,368 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,371 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,384 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-11-25 18:49:05,385 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:49:05,386 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-11-25 18:49:05,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,389 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,390 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,391 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-11-25 18:49:05,392 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-11-25 18:49:05,396 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,397 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,398 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:49:05,399 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 18:49:05,400 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 18:49:05,400 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-11-25 18:49:05,426 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-11-25 18:49:05,426 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-11-25 18:49:05,435 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:49:05,435 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:49:05,441 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:49:05,456 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 18:49:05,456 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 18:49:05,469 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_3da10d08-0d3d-4706-b810-e8fae79f5a1e/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-11-25 18:49:05,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:49:05,655 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:49:05,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:05 WrapperNode [2022-11-25 18:49:05,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:49:05,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:49:05,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:49:05,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:49:05,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:05" (1/1) ... [2022-11-25 18:49:05,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:05" (1/1) ... [2022-11-25 18:49:06,057 INFO L138 Inliner]: procedures = 326, calls = 1240, calls flagged for inlining = 468, calls inlined = 783, statements flattened = 6602 [2022-11-25 18:49:06,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:49:06,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:49:06,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:49:06,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:49:06,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:05" (1/1) ... [2022-11-25 18:49:06,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:05" (1/1) ... [2022-11-25 18:49:06,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:05" (1/1) ... [2022-11-25 18:49:06,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:05" (1/1) ... [2022-11-25 18:49:06,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:05" (1/1) ... [2022-11-25 18:49:06,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:05" (1/1) ... [2022-11-25 18:49:06,378 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:05" (1/1) ... [2022-11-25 18:49:06,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:05" (1/1) ... [2022-11-25 18:49:06,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:49:06,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:49:06,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:49:06,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:49:06,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:05" (1/1) ... [2022-11-25 18:49:06,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:49:06,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:49:06,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:49:06,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:49:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2022-11-25 18:49:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2022-11-25 18:49:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2022-11-25 18:49:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2022-11-25 18:49:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-11-25 18:49:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-11-25 18:49:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:49:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:49:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:49:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 18:49:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:49:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:49:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 18:49:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:49:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:49:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:49:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:49:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:49:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:49:06,547 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:49:07,372 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:49:07,374 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:49:14,651 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:49:14,713 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:49:14,713 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:49:14,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:49:14 BoogieIcfgContainer [2022-11-25 18:49:14,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:49:14,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:49:14,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:49:14,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:49:14,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:49:02" (1/3) ... [2022-11-25 18:49:14,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6448ec34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:49:14, skipping insertion in model container [2022-11-25 18:49:14,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:05" (2/3) ... [2022-11-25 18:49:14,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6448ec34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:49:14, skipping insertion in model container [2022-11-25 18:49:14,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:49:14" (3/3) ... [2022-11-25 18:49:14,732 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-11-25 18:49:14,744 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:49:14,758 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:49:14,758 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:49:14,758 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:49:16,616 INFO L144 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2022-11-25 18:49:16,808 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:49:16,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:49:16,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:49:16,815 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:49:16,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da10d08-0d3d-4706-b810-e8fae79f5a1e/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-25 18:49:16,985 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:49:17,004 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_random_allocationless_scenario_3Thread1of1ForFork1 ======== [2022-11-25 18:49:17,012 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@13bab80e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:49:17,012 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:49:50,936 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:49:50,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:50,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1380345467, now seen corresponding path program 1 times [2022-11-25 18:49:50,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:50,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896390681] [2022-11-25 18:49:50,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:50,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:54,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:49:54,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:49:54,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896390681] [2022-11-25 18:49:54,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896390681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:49:54,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:49:54,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:49:54,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208163710] [2022-11-25 18:49:54,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:49:54,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:49:54,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:49:54,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:49:54,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:49:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:54,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:49:54,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1123.0) internal successors, (2246), 2 states have internal predecessors, (2246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:49:54,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:58,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:49:58,968 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:49:58,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:58,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1527692456, now seen corresponding path program 1 times [2022-11-25 18:49:58,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:58,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28178737] [2022-11-25 18:49:58,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:58,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:50:12,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:50:12,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:50:12,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28178737] [2022-11-25 18:50:12,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28178737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:50:12,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:50:12,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 18:50:12,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267778274] [2022-11-25 18:50:12,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:50:12,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 18:50:12,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:50:12,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 18:50:12,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:50:12,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:12,316 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:50:12,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 164.54545454545453) internal successors, (1810), 11 states have internal predecessors, (1810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:50:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:14,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:14,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:50:14,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:50:14,050 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:50:14,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:50:14,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1566903222, now seen corresponding path program 1 times [2022-11-25 18:50:14,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:50:14,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17967147] [2022-11-25 18:50:14,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:50:14,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:50:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:50:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2022-11-25 18:50:28,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:50:28,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17967147] [2022-11-25 18:50:28,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17967147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:50:28,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:50:28,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 18:50:28,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111639795] [2022-11-25 18:50:28,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:50:28,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 18:50:28,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:50:28,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 18:50:28,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:50:28,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:28,080 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:50:28,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 175.54545454545453) internal successors, (1931), 11 states have internal predecessors, (1931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:50:28,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:28,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:50:28,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:50:29,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:50:29,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:50:29,160 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:50:29,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:50:29,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1849465570, now seen corresponding path program 1 times [2022-11-25 18:50:29,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:50:29,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714563592] [2022-11-25 18:50:29,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:50:29,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:50:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat