./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 --- 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 [2022-12-14 08:33:23,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:33:23,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:33:23,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:33:23,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:33:23,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:33:23,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:33:23,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:33:23,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:33:23,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:33:23,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:33:23,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:33:23,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:33:23,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:33:23,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:33:23,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:33:23,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:33:23,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:33:23,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:33:23,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:33:23,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:33:23,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:33:23,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:33:23,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:33:23,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:33:23,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:33:23,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:33:23,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:33:23,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:33:23,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:33:23,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:33:23,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:33:23,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:33:23,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:33:23,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:33:23,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:33:23,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:33:23,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:33:23,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:33:23,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:33:23,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:33:23,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 08:33:23,295 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:33:23,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:33:23,296 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:33:23,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:33:23,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:33:23,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:33:23,297 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:33:23,297 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:33:23,305 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:33:23,306 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:33:23,306 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:33:23,306 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:33:23,306 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:33:23,306 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:33:23,306 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:33:23,306 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:33:23,307 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:33:23,307 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:33:23,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:33:23,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:33:23,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:33:23,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:33:23,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:33:23,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:33:23,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:33:23,308 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:33:23,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:33:23,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:33:23,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:33:23,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:33:23,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:33:23,309 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:33:23,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:33:23,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:33:23,310 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:33:23,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:33:23,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:33:23,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:33:23,310 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_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 [2022-12-14 08:33:23,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:33:23,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:33:23,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:33:23,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:33:23,519 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:33:23,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-12-14 08:33:26,081 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:33:26,532 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:33:26,532 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-12-14 08:33:26,566 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/data/d3e3c17cd/3d433e814655413cb4afd6dbec13bec5/FLAGe0e7b3af6 [2022-12-14 08:33:26,634 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/data/d3e3c17cd/3d433e814655413cb4afd6dbec13bec5 [2022-12-14 08:33:26,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:33:26,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:33:26,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:33:26,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:33:26,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:33:26,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:33:26" (1/1) ... [2022-12-14 08:33:26,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11501323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:33:26, skipping insertion in model container [2022-12-14 08:33:26,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:33:26" (1/1) ... [2022-12-14 08:33:26,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:33:26,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:33:27,099 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 08:33:27,157 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-14 08:33:27,426 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:33:27,435 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:33:27,471 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:27,472 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:33:27,473 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:33:27,473 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 08:33:27,478 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:27,478 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 08:33:27,542 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 08:33:27,546 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 08:33:27,664 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:33:27,665 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:33:27,671 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 08:33:27,672 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 08:33:27,682 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 08:33:27,687 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:33:27,688 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 08:33:27,688 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:33:27,698 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:33:27,699 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 08:33:27,699 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:33:27,716 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:33:27,724 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 08:33:27,725 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:33:27,726 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 08:33:27,727 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:33:27,727 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 08:33:27,734 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:33:27,739 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 08:33:27,740 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:33:27,740 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 08:33:27,740 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:33:27,741 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 08:33:27,821 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:27,822 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:27,827 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:27,837 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:27,838 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:27,879 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:27,881 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:27,885 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:28,047 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:28,048 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:28,065 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 08:33:28,094 WARN L623 FunctionHandler]: Unknown extern function find_font [2022-12-14 08:33:28,095 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 08:33:28,097 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 08:33:28,098 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 08:33:28,101 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 08:33:28,110 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-14 08:33:28,112 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:28,112 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:28,114 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-14 08:33:28,115 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:33:28,115 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:33:28,129 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:28,130 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:28,131 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:28,134 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:28,142 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:28,143 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:28,144 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:28,146 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:28,172 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:28,187 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 08:33:28,188 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:28,189 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 08:33:28,189 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-14 08:33:28,189 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:28,191 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:28,192 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:28,192 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 08:33:28,193 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:28,193 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 08:33:28,194 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:28,195 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 08:33:28,196 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:28,196 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:33:28,196 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-14 08:33:28,197 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:28,198 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 08:33:28,198 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-14 08:33:28,199 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:33:28,205 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-14 08:33:28,214 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 08:33:28,220 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 08:33:28,252 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,252 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,253 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 08:33:28,253 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,253 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 08:33:28,254 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,254 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 08:33:28,254 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,254 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,255 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,255 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,255 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 08:33:28,255 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value_probe [2022-12-14 08:33:28,256 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,256 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,257 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,257 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,257 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,257 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 08:33:28,258 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,258 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,258 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,259 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,259 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,259 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,259 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,260 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,260 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,260 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,260 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,261 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,261 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,261 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,261 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,262 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,262 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,262 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,262 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,263 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,263 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,263 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,263 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,264 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,536 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,537 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,773 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 08:33:28,823 WARN L623 FunctionHandler]: Unknown extern function con_set_default_unimap [2022-12-14 08:33:28,823 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-12-14 08:33:28,828 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 08:33:28,863 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 08:33:28,916 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-12-14 08:33:28,921 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 08:33:28,921 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 08:33:28,934 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-12-14 08:33:28,940 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:28,940 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 08:33:28,941 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:28,941 WARN L623 FunctionHandler]: Unknown extern function take_over_console [2022-12-14 08:33:28,942 WARN L623 FunctionHandler]: Unknown extern function take_over_console [2022-12-14 08:33:28,943 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 08:33:28,943 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 08:33:28,949 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,949 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,949 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,949 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,950 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,950 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,950 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,950 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,951 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,951 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,951 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,951 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,951 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,952 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,952 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,952 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,952 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,952 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,952 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,952 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,953 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,953 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:28,953 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,953 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,954 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,954 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 08:33:28,954 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,954 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,954 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,955 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,955 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,955 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,955 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,956 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,956 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,956 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,956 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,957 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,957 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,957 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,958 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,958 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,958 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,958 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,959 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,959 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,959 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,959 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,959 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,959 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,960 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,960 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,960 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,960 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,960 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,960 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,961 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,961 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,961 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,962 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,962 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,962 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,962 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,963 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,963 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,963 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,963 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,964 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,964 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,964 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:28,964 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,965 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,965 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,965 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,965 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,966 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:28,971 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_2be93042-3caf-4d1d-b8f4-e12a5dce3437/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[361017,361030] [2022-12-14 08:33:29,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:33:29,132 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:33:29,191 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 08:33:29,192 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-14 08:33:29,193 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:33:29,194 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:33:29,195 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,196 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:33:29,196 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:33:29,196 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 08:33:29,197 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,197 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 08:33:29,198 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 08:33:29,199 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 08:33:29,205 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:33:29,205 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:33:29,206 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 08:33:29,206 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 08:33:29,207 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 08:33:29,208 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:33:29,208 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 08:33:29,209 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:33:29,210 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:33:29,210 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 08:33:29,210 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:33:29,213 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:33:29,214 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 08:33:29,215 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:33:29,215 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 08:33:29,215 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:33:29,215 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 08:33:29,216 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:33:29,217 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 08:33:29,217 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:33:29,218 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 08:33:29,218 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:33:29,218 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 08:33:29,231 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,232 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,233 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,237 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,238 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,246 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,247 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,249 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,312 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,313 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,319 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 08:33:29,328 WARN L623 FunctionHandler]: Unknown extern function find_font [2022-12-14 08:33:29,329 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 08:33:29,330 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 08:33:29,331 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 08:33:29,332 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 08:33:29,334 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-14 08:33:29,335 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,336 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,337 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-14 08:33:29,337 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:33:29,337 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:33:29,339 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,340 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,341 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,342 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,344 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,345 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,345 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,347 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,353 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:33:29,356 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 08:33:29,356 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,356 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 08:33:29,357 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-14 08:33:29,357 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,357 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,358 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,358 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 08:33:29,359 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,359 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 08:33:29,359 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,362 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 08:33:29,362 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,362 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:33:29,363 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-14 08:33:29,363 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,363 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 08:33:29,364 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-14 08:33:29,364 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:33:29,365 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-14 08:33:29,367 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 08:33:29,367 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 08:33:29,368 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,369 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,369 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 08:33:29,369 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,369 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 08:33:29,369 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,370 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 08:33:29,370 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,370 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,370 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,371 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,371 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 08:33:29,371 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value_probe [2022-12-14 08:33:29,371 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,372 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,372 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,372 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,372 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,373 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 08:33:29,373 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,373 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,373 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,373 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,374 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,374 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,374 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,374 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,374 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,374 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,375 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,375 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,375 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,375 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,375 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,376 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,376 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,376 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,376 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,376 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,377 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,377 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,377 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,377 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,414 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,414 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,415 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 08:33:29,420 WARN L623 FunctionHandler]: Unknown extern function con_set_default_unimap [2022-12-14 08:33:29,421 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-12-14 08:33:29,421 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 08:33:29,430 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 08:33:29,453 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-12-14 08:33:29,454 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 08:33:29,455 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 08:33:29,457 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-12-14 08:33:29,458 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,458 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 08:33:29,459 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:33:29,459 WARN L623 FunctionHandler]: Unknown extern function take_over_console [2022-12-14 08:33:29,460 WARN L623 FunctionHandler]: Unknown extern function take_over_console [2022-12-14 08:33:29,460 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 08:33:29,460 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 08:33:29,461 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,461 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,461 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,461 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,461 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,462 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,462 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,462 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,462 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,462 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,463 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,463 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,463 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,463 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,463 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,463 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,464 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,464 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,464 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,464 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,464 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,464 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 08:33:29,465 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,465 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,465 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,465 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 08:33:29,466 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,466 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,466 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,466 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,466 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,466 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,467 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,467 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,467 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,467 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,467 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,467 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,468 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,468 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,468 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,468 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,468 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,468 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,469 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,469 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,469 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,469 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,469 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,469 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,470 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,470 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,470 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,470 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,470 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,471 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,471 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,471 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,471 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,471 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,471 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,472 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,472 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,472 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,472 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,472 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,486 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,486 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,487 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,487 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:33:29,487 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,487 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,487 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,487 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,488 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,488 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:33:29,488 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_2be93042-3caf-4d1d-b8f4-e12a5dce3437/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[361017,361030] [2022-12-14 08:33:29,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:33:29,619 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:33:29,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:33:29 WrapperNode [2022-12-14 08:33:29,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:33:29,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:33:29,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:33:29,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:33:29,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:33:29" (1/1) ... [2022-12-14 08:33:29,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:33:29" (1/1) ... [2022-12-14 08:33:29,976 INFO L138 Inliner]: procedures = 359, calls = 7223, calls flagged for inlining = 183, calls inlined = 137, statements flattened = 13695 [2022-12-14 08:33:29,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:33:29,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:33:29,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:33:29,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:33:29,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:33:29" (1/1) ... [2022-12-14 08:33:29,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:33:29" (1/1) ... [2022-12-14 08:33:30,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:33:29" (1/1) ... [2022-12-14 08:33:30,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:33:29" (1/1) ... [2022-12-14 08:33:30,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:33:29" (1/1) ... [2022-12-14 08:33:30,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:33:29" (1/1) ... [2022-12-14 08:33:30,346 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:33:29" (1/1) ... [2022-12-14 08:33:30,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:33:29" (1/1) ... [2022-12-14 08:33:30,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:33:30,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:33:30,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:33:30,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:33:30,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:33:29" (1/1) ... [2022-12-14 08:33:30,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:33:30,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:33:30,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:33:30,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:33:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-12-14 08:33:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-12-14 08:33:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-12-14 08:33:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-12-14 08:33:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-12-14 08:33:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-12-14 08:33:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 08:33:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 08:33:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 08:33:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 08:33:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_recv_bulk_msg [2022-12-14 08:33:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_recv_bulk_msg [2022-12-14 08:33:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 08:33:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 08:33:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_save_screen [2022-12-14 08:33:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_save_screen [2022-12-14 08:33:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_buffers [2022-12-14 08:33:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_buffers [2022-12-14 08:33:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_disconnect [2022-12-14 08:33:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_disconnect [2022-12-14 08:33:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_deinit [2022-12-14 08:33:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_deinit [2022-12-14 08:33:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_byte [2022-12-14 08:33:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_byte [2022-12-14 08:33:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 08:33:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 08:33:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-12-14 08:33:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-12-14 08:33:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 08:33:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 08:33:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_cursor [2022-12-14 08:33:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_cursor [2022-12-14 08:33:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-12-14 08:33:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-12-14 08:33:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-12-14 08:33:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-12-14 08:33:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_word [2022-12-14 08:33:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_word [2022-12-14 08:33:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 08:33:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 08:33:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetReg [2022-12-14 08:33:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetReg [2022-12-14 08:33:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 08:33:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 08:33:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb_lock_and_check [2022-12-14 08:33:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb_lock_and_check [2022-12-14 08:33:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:33:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure take_over_console [2022-12-14 08:33:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure take_over_console [2022-12-14 08:33:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_sisusb_valid [2022-12-14 08:33:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_sisusb_valid [2022-12-14 08:33:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:33:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegOR [2022-12-14 08:33:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegOR [2022-12-14 08:33:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2022-12-14 08:33:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2022-12-14 08:33:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-12-14 08:33:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_check_rbc [2022-12-14 08:33:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_check_rbc [2022-12-14 08:33:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:33:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 08:33:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 08:33:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 08:33:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_outurb_available [2022-12-14 08:33:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_outurb_available [2022-12-14 08:33:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_kill_all_busy [2022-12-14 08:33:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_kill_all_busy [2022-12-14 08:33:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 08:33:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 08:33:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-14 08:33:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-14 08:33:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getidxreg [2022-12-14 08:33:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getidxreg [2022-12-14 08:33:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-12-14 08:33:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-12-14 08:33:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-12-14 08:33:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-12-14 08:33:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_writeb [2022-12-14 08:33:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_writeb [2022-12-14 08:33:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 08:33:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 08:33:30,515 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 08:33:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_default_mode [2022-12-14 08:33:30,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_default_mode [2022-12-14 08:33:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_byte [2022-12-14 08:33:30,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_byte [2022-12-14 08:33:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 08:33:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_DisplayOn [2022-12-14 08:33:30,515 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_DisplayOn [2022-12-14 08:33:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregandor [2022-12-14 08:33:30,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregandor [2022-12-14 08:33:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_mem_bulk [2022-12-14 08:33:30,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_mem_bulk [2022-12-14 08:33:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-12-14 08:33:30,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-12-14 08:33:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbdummycon_init [2022-12-14 08:33:30,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbdummycon_init [2022-12-14 08:33:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-12-14 08:33:30,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-12-14 08:33:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:33:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetReg [2022-12-14 08:33:30,516 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetReg [2022-12-14 08:33:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_do_font_op [2022-12-14 08:33:30,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_do_font_op [2022-12-14 08:33:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_init_gfxdevice [2022-12-14 08:33:30,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_init_gfxdevice [2022-12-14 08:33:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegByte [2022-12-14 08:33:30,516 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegByte [2022-12-14 08:33:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_urbs [2022-12-14 08:33:30,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_urbs [2022-12-14 08:33:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 08:33:30,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 08:33:30,517 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bridge_packet [2022-12-14 08:33:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bridge_packet [2022-12-14 08:33:30,517 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-14 08:33:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-14 08:33:30,517 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-14 08:33:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-14 08:33:30,517 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_ioctl [2022-12-14 08:33:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_ioctl [2022-12-14 08:33:30,517 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_word [2022-12-14 08:33:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_word [2022-12-14 08:33:30,517 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb [2022-12-14 08:33:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb [2022-12-14 08:33:30,517 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 08:33:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 08:33:30,517 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_cursor [2022-12-14 08:33:30,518 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_cursor [2022-12-14 08:33:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_is_inactive [2022-12-14 08:33:30,518 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_is_inactive [2022-12-14 08:33:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-12-14 08:33:30,518 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-12-14 08:33:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_clear_vram [2022-12-14 08:33:30,518 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_clear_vram [2022-12-14 08:33:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_pci_config [2022-12-14 08:33:30,518 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_pci_config [2022-12-14 08:33:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:33:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 08:33:30,518 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 08:33:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bulk_msg [2022-12-14 08:33:30,518 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bulk_msg [2022-12-14 08:33:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-14 08:33:30,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-14 08:33:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 08:33:30,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 08:33:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_readb [2022-12-14 08:33:30,519 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_readb [2022-12-14 08:33:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregor [2022-12-14 08:33:30,519 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregor [2022-12-14 08:33:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:33:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-12-14 08:33:30,519 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-12-14 08:33:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 08:33:30,519 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 08:33:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:33:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_packet [2022-12-14 08:33:30,519 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_packet [2022-12-14 08:33:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_long [2022-12-14 08:33:30,519 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_long [2022-12-14 08:33:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_reset_text_mode [2022-12-14 08:33:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_reset_text_mode [2022-12-14 08:33:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSB_InitPtr [2022-12-14 08:33:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSB_InitPtr [2022-12-14 08:33:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:33:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_pci_config [2022-12-14 08:33:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_pci_config [2022-12-14 08:33:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 08:33:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxreg [2022-12-14 08:33:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxreg [2022-12-14 08:33:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegANDOR [2022-12-14 08:33:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegANDOR [2022-12-14 08:33:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 08:33:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 08:33:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_wait_all_out_complete [2022-12-14 08:33:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_wait_all_out_complete [2022-12-14 08:33:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 08:33:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 08:33:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegAND [2022-12-14 08:33:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegAND [2022-12-14 08:33:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregand [2022-12-14 08:33:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregand [2022-12-14 08:33:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-14 08:33:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-14 08:33:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetSegmentReg [2022-12-14 08:33:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetSegmentReg [2022-12-14 08:33:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_copy_memory [2022-12-14 08:33:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_copy_memory [2022-12-14 08:33:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setreg [2022-12-14 08:33:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setreg [2022-12-14 08:33:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2022-12-14 08:33:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2022-12-14 08:33:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_set_start_address [2022-12-14 08:33:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_set_start_address [2022-12-14 08:33:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-14 08:33:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-14 08:33:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 08:33:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 08:33:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_WriteDAC [2022-12-14 08:33:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_WriteDAC [2022-12-14 08:33:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_mem_bulk [2022-12-14 08:33:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_mem_bulk [2022-12-14 08:33:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getreg [2022-12-14 08:33:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getreg [2022-12-14 08:33:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSBSetMode [2022-12-14 08:33:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSBSetMode [2022-12-14 08:33:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2022-12-14 08:33:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2022-12-14 08:33:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_init [2022-12-14 08:33:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_init [2022-12-14 08:33:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-12-14 08:33:30,523 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-12-14 08:33:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:33:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_long [2022-12-14 08:33:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_long [2022-12-14 08:33:30,539 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetRegByte [2022-12-14 08:33:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetRegByte [2022-12-14 08:33:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 08:33:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 08:33:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_triggersr16 [2022-12-14 08:33:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_triggersr16 [2022-12-14 08:33:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-14 08:33:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-14 08:33:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:33:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:33:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_all_free [2022-12-14 08:33:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_all_free [2022-12-14 08:33:31,138 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:33:31,141 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:34:01,790 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:34:05,338 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:34:05,338 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 08:34:05,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:34:05 BoogieIcfgContainer [2022-12-14 08:34:05,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:34:05,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:34:05,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:34:05,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:34:05,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:33:26" (1/3) ... [2022-12-14 08:34:05,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e804dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:34:05, skipping insertion in model container [2022-12-14 08:34:05,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:33:29" (2/3) ... [2022-12-14 08:34:05,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e804dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:34:05, skipping insertion in model container [2022-12-14 08:34:05,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:34:05" (3/3) ... [2022-12-14 08:34:05,347 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-12-14 08:34:05,361 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:34:05,361 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 08:34:05,424 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:34:05,429 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@1a69cdb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:34:05,429 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 08:34:05,437 INFO L276 IsEmpty]: Start isEmpty. Operand has 2233 states, 1362 states have (on average 1.3193832599118942) internal successors, (1797), 1389 states have internal predecessors, (1797), 765 states have call successors, (765), 104 states have call predecessors, (765), 104 states have return successors, (765), 761 states have call predecessors, (765), 765 states have call successors, (765) [2022-12-14 08:34:05,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 08:34:05,442 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:34:05,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:34:05,443 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:34:05,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:34:05,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1154108147, now seen corresponding path program 1 times [2022-12-14 08:34:05,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:34:05,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855449854] [2022-12-14 08:34:05,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:05,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:34:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:06,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:34:06,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:34:06,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855449854] [2022-12-14 08:34:06,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855449854] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:34:06,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:34:06,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:34:06,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275039994] [2022-12-14 08:34:06,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:34:06,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:34:06,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:34:06,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:34:06,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:34:06,338 INFO L87 Difference]: Start difference. First operand has 2233 states, 1362 states have (on average 1.3193832599118942) internal successors, (1797), 1389 states have internal predecessors, (1797), 765 states have call successors, (765), 104 states have call predecessors, (765), 104 states have return successors, (765), 761 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 08:34:11,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:34:11,935 INFO L93 Difference]: Finished difference Result 4459 states and 6713 transitions. [2022-12-14 08:34:11,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:34:11,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2022-12-14 08:34:11,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:34:11,961 INFO L225 Difference]: With dead ends: 4459 [2022-12-14 08:34:11,961 INFO L226 Difference]: Without dead ends: 2229 [2022-12-14 08:34:11,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:34:11,977 INFO L413 NwaCegarLoop]: 2823 mSDtfsCounter, 0 mSDsluCounter, 2822 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5645 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 08:34:11,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5645 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 08:34:11,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2229 states. [2022-12-14 08:34:12,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2229 to 2229. [2022-12-14 08:34:12,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2229 states, 1361 states have (on average 1.3181484202792064) internal successors, (1794), 1386 states have internal predecessors, (1794), 765 states have call successors, (765), 104 states have call predecessors, (765), 102 states have return successors, (759), 755 states have call predecessors, (759), 759 states have call successors, (759) [2022-12-14 08:34:12,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 2229 states and 3318 transitions. [2022-12-14 08:34:12,114 INFO L78 Accepts]: Start accepts. Automaton has 2229 states and 3318 transitions. Word has length 14 [2022-12-14 08:34:12,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:34:12,115 INFO L495 AbstractCegarLoop]: Abstraction has 2229 states and 3318 transitions. [2022-12-14 08:34:12,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 08:34:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 3318 transitions. [2022-12-14 08:34:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 08:34:12,116 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:34:12,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:34:12,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:34:12,117 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:34:12,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:34:12,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1977277350, now seen corresponding path program 1 times [2022-12-14 08:34:12,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:34:12,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035656411] [2022-12-14 08:34:12,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:12,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:34:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:12,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:34:12,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:34:12,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035656411] [2022-12-14 08:34:12,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035656411] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:34:12,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439607691] [2022-12-14 08:34:12,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:12,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:34:12,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:34:12,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:34:12,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:34:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:14,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 8415 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:34:14,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:34:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 08:34:14,158 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:34:14,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439607691] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:34:14,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 08:34:14,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 08:34:14,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805293225] [2022-12-14 08:34:14,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:34:14,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:34:14,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:34:14,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:34:14,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:34:14,162 INFO L87 Difference]: Start difference. First operand 2229 states and 3318 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 08:34:17,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:34:17,465 INFO L93 Difference]: Finished difference Result 2231 states and 3319 transitions. [2022-12-14 08:34:17,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:34:17,465 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2022-12-14 08:34:17,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:34:17,477 INFO L225 Difference]: With dead ends: 2231 [2022-12-14 08:34:17,478 INFO L226 Difference]: Without dead ends: 2228 [2022-12-14 08:34:17,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:34:17,480 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 3303 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3303 SdHoareTripleChecker+Valid, 2818 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:34:17,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3303 Valid, 2818 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 08:34:17,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2022-12-14 08:34:17,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2228. [2022-12-14 08:34:17,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2228 states, 1361 states have (on average 1.3174136664217486) internal successors, (1793), 1385 states have internal predecessors, (1793), 764 states have call successors, (764), 104 states have call predecessors, (764), 102 states have return successors, (759), 755 states have call predecessors, (759), 759 states have call successors, (759) [2022-12-14 08:34:17,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 3316 transitions. [2022-12-14 08:34:17,558 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 3316 transitions. Word has length 15 [2022-12-14 08:34:17,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:34:17,558 INFO L495 AbstractCegarLoop]: Abstraction has 2228 states and 3316 transitions. [2022-12-14 08:34:17,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 08:34:17,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 3316 transitions. [2022-12-14 08:34:17,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 08:34:17,559 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:34:17,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:34:17,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:34:17,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:34:17,761 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:34:17,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:34:17,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1163604538, now seen corresponding path program 1 times [2022-12-14 08:34:17,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:34:17,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121393065] [2022-12-14 08:34:17,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:17,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:34:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:18,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:34:18,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:34:18,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121393065] [2022-12-14 08:34:18,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121393065] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:34:18,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077468166] [2022-12-14 08:34:18,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:18,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:34:18,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:34:18,375 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:34:18,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 08:34:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:19,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 8417 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:34:19,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:34:19,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 08:34:19,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:34:19,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077468166] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:34:19,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 08:34:19,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 08:34:19,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164483834] [2022-12-14 08:34:19,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:34:19,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:34:19,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:34:19,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:34:19,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:34:19,862 INFO L87 Difference]: Start difference. First operand 2228 states and 3316 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 08:34:26,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:34:26,547 INFO L93 Difference]: Finished difference Result 5921 states and 8823 transitions. [2022-12-14 08:34:26,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:34:26,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2022-12-14 08:34:26,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:34:26,568 INFO L225 Difference]: With dead ends: 5921 [2022-12-14 08:34:26,568 INFO L226 Difference]: Without dead ends: 3702 [2022-12-14 08:34:26,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:34:26,579 INFO L413 NwaCegarLoop]: 4344 mSDtfsCounter, 2369 mSDsluCounter, 2609 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2369 SdHoareTripleChecker+Valid, 6953 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-14 08:34:26,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2369 Valid, 6953 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1273 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-12-14 08:34:26,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3702 states. [2022-12-14 08:34:26,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3702 to 3699. [2022-12-14 08:34:26,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3699 states, 2263 states have (on average 1.309765797613787) internal successors, (2964), 2314 states have internal predecessors, (2964), 1254 states have call successors, (1254), 180 states have call predecessors, (1254), 181 states have return successors, (1261), 1230 states have call predecessors, (1261), 1236 states have call successors, (1261) [2022-12-14 08:34:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3699 states to 3699 states and 5479 transitions. [2022-12-14 08:34:26,729 INFO L78 Accepts]: Start accepts. Automaton has 3699 states and 5479 transitions. Word has length 16 [2022-12-14 08:34:26,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:34:26,729 INFO L495 AbstractCegarLoop]: Abstraction has 3699 states and 5479 transitions. [2022-12-14 08:34:26,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 08:34:26,730 INFO L276 IsEmpty]: Start isEmpty. Operand 3699 states and 5479 transitions. [2022-12-14 08:34:26,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 08:34:26,730 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:34:26,730 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:34:26,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 08:34:26,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:34:26,931 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:34:26,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:34:26,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1709556009, now seen corresponding path program 1 times [2022-12-14 08:34:26,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:34:26,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588536790] [2022-12-14 08:34:26,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:26,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:34:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:27,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:34:27,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:34:27,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588536790] [2022-12-14 08:34:27,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588536790] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:34:27,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549353390] [2022-12-14 08:34:27,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:27,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:34:27,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:34:27,457 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:34:27,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 08:34:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:28,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 8419 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:34:28,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:34:28,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 08:34:28,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:34:28,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549353390] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:34:28,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 08:34:28,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 08:34:28,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941596578] [2022-12-14 08:34:28,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:34:28,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:34:28,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:34:28,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:34:28,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:34:28,788 INFO L87 Difference]: Start difference. First operand 3699 states and 5479 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 08:34:32,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:34:32,072 INFO L93 Difference]: Finished difference Result 3701 states and 5480 transitions. [2022-12-14 08:34:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:34:32,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2022-12-14 08:34:32,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:34:32,091 INFO L225 Difference]: With dead ends: 3701 [2022-12-14 08:34:32,091 INFO L226 Difference]: Without dead ends: 3692 [2022-12-14 08:34:32,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:34:32,095 INFO L413 NwaCegarLoop]: 2816 mSDtfsCounter, 3299 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3299 SdHoareTripleChecker+Valid, 2817 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:34:32,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3299 Valid, 2817 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 08:34:32,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3692 states. [2022-12-14 08:34:32,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3692 to 3692. [2022-12-14 08:34:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3692 states, 2259 states have (on average 1.3072155821159805) internal successors, (2953), 2309 states have internal predecessors, (2953), 1251 states have call successors, (1251), 179 states have call predecessors, (1251), 181 states have return successors, (1260), 1229 states have call predecessors, (1260), 1235 states have call successors, (1260) [2022-12-14 08:34:32,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 5464 transitions. [2022-12-14 08:34:32,245 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 5464 transitions. Word has length 17 [2022-12-14 08:34:32,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:34:32,246 INFO L495 AbstractCegarLoop]: Abstraction has 3692 states and 5464 transitions. [2022-12-14 08:34:32,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 08:34:32,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 5464 transitions. [2022-12-14 08:34:32,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 08:34:32,247 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:34:32,247 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:34:32,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 08:34:32,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-12-14 08:34:32,448 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:34:32,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:34:32,448 INFO L85 PathProgramCache]: Analyzing trace with hash 498065803, now seen corresponding path program 1 times [2022-12-14 08:34:32,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:34:32,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863123713] [2022-12-14 08:34:32,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:32,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:34:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 08:34:33,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:34:33,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863123713] [2022-12-14 08:34:33,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863123713] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:34:33,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638595805] [2022-12-14 08:34:33,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:33,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:34:33,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:34:33,126 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:34:33,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 08:34:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:34,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 8597 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 08:34:34,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:34:34,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 08:34:34,687 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:34:34,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638595805] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:34:34,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 08:34:34,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 08:34:34,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206859603] [2022-12-14 08:34:34,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:34:34,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:34:34,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:34:34,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:34:34,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:34:34,689 INFO L87 Difference]: Start difference. First operand 3692 states and 5464 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 08:34:37,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:34:40,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:34:40,800 INFO L93 Difference]: Finished difference Result 7587 states and 11275 transitions. [2022-12-14 08:34:40,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:34:40,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2022-12-14 08:34:40,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:34:40,819 INFO L225 Difference]: With dead ends: 7587 [2022-12-14 08:34:40,819 INFO L226 Difference]: Without dead ends: 3904 [2022-12-14 08:34:40,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:34:40,836 INFO L413 NwaCegarLoop]: 2848 mSDtfsCounter, 137 mSDsluCounter, 2753 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 5601 SdHoareTripleChecker+Invalid, 1014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-12-14 08:34:40,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 5601 Invalid, 1014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-12-14 08:34:40,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3904 states. [2022-12-14 08:34:41,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3904 to 3880. [2022-12-14 08:34:41,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3880 states, 2385 states have (on average 1.3157232704402515) internal successors, (3138), 2442 states have internal predecessors, (3138), 1313 states have call successors, (1313), 179 states have call predecessors, (1313), 181 states have return successors, (1327), 1290 states have call predecessors, (1327), 1297 states have call successors, (1327) [2022-12-14 08:34:41,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3880 states and 5778 transitions. [2022-12-14 08:34:41,027 INFO L78 Accepts]: Start accepts. Automaton has 3880 states and 5778 transitions. Word has length 36 [2022-12-14 08:34:41,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:34:41,027 INFO L495 AbstractCegarLoop]: Abstraction has 3880 states and 5778 transitions. [2022-12-14 08:34:41,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 08:34:41,028 INFO L276 IsEmpty]: Start isEmpty. Operand 3880 states and 5778 transitions. [2022-12-14 08:34:41,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 08:34:41,029 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:34:41,029 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:34:41,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 08:34:41,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:34:41,231 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:34:41,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:34:41,232 INFO L85 PathProgramCache]: Analyzing trace with hash -382537646, now seen corresponding path program 1 times [2022-12-14 08:34:41,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:34:41,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33394432] [2022-12-14 08:34:41,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:41,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:34:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:41,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 08:34:41,787 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:34:41,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33394432] [2022-12-14 08:34:41,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33394432] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:34:41,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573201042] [2022-12-14 08:34:41,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:41,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:34:41,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:34:41,789 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:34:41,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2be93042-3caf-4d1d-b8f4-e12a5dce3437/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 08:34:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:43,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 8571 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:34:43,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:34:43,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:34:43,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:34:43,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 08:34:43,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573201042] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:34:43,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1433577510] [2022-12-14 08:34:43,286 INFO L159 IcfgInterpreter]: Started Sifa with 40 locations of interest [2022-12-14 08:34:43,286 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:34:43,289 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:34:43,294 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:34:43,295 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:36:18,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 551 treesize of output 443 [2022-12-14 08:36:29,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 551 treesize of output 443 [2022-12-14 08:41:58,717 WARN L233 SmtUtils]: Spent 15.55s on a formula simplification that was a NOOP. DAG size: 13783 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 08:42:14,130 WARN L233 SmtUtils]: Spent 15.37s on a formula simplification that was a NOOP. DAG size: 13783 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 08:42:32,312 WARN L233 SmtUtils]: Spent 18.09s on a formula simplification. DAG size of input: 13902 DAG size of output: 13783 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 08:42:47,927 WARN L233 SmtUtils]: Spent 15.50s on a formula simplification that was a NOOP. DAG size: 13783 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 08:43:06,407 WARN L233 SmtUtils]: Spent 18.44s on a formula simplification that was a NOOP. DAG size: 13783 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 08:43:22,888 WARN L233 SmtUtils]: Spent 16.43s on a formula simplification. DAG size of input: 13902 DAG size of output: 13783 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 08:43:38,492 WARN L233 SmtUtils]: Spent 15.50s on a formula simplification that was a NOOP. DAG size: 13783 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 08:43:54,030 WARN L233 SmtUtils]: Spent 15.50s on a formula simplification that was a NOOP. DAG size: 13783 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 08:44:10,514 WARN L233 SmtUtils]: Spent 16.44s on a formula simplification. DAG size of input: 13902 DAG size of output: 13783 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 08:44:26,127 WARN L233 SmtUtils]: Spent 15.52s on a formula simplification that was a NOOP. DAG size: 13783 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 08:44:41,617 WARN L233 SmtUtils]: Spent 15.45s on a formula simplification that was a NOOP. DAG size: 13783 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 08:44:58,061 WARN L233 SmtUtils]: Spent 16.40s on a formula simplification. DAG size of input: 13902 DAG size of output: 13783 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)