./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c1586642bef6980141a60942369684a3359f9fff4af003e79a9c46b72c273d5b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 13:25:39,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:25:39,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:25:39,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:25:39,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:25:39,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:25:39,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:25:39,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:25:39,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:25:39,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:25:39,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:25:39,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:25:39,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:25:39,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:25:39,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:25:39,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:25:39,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:25:39,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:25:39,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:25:39,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:25:39,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:25:39,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:25:39,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:25:39,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:25:39,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:25:39,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:25:39,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:25:39,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:25:39,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:25:39,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:25:39,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:25:39,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:25:39,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:25:39,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:25:39,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:25:39,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:25:39,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:25:39,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:25:39,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:25:39,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:25:39,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:25:39,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 13:25:39,261 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:25:39,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:25:39,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:25:39,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:25:39,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:25:39,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:25:39,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:25:39,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:25:39,263 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:25:39,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:25:39,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:25:39,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:25:39,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:25:39,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:25:39,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:25:39,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:25:39,264 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:25:39,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:25:39,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:25:39,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:25:39,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:25:39,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:25:39,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:25:39,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:25:39,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:25:39,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:25:39,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:25:39,265 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:25:39,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:25:39,265 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:25:39,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:25:39,266 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:25:39,266 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1586642bef6980141a60942369684a3359f9fff4af003e79a9c46b72c273d5b [2022-12-13 13:25:39,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:25:39,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:25:39,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:25:39,459 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:25:39,460 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:25:39,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i [2022-12-13 13:25:42,074 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:25:42,387 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:25:42,387 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i [2022-12-13 13:25:42,411 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/bin/uautomizer-uyxdKDjOR8/data/fdc1594ba/18cb78dd7cae409da81181c14cf849db/FLAG7c23b8372 [2022-12-13 13:25:42,422 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/bin/uautomizer-uyxdKDjOR8/data/fdc1594ba/18cb78dd7cae409da81181c14cf849db [2022-12-13 13:25:42,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:25:42,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:25:42,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:25:42,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:25:42,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:25:42,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:25:42" (1/1) ... [2022-12-13 13:25:42,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6381a3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:25:42, skipping insertion in model container [2022-12-13 13:25:42,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:25:42" (1/1) ... [2022-12-13 13:25:42,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:25:42,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:25:42,966 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 13:25:42,972 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 13:25:42,979 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 13:25:42,990 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-13 13:25:43,060 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 13:25:43,062 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 13:25:43,062 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 13:25:43,067 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 13:25:43,078 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_fixed_flag [2022-12-13 13:25:43,167 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,177 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,178 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,182 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,184 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,184 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,190 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,191 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,197 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,198 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,198 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,202 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,204 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,206 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,217 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 13:25:43,227 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,229 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,231 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,232 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,234 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,244 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,246 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,253 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,268 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,269 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,272 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,276 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,278 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,280 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,281 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,283 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:25:43,287 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:25:43,289 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:25:43,293 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:25:43,295 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:25:43,304 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,306 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-12-13 13:25:43,307 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,309 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,311 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,316 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,317 WARN L623 FunctionHandler]: Unknown extern function tty_port_tty_wakeup [2022-12-13 13:25:43,322 WARN L623 FunctionHandler]: Unknown extern function usb_clear_halt [2022-12-13 13:25:43,322 WARN L623 FunctionHandler]: Unknown extern function usb_clear_halt [2022-12-13 13:25:43,323 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,325 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,326 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,329 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,331 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,332 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,333 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,335 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,339 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:25:43,341 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,342 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,343 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,344 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,345 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,347 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,350 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,350 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:25:43,351 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,351 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,358 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,362 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:25:43,363 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,363 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,364 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:25:43,364 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:25:43,365 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,367 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,367 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:25:43,367 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,368 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,373 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,378 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,384 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,386 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,388 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,389 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:25:43,390 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,395 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,400 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,406 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,423 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,427 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,433 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,434 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,436 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,436 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:25:43,437 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,438 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,444 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,445 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,446 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,447 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,449 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,450 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,451 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,454 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,455 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,456 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,457 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,462 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,463 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,464 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,465 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,467 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,468 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,479 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,480 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,481 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,485 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,485 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,486 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,487 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,487 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,491 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,491 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,499 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,499 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:25:43,500 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,501 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,503 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,504 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,505 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,506 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,507 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,508 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,509 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,509 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,510 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,511 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,512 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,513 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,513 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,514 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,516 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,517 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,518 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,518 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,519 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,520 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,521 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,523 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,524 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,525 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,525 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,525 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,525 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,526 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,526 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,526 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,529 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:25:43,530 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,543 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,543 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:25:43,543 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,543 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,543 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,544 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,547 WARN L623 FunctionHandler]: Unknown extern function usb_serial_register_drivers [2022-12-13 13:25:43,550 WARN L623 FunctionHandler]: Unknown extern function usb_serial_deregister_drivers [2022-12-13 13:25:43,575 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 13:25:43,577 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_get_icount [2022-12-13 13:25:43,577 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_get_icount [2022-12-13 13:25:43,578 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_get_icount [2022-12-13 13:25:43,578 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_get_icount [2022-12-13 13:25:43,583 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_tiocmiwait [2022-12-13 13:25:43,583 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_tiocmiwait [2022-12-13 13:25:43,583 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_tiocmiwait [2022-12-13 13:25:43,584 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_tiocmiwait [2022-12-13 13:25:43,587 WARN L623 FunctionHandler]: Unknown extern function ldv_detach_3 [2022-12-13 13:25:43,587 WARN L623 FunctionHandler]: Unknown extern function ldv_detach_3 [2022-12-13 13:25:43,588 WARN L623 FunctionHandler]: Unknown extern function ldv_release_3 [2022-12-13 13:25:43,588 WARN L623 FunctionHandler]: Unknown extern function ldv_attach_3 [2022-12-13 13:25:43,588 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 13:25:43,590 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 13:25:43,591 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 13:25:43,593 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 13:25:43,594 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 13:25:43,597 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_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i[297800,297813] [2022-12-13 13:25:43,617 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 13:25:43,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:25:43,659 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:25:43,729 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 13:25:43,730 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 13:25:43,730 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 13:25:43,730 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-13 13:25:43,733 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 13:25:43,733 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 13:25:43,734 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 13:25:43,734 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 13:25:43,735 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_fixed_flag [2022-12-13 13:25:43,747 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,754 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,757 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,758 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,759 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,763 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,763 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,767 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,768 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,768 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,770 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,771 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,772 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,773 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 13:25:43,777 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,778 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,779 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,779 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,780 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,785 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,786 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,791 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,794 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,795 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,797 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,799 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,800 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,801 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,802 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,803 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:25:43,805 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:25:43,806 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:25:43,807 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:25:43,808 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:25:43,815 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,816 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-12-13 13:25:43,817 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,818 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,819 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,821 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,822 WARN L623 FunctionHandler]: Unknown extern function tty_port_tty_wakeup [2022-12-13 13:25:43,826 WARN L623 FunctionHandler]: Unknown extern function usb_clear_halt [2022-12-13 13:25:43,838 WARN L623 FunctionHandler]: Unknown extern function usb_clear_halt [2022-12-13 13:25:43,839 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,840 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,841 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,842 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,843 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,845 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,846 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,847 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,848 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,851 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:25:43,852 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,853 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,854 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,855 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,856 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,857 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,858 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,859 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:25:43,860 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,860 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,863 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,865 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:25:43,865 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,865 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,866 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:25:43,866 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:25:43,867 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,868 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,868 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:25:43,869 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,869 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,871 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,874 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,878 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,879 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,881 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,882 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:25:43,883 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,885 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,888 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,891 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,925 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,931 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,932 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,933 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,933 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:25:43,933 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,934 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,939 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,940 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,940 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,941 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,942 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,942 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,943 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,944 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,945 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,947 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,947 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,951 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,951 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,952 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,953 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,955 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,958 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,959 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,960 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,961 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,961 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,961 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,962 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,962 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,963 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,963 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,967 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,967 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:25:43,968 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,968 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,970 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,970 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,971 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,972 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,972 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,973 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,973 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,974 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,975 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,975 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,976 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,977 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,977 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,978 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,979 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,979 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,980 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,981 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,981 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,982 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,983 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,983 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,985 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,986 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:25:43,986 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 13:25:43,986 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,986 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,987 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,987 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,987 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,987 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,988 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:25:43,988 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,988 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,988 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:25:43,988 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:25:43,989 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,989 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,989 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:25:43,990 WARN L623 FunctionHandler]: Unknown extern function usb_serial_register_drivers [2022-12-13 13:25:43,990 WARN L623 FunctionHandler]: Unknown extern function usb_serial_deregister_drivers [2022-12-13 13:25:43,997 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 13:25:44,000 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_get_icount [2022-12-13 13:25:44,000 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_get_icount [2022-12-13 13:25:44,001 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_get_icount [2022-12-13 13:25:44,001 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_get_icount [2022-12-13 13:25:44,005 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_tiocmiwait [2022-12-13 13:25:44,005 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_tiocmiwait [2022-12-13 13:25:44,006 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_tiocmiwait [2022-12-13 13:25:44,006 WARN L623 FunctionHandler]: Unknown extern function usb_serial_generic_tiocmiwait [2022-12-13 13:25:44,008 WARN L623 FunctionHandler]: Unknown extern function ldv_detach_3 [2022-12-13 13:25:44,009 WARN L623 FunctionHandler]: Unknown extern function ldv_detach_3 [2022-12-13 13:25:44,009 WARN L623 FunctionHandler]: Unknown extern function ldv_release_3 [2022-12-13 13:25:44,009 WARN L623 FunctionHandler]: Unknown extern function ldv_attach_3 [2022-12-13 13:25:44,010 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 13:25:44,012 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 13:25:44,012 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 13:25:44,014 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 13:25:44,014 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 13:25:44,015 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_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i[297800,297813] [2022-12-13 13:25:44,017 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 13:25:44,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:25:44,068 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:25:44,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:25:44 WrapperNode [2022-12-13 13:25:44,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:25:44,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:25:44,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:25:44,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:25:44,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:25:44" (1/1) ... [2022-12-13 13:25:44,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:25:44" (1/1) ... [2022-12-13 13:25:44,285 INFO L138 Inliner]: procedures = 191, calls = 4706, calls flagged for inlining = 80, calls inlined = 67, statements flattened = 7774 [2022-12-13 13:25:44,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:25:44,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:25:44,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:25:44,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:25:44,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:25:44" (1/1) ... [2022-12-13 13:25:44,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:25:44" (1/1) ... [2022-12-13 13:25:44,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:25:44" (1/1) ... [2022-12-13 13:25:44,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:25:44" (1/1) ... [2022-12-13 13:25:44,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:25:44" (1/1) ... [2022-12-13 13:25:44,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:25:44" (1/1) ... [2022-12-13 13:25:44,508 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:25:44" (1/1) ... [2022-12-13 13:25:44,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:25:44" (1/1) ... [2022-12-13 13:25:44,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:25:44,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:25:44,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:25:44,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:25:44,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:25:44" (1/1) ... [2022-12-13 13:25:44,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:25:44,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:25:44,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:25:44,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba7bd1-551a-46df-8205-a6eaa6e42a64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:25:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_port_probe [2022-12-13 13:25:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_port_probe [2022-12-13 13:25:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 13:25:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_reg_sync [2022-12-13 13:25:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_reg_sync [2022-12-13 13:25:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-12-13 13:25:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-12-13 13:25:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_reg_sync [2022-12-13 13:25:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_reg_sync [2022-12-13 13:25:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 13:25:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 13:25:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 13:25:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 13:25:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:25:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 13:25:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 13:25:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_write [2022-12-13 13:25:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_write [2022-12-13 13:25:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-13 13:25:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-13 13:25:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_ioctl [2022-12-13 13:25:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_ioctl [2022-12-13 13:25:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2022-12-13 13:25:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2022-12-13 13:25:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-13 13:25:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-13 13:25:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2022-12-13 13:25:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2022-12-13 13:25:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 13:25:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 13:25:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 13:25:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 13:25:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_port_private [2022-12-13 13:25:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_port_private [2022-12-13 13:25:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-13 13:25:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-13 13:25:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 13:25:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 13:25:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-12-13 13:25:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-12-13 13:25:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_uart_reg [2022-12-13 13:25:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_uart_reg [2022-12-13 13:25:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2022-12-13 13:25:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2022-12-13 13:25:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 13:25:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 13:25:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-12-13 13:25:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-12-13 13:25:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_usb_serial [2022-12-13 13:25:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_usb_serial [2022-12-13 13:25:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2022-12-13 13:25:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2022-12-13 13:25:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:25:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_led_async [2022-12-13 13:25:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_led_async [2022-12-13 13:25:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-13 13:25:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-13 13:25:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-12-13 13:25:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-12-13 13:25:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 13:25:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 13:25:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_termios [2022-12-13 13:25:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_termios [2022-12-13 13:25:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 13:25:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 13:25:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_led_sync [2022-12-13 13:25:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_led_sync [2022-12-13 13:25:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_3 [2022-12-13 13:25:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_3 [2022-12-13 13:25:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 13:25:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 13:25:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 13:25:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 13:25:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 13:25:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 13:25:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_chars_in_buffer [2022-12-13 13:25:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_chars_in_buffer [2022-12-13 13:25:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 13:25:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-12-13 13:25:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-12-13 13:25:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_throttle [2022-12-13 13:25:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_throttle [2022-12-13 13:25:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 13:25:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 13:25:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:25:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-12-13 13:25:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-12-13 13:25:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-12-13 13:25:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-12-13 13:25:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:25:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 13:25:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-12-13 13:25:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-12-13 13:25:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit_lock [2022-12-13 13:25:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit_lock [2022-12-13 13:25:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_uart_reg [2022-12-13 13:25:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_uart_reg [2022-12-13 13:25:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 13:25:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-12-13 13:25:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-12-13 13:25:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-13 13:25:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-13 13:25:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-12-13 13:25:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-12-13 13:25:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-13 13:25:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-13 13:25:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_port_paranoia_check [2022-12-13 13:25:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_port_paranoia_check [2022-12-13 13:25:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_serial_paranoia_check [2022-12-13 13:25:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_serial_paranoia_check [2022-12-13 13:25:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 13:25:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 13:25:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_led_activity [2022-12-13 13:25:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_led_activity [2022-12-13 13:25:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_bulk_in_callback [2022-12-13 13:25:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_bulk_in_callback [2022-12-13 13:25:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_write_room [2022-12-13 13:25:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_write_room [2022-12-13 13:25:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:25:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 13:25:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_calc_num_ports [2022-12-13 13:25:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_calc_num_ports [2022-12-13 13:25:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_break [2022-12-13 13:25:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_break [2022-12-13 13:25:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_tiocmset [2022-12-13 13:25:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_tiocmset [2022-12-13 13:25:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_tiocmget [2022-12-13 13:25:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_tiocmget [2022-12-13 13:25:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-13 13:25:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-13 13:25:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_port_private [2022-12-13 13:25:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_port_private [2022-12-13 13:25:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_unthrottle [2022-12-13 13:25:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_unthrottle [2022-12-13 13:25:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 13:25:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 13:25:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:25:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2022-12-13 13:25:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2022-12-13 13:25:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2022-12-13 13:25:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2022-12-13 13:25:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_port_remove [2022-12-13 13:25:44,615 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_port_remove [2022-12-13 13:25:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 13:25:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:25:44,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:25:45,073 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:25:45,075 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:25:46,723 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 13:26:44,616 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:26:44,629 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:26:44,629 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:26:44,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:26:44 BoogieIcfgContainer [2022-12-13 13:26:44,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:26:44,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:26:44,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:26:44,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:26:44,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:25:42" (1/3) ... [2022-12-13 13:26:44,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123198b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:26:44, skipping insertion in model container [2022-12-13 13:26:44,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:25:44" (2/3) ... [2022-12-13 13:26:44,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123198b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:26:44, skipping insertion in model container [2022-12-13 13:26:44,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:26:44" (3/3) ... [2022-12-13 13:26:44,638 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i [2022-12-13 13:26:44,652 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:26:44,652 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:26:44,709 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:26:44,714 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=PETRI_NET, 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;@55aa5bf3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:26:44,714 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:26:44,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 1738 states, 1237 states have (on average 1.3936944219886822) internal successors, (1724), 1260 states have internal predecessors, (1724), 435 states have call successors, (435), 65 states have call predecessors, (435), 64 states have return successors, (430), 424 states have call predecessors, (430), 430 states have call successors, (430) [2022-12-13 13:26:44,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-13 13:26:44,731 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:26:44,732 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:26:44,732 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:26:44,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:26:44,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1908793726, now seen corresponding path program 1 times [2022-12-13 13:26:44,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:26:44,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391154895] [2022-12-13 13:26:44,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:26:44,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:26:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:26:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:26:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:26:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:26:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 13:26:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:26:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 13:26:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 13:26:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 13:26:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 13:26:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 13:26:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:45,617 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-12-13 13:26:45,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:26:45,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391154895] [2022-12-13 13:26:45,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391154895] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:26:45,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:26:45,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:26:45,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790568946] [2022-12-13 13:26:45,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:26:45,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:26:45,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:26:45,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:26:45,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:26:45,652 INFO L87 Difference]: Start difference. First operand has 1738 states, 1237 states have (on average 1.3936944219886822) internal successors, (1724), 1260 states have internal predecessors, (1724), 435 states have call successors, (435), 65 states have call predecessors, (435), 64 states have return successors, (430), 424 states have call predecessors, (430), 430 states have call successors, (430) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 13:26:52,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:26:52,456 INFO L93 Difference]: Finished difference Result 3656 states and 5628 transitions. [2022-12-13 13:26:52,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 13:26:52,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 161 [2022-12-13 13:26:52,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:26:52,482 INFO L225 Difference]: With dead ends: 3656 [2022-12-13 13:26:52,482 INFO L226 Difference]: Without dead ends: 1908 [2022-12-13 13:26:52,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:26:52,497 INFO L413 NwaCegarLoop]: 2257 mSDtfsCounter, 965 mSDsluCounter, 1393 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 1516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 3650 SdHoareTripleChecker+Invalid, 2685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1516 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-13 13:26:52,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 3650 Invalid, 2685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1516 Valid, 1169 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-12-13 13:26:52,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-12-13 13:26:52,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1723. [2022-12-13 13:26:52,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1723 states, 1229 states have (on average 1.385679414157852) internal successors, (1703), 1245 states have internal predecessors, (1703), 430 states have call successors, (430), 64 states have call predecessors, (430), 63 states have return successors, (429), 423 states have call predecessors, (429), 429 states have call successors, (429) [2022-12-13 13:26:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1723 states and 2562 transitions. [2022-12-13 13:26:52,644 INFO L78 Accepts]: Start accepts. Automaton has 1723 states and 2562 transitions. Word has length 161 [2022-12-13 13:26:52,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:26:52,645 INFO L495 AbstractCegarLoop]: Abstraction has 1723 states and 2562 transitions. [2022-12-13 13:26:52,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 13:26:52,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2562 transitions. [2022-12-13 13:26:52,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-13 13:26:52,649 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:26:52,650 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:26:52,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:26:52,650 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:26:52,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:26:52,651 INFO L85 PathProgramCache]: Analyzing trace with hash -46031242, now seen corresponding path program 1 times [2022-12-13 13:26:52,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:26:52,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639525727] [2022-12-13 13:26:52,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:26:52,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:26:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:26:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:26:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:26:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:26:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 13:26:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:26:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 13:26:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 13:26:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 13:26:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 13:26:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 13:26:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:53,235 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-12-13 13:26:53,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:26:53,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639525727] [2022-12-13 13:26:53,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639525727] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:26:53,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:26:53,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 13:26:53,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114820601] [2022-12-13 13:26:53,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:26:53,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:26:53,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:26:53,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:26:53,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:26:53,238 INFO L87 Difference]: Start difference. First operand 1723 states and 2562 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:27:04,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:27:04,624 INFO L93 Difference]: Finished difference Result 3745 states and 5633 transitions. [2022-12-13 13:27:04,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:27:04,625 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 161 [2022-12-13 13:27:04,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:27:04,637 INFO L225 Difference]: With dead ends: 3745 [2022-12-13 13:27:04,637 INFO L226 Difference]: Without dead ends: 2054 [2022-12-13 13:27:04,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:27:04,642 INFO L413 NwaCegarLoop]: 2254 mSDtfsCounter, 859 mSDsluCounter, 4305 mSDsCounter, 0 mSdLazyCounter, 2721 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 6559 SdHoareTripleChecker+Invalid, 3737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:27:04,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [904 Valid, 6559 Invalid, 3737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 2721 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-12-13 13:27:04,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2022-12-13 13:27:04,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 1859. [2022-12-13 13:27:04,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1331 states have (on average 1.3869271224643125) internal successors, (1846), 1356 states have internal predecessors, (1846), 449 states have call successors, (449), 79 states have call predecessors, (449), 78 states have return successors, (448), 436 states have call predecessors, (448), 448 states have call successors, (448) [2022-12-13 13:27:04,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2743 transitions. [2022-12-13 13:27:04,701 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2743 transitions. Word has length 161 [2022-12-13 13:27:04,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:27:04,702 INFO L495 AbstractCegarLoop]: Abstraction has 1859 states and 2743 transitions. [2022-12-13 13:27:04,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:27:04,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2743 transitions. [2022-12-13 13:27:04,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-12-13 13:27:04,703 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:27:04,704 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:27:04,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:27:04,704 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:27:04,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:27:04,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1323318798, now seen corresponding path program 1 times [2022-12-13 13:27:04,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:27:04,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612255156] [2022-12-13 13:27:04,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:27:04,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:27:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:27:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:27:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:27:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:27:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:27:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:27:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:27:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:27:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 13:27:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:27:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 13:27:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 13:27:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 13:27:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 13:27:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 13:27:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 13:27:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 13:27:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:05,534 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-12-13 13:27:05,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:27:05,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612255156] [2022-12-13 13:27:05,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612255156] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:27:05,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:27:05,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:27:05,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788856361] [2022-12-13 13:27:05,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:27:05,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 13:27:05,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:27:05,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 13:27:05,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:27:05,536 INFO L87 Difference]: Start difference. First operand 1859 states and 2743 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 13:27:31,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:27:31,667 INFO L93 Difference]: Finished difference Result 9805 states and 15053 transitions. [2022-12-13 13:27:31,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 13:27:31,667 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 170 [2022-12-13 13:27:31,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:27:31,696 INFO L225 Difference]: With dead ends: 9805 [2022-12-13 13:27:31,696 INFO L226 Difference]: Without dead ends: 7996 [2022-12-13 13:27:31,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2022-12-13 13:27:31,702 INFO L413 NwaCegarLoop]: 3402 mSDtfsCounter, 10194 mSDsluCounter, 10549 mSDsCounter, 0 mSdLazyCounter, 10018 mSolverCounterSat, 4261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11084 SdHoareTripleChecker+Valid, 13951 SdHoareTripleChecker+Invalid, 14279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4261 IncrementalHoareTripleChecker+Valid, 10018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2022-12-13 13:27:31,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11084 Valid, 13951 Invalid, 14279 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4261 Valid, 10018 Invalid, 0 Unknown, 0 Unchecked, 25.5s Time] [2022-12-13 13:27:31,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7996 states. [2022-12-13 13:27:31,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7996 to 7295. [2022-12-13 13:27:31,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7295 states, 5244 states have (on average 1.3897787948131197) internal successors, (7288), 5341 states have internal predecessors, (7288), 1745 states have call successors, (1745), 296 states have call predecessors, (1745), 305 states have return successors, (1903), 1705 states have call predecessors, (1903), 1744 states have call successors, (1903) [2022-12-13 13:27:31,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7295 states to 7295 states and 10936 transitions. [2022-12-13 13:27:31,987 INFO L78 Accepts]: Start accepts. Automaton has 7295 states and 10936 transitions. Word has length 170 [2022-12-13 13:27:31,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:27:31,988 INFO L495 AbstractCegarLoop]: Abstraction has 7295 states and 10936 transitions. [2022-12-13 13:27:31,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 13:27:31,988 INFO L276 IsEmpty]: Start isEmpty. Operand 7295 states and 10936 transitions. [2022-12-13 13:27:31,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-12-13 13:27:31,989 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:27:31,989 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:27:31,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:27:31,990 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:27:31,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:27:31,990 INFO L85 PathProgramCache]: Analyzing trace with hash 601285575, now seen corresponding path program 1 times [2022-12-13 13:27:31,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:27:31,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503337946] [2022-12-13 13:27:31,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:27:31,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:27:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:27:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:27:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:27:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:27:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:27:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:27:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:27:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:27:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 13:27:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:27:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 13:27:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 13:27:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 13:27:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 13:27:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 13:27:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 13:27:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-12-13 13:27:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:32,649 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-12-13 13:27:32,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:27:32,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503337946] [2022-12-13 13:27:32,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503337946] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:27:32,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:27:32,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:27:32,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421533406] [2022-12-13 13:27:32,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:27:32,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 13:27:32,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:27:32,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 13:27:32,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:27:32,651 INFO L87 Difference]: Start difference. First operand 7295 states and 10936 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 13:27:58,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:27:58,521 INFO L93 Difference]: Finished difference Result 38927 states and 60249 transitions. [2022-12-13 13:27:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 13:27:58,522 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2022-12-13 13:27:58,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:27:58,637 INFO L225 Difference]: With dead ends: 38927 [2022-12-13 13:27:58,638 INFO L226 Difference]: Without dead ends: 31682 [2022-12-13 13:27:58,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2022-12-13 13:27:58,666 INFO L413 NwaCegarLoop]: 3397 mSDtfsCounter, 12020 mSDsluCounter, 9128 mSDsCounter, 0 mSdLazyCounter, 8909 mSolverCounterSat, 5233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12908 SdHoareTripleChecker+Valid, 12525 SdHoareTripleChecker+Invalid, 14142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5233 IncrementalHoareTripleChecker+Valid, 8909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2022-12-13 13:27:58,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12908 Valid, 12525 Invalid, 14142 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5233 Valid, 8909 Invalid, 0 Unknown, 0 Unchecked, 24.9s Time] [2022-12-13 13:27:58,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31682 states. [2022-12-13 13:27:59,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31682 to 29100. [2022-12-13 13:27:59,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29100 states, 20952 states have (on average 1.3889843451699122) internal successors, (29102), 21328 states have internal predecessors, (29102), 6920 states have call successors, (6920), 1166 states have call predecessors, (6920), 1227 states have return successors, (8109), 6787 states have call predecessors, (8109), 6919 states have call successors, (8109) [2022-12-13 13:27:59,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29100 states to 29100 states and 44131 transitions. [2022-12-13 13:27:59,859 INFO L78 Accepts]: Start accepts. Automaton has 29100 states and 44131 transitions. Word has length 171 [2022-12-13 13:27:59,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:27:59,860 INFO L495 AbstractCegarLoop]: Abstraction has 29100 states and 44131 transitions. [2022-12-13 13:27:59,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 13:27:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 29100 states and 44131 transitions. [2022-12-13 13:27:59,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 13:27:59,861 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:27:59,861 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:27:59,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 13:27:59,862 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:27:59,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:27:59,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1789126554, now seen corresponding path program 1 times [2022-12-13 13:27:59,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:27:59,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219607761] [2022-12-13 13:27:59,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:27:59,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:28:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:28:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:28:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:28:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:28:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:28:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:28:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:28:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:28:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 13:28:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:28:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 13:28:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 13:28:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 13:28:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 13:28:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 13:28:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 13:28:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 13:28:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:00,494 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-12-13 13:28:00,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:28:00,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219607761] [2022-12-13 13:28:00,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219607761] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:28:00,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:28:00,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:28:00,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881527648] [2022-12-13 13:28:00,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:28:00,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 13:28:00,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:28:00,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 13:28:00,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:28:00,496 INFO L87 Difference]: Start difference. First operand 29100 states and 44131 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 13:28:22,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:28:22,287 INFO L93 Difference]: Finished difference Result 155400 states and 242170 transitions. [2022-12-13 13:28:22,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 13:28:22,288 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 172 [2022-12-13 13:28:22,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:28:22,805 INFO L225 Difference]: With dead ends: 155400 [2022-12-13 13:28:22,805 INFO L226 Difference]: Without dead ends: 126350 [2022-12-13 13:28:22,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2022-12-13 13:28:22,928 INFO L413 NwaCegarLoop]: 3402 mSDtfsCounter, 9201 mSDsluCounter, 11843 mSDsCounter, 0 mSdLazyCounter, 7747 mSolverCounterSat, 3919 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10087 SdHoareTripleChecker+Valid, 15245 SdHoareTripleChecker+Invalid, 11666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3919 IncrementalHoareTripleChecker+Valid, 7747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-12-13 13:28:22,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10087 Valid, 15245 Invalid, 11666 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3919 Valid, 7747 Invalid, 0 Unknown, 0 Unchecked, 18.7s Time] [2022-12-13 13:28:23,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126350 states. [2022-12-13 13:28:26,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126350 to 116492. [2022-12-13 13:28:26,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116492 states, 83964 states have (on average 1.3874994045066933) internal successors, (116500), 85412 states have internal predecessors, (116500), 27566 states have call successors, (27566), 4646 states have call predecessors, (27566), 4961 states have return successors, (34239), 27139 states have call predecessors, (34239), 27565 states have call successors, (34239) [2022-12-13 13:28:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116492 states to 116492 states and 178305 transitions. [2022-12-13 13:28:27,424 INFO L78 Accepts]: Start accepts. Automaton has 116492 states and 178305 transitions. Word has length 172 [2022-12-13 13:28:27,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:28:27,424 INFO L495 AbstractCegarLoop]: Abstraction has 116492 states and 178305 transitions. [2022-12-13 13:28:27,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 13:28:27,424 INFO L276 IsEmpty]: Start isEmpty. Operand 116492 states and 178305 transitions. [2022-12-13 13:28:27,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-13 13:28:27,426 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:28:27,426 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:28:27,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 13:28:27,426 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:28:27,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:28:27,427 INFO L85 PathProgramCache]: Analyzing trace with hash -64709921, now seen corresponding path program 1 times [2022-12-13 13:28:27,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:28:27,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922937515] [2022-12-13 13:28:27,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:28:27,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:28:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:27,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:28:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:27,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:27,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:28:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:28:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:28:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:28:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:28:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:28:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:28:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 13:28:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:28:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 13:28:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 13:28:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 13:28:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 13:28:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 13:28:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:28:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 13:28:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 13:28:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-12-13 13:28:28,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:28:28,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922937515] [2022-12-13 13:28:28,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922937515] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:28:28,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:28:28,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:28:28,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803964033] [2022-12-13 13:28:28,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:28:28,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 13:28:28,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:28:28,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 13:28:28,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:28:28,120 INFO L87 Difference]: Start difference. First operand 116492 states and 178305 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 13:29:06,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:29:06,379 INFO L93 Difference]: Finished difference Result 616250 states and 967164 transitions. [2022-12-13 13:29:06,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 13:29:06,380 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 173 [2022-12-13 13:29:06,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:29:08,540 INFO L225 Difference]: With dead ends: 616250 [2022-12-13 13:29:08,540 INFO L226 Difference]: Without dead ends: 499808 [2022-12-13 13:29:09,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2022-12-13 13:29:09,040 INFO L413 NwaCegarLoop]: 3426 mSDtfsCounter, 10282 mSDsluCounter, 11299 mSDsCounter, 0 mSdLazyCounter, 9443 mSolverCounterSat, 3750 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11168 SdHoareTripleChecker+Valid, 14725 SdHoareTripleChecker+Invalid, 13193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3750 IncrementalHoareTripleChecker+Valid, 9443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:29:09,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11168 Valid, 14725 Invalid, 13193 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3750 Valid, 9443 Invalid, 0 Unknown, 0 Unchecked, 26.1s Time] [2022-12-13 13:29:09,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499808 states. [2022-12-13 13:29:25,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499808 to 461978. [2022-12-13 13:29:25,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461978 states, 333563 states have (on average 1.3871082823934309) internal successors, (462688), 339102 states have internal predecessors, (462688), 108971 states have call successors, (108971), 17783 states have call predecessors, (108971), 19443 states have return successors, (141717), 107837 states have call predecessors, (141717), 108970 states have call successors, (141717) [2022-12-13 13:29:28,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461978 states to 461978 states and 713376 transitions. [2022-12-13 13:29:28,798 INFO L78 Accepts]: Start accepts. Automaton has 461978 states and 713376 transitions. Word has length 173 [2022-12-13 13:29:28,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:29:28,799 INFO L495 AbstractCegarLoop]: Abstraction has 461978 states and 713376 transitions. [2022-12-13 13:29:28,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 13:29:28,799 INFO L276 IsEmpty]: Start isEmpty. Operand 461978 states and 713376 transitions. [2022-12-13 13:29:28,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-12-13 13:29:28,801 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:29:28,802 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:28,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 13:29:28,802 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:29:28,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:28,803 INFO L85 PathProgramCache]: Analyzing trace with hash -777508311, now seen corresponding path program 1 times [2022-12-13 13:29:28,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:28,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511426986] [2022-12-13 13:29:28,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:28,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:29:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:29:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:29:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:29:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:29:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:29:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:29:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:29:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 13:29:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:29:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 13:29:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 13:29:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 13:29:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 13:29:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 13:29:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 13:29:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:29:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 13:29:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:29:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 13:29:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:29:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-12-13 13:29:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:29:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,414 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2022-12-13 13:29:29,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:29,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511426986] [2022-12-13 13:29:29,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511426986] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:29,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:29,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 13:29:29,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251333855] [2022-12-13 13:29:29,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:29,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:29:29,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:29,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:29:29,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:29:29,417 INFO L87 Difference]: Start difference. First operand 461978 states and 713376 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 13:29:51,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:29:51,755 INFO L93 Difference]: Finished difference Result 500552 states and 785972 transitions. [2022-12-13 13:29:51,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:29:51,756 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 237 [2022-12-13 13:29:51,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:29:51,786 INFO L225 Difference]: With dead ends: 500552 [2022-12-13 13:29:51,786 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 13:29:53,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:29:53,225 INFO L413 NwaCegarLoop]: 2243 mSDtfsCounter, 3122 mSDsluCounter, 2410 mSDsCounter, 0 mSdLazyCounter, 1916 mSolverCounterSat, 1215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3401 SdHoareTripleChecker+Valid, 4653 SdHoareTripleChecker+Invalid, 3131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1215 IncrementalHoareTripleChecker+Valid, 1916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:29:53,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3401 Valid, 4653 Invalid, 3131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1215 Valid, 1916 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2022-12-13 13:29:53,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 13:29:53,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 13:29:53,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:53,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 13:29:53,264 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 237 [2022-12-13 13:29:53,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:29:53,264 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 13:29:53,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 13:29:53,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 13:29:53,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 13:29:53,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 13:29:53,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 13:29:53,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 13:35:42,693 WARN L233 SmtUtils]: Spent 25.38s on a formula simplification. DAG size of input: 1411 DAG size of output: 1 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 13:36:16,386 WARN L233 SmtUtils]: Spent 26.98s on a formula simplification. DAG size of input: 1431 DAG size of output: 46 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 13:36:31,454 WARN L233 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 1100 DAG size of output: 49 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 13:36:50,632 WARN L233 SmtUtils]: Spent 17.45s on a formula simplification. DAG size of input: 1697 DAG size of output: 49 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 13:37:11,812 WARN L233 SmtUtils]: Spent 13.86s on a formula simplification. DAG size of input: 1682 DAG size of output: 1 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 13:37:32,699 WARN L233 SmtUtils]: Spent 14.17s on a formula simplification. DAG size of input: 1700 DAG size of output: 1 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 13:38:01,858 WARN L233 SmtUtils]: Spent 17.72s on a formula simplification. DAG size of input: 1697 DAG size of output: 49 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 13:38:19,943 WARN L233 SmtUtils]: Spent 16.21s on a formula simplification. DAG size of input: 1685 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 13:38:44,339 WARN L233 SmtUtils]: Spent 24.13s on a formula simplification. DAG size of input: 1411 DAG size of output: 1 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 13:39:05,847 WARN L233 SmtUtils]: Spent 16.81s on a formula simplification. DAG size of input: 1685 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 13:39:20,691 WARN L233 SmtUtils]: Spent 14.77s on a formula simplification. DAG size of input: 1682 DAG size of output: 1 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter)