./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-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R --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 e6823a3e354b35bf05bec5e81d72dc7306859bf56793457624e681693cebdf0b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:36:07,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:36:07,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:36:08,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:36:08,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:36:08,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:36:08,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:36:08,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:36:08,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:36:08,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:36:08,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:36:08,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:36:08,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:36:08,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:36:08,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:36:08,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:36:08,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:36:08,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:36:08,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:36:08,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:36:08,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:36:08,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:36:08,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:36:08,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:36:08,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:36:08,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:36:08,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:36:08,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:36:08,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:36:08,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:36:08,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:36:08,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:36:08,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:36:08,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:36:08,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:36:08,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:36:08,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:36:08,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:36:08,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:36:08,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:36:08,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:36:08,060 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 18:36:08,087 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:36:08,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:36:08,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:36:08,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:36:08,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:36:08,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:36:08,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:36:08,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:36:08,091 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:36:08,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:36:08,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:36:08,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:36:08,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:36:08,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:36:08,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:36:08,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:36:08,094 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:36:08,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:36:08,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:36:08,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:36:08,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:36:08,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:36:08,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:36:08,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:36:08,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:36:08,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:36:08,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:36:08,097 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:36:08,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:36:08,097 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:36:08,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:36:08,098 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_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6823a3e354b35bf05bec5e81d72dc7306859bf56793457624e681693cebdf0b [2022-11-25 18:36:08,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:36:08,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:36:08,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:36:08,531 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:36:08,532 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:36:08,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2022-11-25 18:36:12,444 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:36:13,182 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:36:13,183 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2022-11-25 18:36:13,252 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/data/413005695/5830244c99ae4dc180b12d44ed11a854/FLAGb5188be3c [2022-11-25 18:36:13,278 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/data/413005695/5830244c99ae4dc180b12d44ed11a854 [2022-11-25 18:36:13,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:36:13,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:36:13,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:36:13,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:36:13,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:36:13,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:36:13" (1/1) ... [2022-11-25 18:36:13,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41322d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:13, skipping insertion in model container [2022-11-25 18:36:13,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:36:13" (1/1) ... [2022-11-25 18:36:13,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:36:13,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:36:14,359 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 18:36:14,441 WARN L623 FunctionHandler]: Unknown extern function ktime_get_with_offset [2022-11-25 18:36:14,498 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:36:14,608 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 18:36:14,611 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 18:36:14,613 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 18:36:14,634 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 18:36:14,677 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 18:36:14,765 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-11-25 18:36:14,804 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:14,805 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:14,885 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 18:36:14,889 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 18:36:14,889 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 18:36:14,897 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 18:36:14,910 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 18:36:14,934 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:14,935 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 18:36:15,014 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock [2022-11-25 18:36:15,019 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock [2022-11-25 18:36:15,024 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock [2022-11-25 18:36:15,035 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:15,047 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:15,048 WARN L623 FunctionHandler]: Unknown extern function atm_alloc_charge [2022-11-25 18:36:15,049 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:15,050 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:15,051 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:15,052 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:15,059 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:36:15,060 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:36:15,068 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:36:15,084 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock [2022-11-25 18:36:15,085 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock [2022-11-25 18:36:15,086 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 18:36:15,086 WARN L623 FunctionHandler]: Unknown extern function atm_alloc_charge [2022-11-25 18:36:15,088 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:15,090 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:15,124 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:36:15,136 WARN L623 FunctionHandler]: Unknown extern function atm_dev_lookup [2022-11-25 18:36:15,139 WARN L623 FunctionHandler]: Unknown extern function vcc_insert_socket [2022-11-25 18:36:15,140 WARN L623 FunctionHandler]: Unknown extern function atm_init_aal5 [2022-11-25 18:36:15,155 WARN L623 FunctionHandler]: Unknown extern function atm_dev_lookup [2022-11-25 18:36:15,159 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:36:15,171 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 18:36:15,185 WARN L623 FunctionHandler]: Unknown extern function register_atm_ioctl [2022-11-25 18:36:15,190 WARN L623 FunctionHandler]: Unknown extern function deregister_atm_ioctl [2022-11-25 18:36:15,210 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:36:15,230 WARN L623 FunctionHandler]: Unknown extern function ldv_open_2 [2022-11-25 18:36:15,235 WARN L623 FunctionHandler]: Unknown extern function atm_dev_deregister [2022-11-25 18:36:15,236 WARN L623 FunctionHandler]: Unknown extern function atm_dev_register [2022-11-25 18:36:15,237 WARN L623 FunctionHandler]: Unknown extern function atm_dev_deregister [2022-11-25 18:36:15,244 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_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i[225078,225091] [2022-11-25 18:36:15,290 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:36:15,291 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:36:15,293 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:36:15,294 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:36:15,294 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:36:15,300 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-25 18:36:15,305 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:36:15,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:36:15,388 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:36:15,559 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 18:36:15,561 WARN L623 FunctionHandler]: Unknown extern function ktime_get_with_offset [2022-11-25 18:36:15,562 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:36:15,569 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 18:36:15,570 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 18:36:15,571 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 18:36:15,571 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 18:36:15,578 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 18:36:15,617 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-11-25 18:36:15,622 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:15,626 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:15,636 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 18:36:15,646 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 18:36:15,646 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 18:36:15,649 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 18:36:15,650 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 18:36:15,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:15,661 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 18:36:15,687 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock [2022-11-25 18:36:15,693 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock [2022-11-25 18:36:15,699 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock [2022-11-25 18:36:15,709 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:15,789 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:15,791 WARN L623 FunctionHandler]: Unknown extern function atm_alloc_charge [2022-11-25 18:36:15,803 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:15,803 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:15,805 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:15,814 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:15,823 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:36:15,824 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:36:15,826 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:36:15,832 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock [2022-11-25 18:36:15,833 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock [2022-11-25 18:36:15,834 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 18:36:15,835 WARN L623 FunctionHandler]: Unknown extern function atm_alloc_charge [2022-11-25 18:36:15,835 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:15,851 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:15,860 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:36:15,862 WARN L623 FunctionHandler]: Unknown extern function atm_dev_lookup [2022-11-25 18:36:15,867 WARN L623 FunctionHandler]: Unknown extern function vcc_insert_socket [2022-11-25 18:36:15,868 WARN L623 FunctionHandler]: Unknown extern function atm_init_aal5 [2022-11-25 18:36:15,870 WARN L623 FunctionHandler]: Unknown extern function atm_dev_lookup [2022-11-25 18:36:15,872 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:36:15,873 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 18:36:15,876 WARN L623 FunctionHandler]: Unknown extern function register_atm_ioctl [2022-11-25 18:36:15,877 WARN L623 FunctionHandler]: Unknown extern function deregister_atm_ioctl [2022-11-25 18:36:15,880 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:36:15,885 WARN L623 FunctionHandler]: Unknown extern function ldv_open_2 [2022-11-25 18:36:15,887 WARN L623 FunctionHandler]: Unknown extern function atm_dev_deregister [2022-11-25 18:36:15,888 WARN L623 FunctionHandler]: Unknown extern function atm_dev_register [2022-11-25 18:36:15,889 WARN L623 FunctionHandler]: Unknown extern function atm_dev_deregister [2022-11-25 18:36:15,890 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_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i[225078,225091] [2022-11-25 18:36:15,894 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:36:15,895 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:36:15,897 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:36:15,898 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:36:15,899 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:36:15,900 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-25 18:36:15,902 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:36:15,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:36:15,966 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:36:15,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:15 WrapperNode [2022-11-25 18:36:15,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:36:15,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:36:15,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:36:15,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:36:15,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:15" (1/1) ... [2022-11-25 18:36:16,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:15" (1/1) ... [2022-11-25 18:36:16,257 INFO L138 Inliner]: procedures = 141, calls = 1103, calls flagged for inlining = 57, calls inlined = 55, statements flattened = 2428 [2022-11-25 18:36:16,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:36:16,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:36:16,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:36:16,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:36:16,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:15" (1/1) ... [2022-11-25 18:36:16,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:15" (1/1) ... [2022-11-25 18:36:16,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:15" (1/1) ... [2022-11-25 18:36:16,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:15" (1/1) ... [2022-11-25 18:36:16,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:15" (1/1) ... [2022-11-25 18:36:16,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:15" (1/1) ... [2022-11-25 18:36:16,449 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:15" (1/1) ... [2022-11-25 18:36:16,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:15" (1/1) ... [2022-11-25 18:36:16,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:36:16,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:36:16,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:36:16,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:36:16,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:15" (1/1) ... [2022-11-25 18:36:16,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:36:16,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:36:16,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:36:16,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:36:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure atm_sk [2022-11-25 18:36:16,606 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_sk [2022-11-25 18:36:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-11-25 18:36:16,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-11-25 18:36:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 18:36:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure change_bit [2022-11-25 18:36:16,611 INFO L138 BoogieDeclarations]: Found implementation of procedure change_bit [2022-11-25 18:36:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure atm_alloc_charge [2022-11-25 18:36:16,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_alloc_charge [2022-11-25 18:36:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-25 18:36:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 18:36:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 18:36:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 18:36:16,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 18:36:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:36:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 18:36:16,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 18:36:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-25 18:36:16,622 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-25 18:36:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 18:36:16,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 18:36:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 18:36:16,623 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 18:36:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 18:36:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 18:36:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2022-11-25 18:36:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2022-11-25 18:36:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-25 18:36:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-25 18:36:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_ioctl [2022-11-25 18:36:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_ioctl [2022-11-25 18:36:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 18:36:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 18:36:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:36:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 18:36:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 18:36:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 18:36:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 18:36:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 18:36:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 18:36:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 18:36:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 18:36:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_dev_close [2022-11-25 18:36:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_dev_close [2022-11-25 18:36:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-25 18:36:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-25 18:36:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 18:36:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 18:36:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:36:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-25 18:36:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-25 18:36:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2022-11-25 18:36:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2022-11-25 18:36:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:36:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-25 18:36:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-25 18:36:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_c_send [2022-11-25 18:36:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_c_send [2022-11-25 18:36:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 18:36:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 18:36:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:36:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:36:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 18:36:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:36:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 18:36:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_create [2022-11-25 18:36:16,634 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_create [2022-11-25 18:36:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_c_close [2022-11-25 18:36:16,635 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_c_close [2022-11-25 18:36:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_deregister [2022-11-25 18:36:16,635 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_deregister [2022-11-25 18:36:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:36:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 18:36:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_close [2022-11-25 18:36:16,637 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_close [2022-11-25 18:36:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 18:36:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 18:36:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_put [2022-11-25 18:36:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_put [2022-11-25 18:36:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-25 18:36:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-25 18:36:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_lookup [2022-11-25 18:36:16,640 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_lookup [2022-11-25 18:36:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 18:36:16,640 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 18:36:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:36:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_send [2022-11-25 18:36:16,641 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_send [2022-11-25 18:36:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 18:36:16,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 18:36:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_send_control [2022-11-25 18:36:16,641 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_send_control [2022-11-25 18:36:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 18:36:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2022-11-25 18:36:16,642 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2022-11-25 18:36:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:36:16,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:36:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2022-11-25 18:36:16,642 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2022-11-25 18:36:17,492 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:36:17,495 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:36:21,883 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 18:36:33,305 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:36:33,332 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:36:33,335 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:36:33,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:36:33 BoogieIcfgContainer [2022-11-25 18:36:33,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:36:33,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:36:33,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:36:33,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:36:33,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:36:13" (1/3) ... [2022-11-25 18:36:33,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fbbc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:36:33, skipping insertion in model container [2022-11-25 18:36:33,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:15" (2/3) ... [2022-11-25 18:36:33,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fbbc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:36:33, skipping insertion in model container [2022-11-25 18:36:33,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:36:33" (3/3) ... [2022-11-25 18:36:33,354 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2022-11-25 18:36:33,382 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:36:33,382 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:36:33,504 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:36:33,513 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;@7f991c46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:36:33,514 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:36:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 625 states, 447 states have (on average 1.342281879194631) internal successors, (600), 464 states have internal predecessors, (600), 137 states have call successors, (137), 40 states have call predecessors, (137), 39 states have return successors, (132), 129 states have call predecessors, (132), 132 states have call successors, (132) [2022-11-25 18:36:33,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-25 18:36:33,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:36:33,550 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:36:33,551 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:36:33,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:36:33,557 INFO L85 PathProgramCache]: Analyzing trace with hash 653302310, now seen corresponding path program 1 times [2022-11-25 18:36:33,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:36:33,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047672161] [2022-11-25 18:36:33,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:36:33,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:36:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:36:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:36:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:36:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:36:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:36:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:36:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:36:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 18:36:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-25 18:36:34,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:36:34,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047672161] [2022-11-25 18:36:34,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047672161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:36:34,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:36:34,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:36:34,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826564048] [2022-11-25 18:36:34,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:36:34,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:36:34,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:36:34,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:36:34,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:36:34,935 INFO L87 Difference]: Start difference. First operand has 625 states, 447 states have (on average 1.342281879194631) internal successors, (600), 464 states have internal predecessors, (600), 137 states have call successors, (137), 40 states have call predecessors, (137), 39 states have return successors, (132), 129 states have call predecessors, (132), 132 states have call successors, (132) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-25 18:36:37,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:36:42,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:36:45,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:36:47,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:36:49,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:36:50,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:36:50,698 INFO L93 Difference]: Finished difference Result 2052 states and 2981 transitions. [2022-11-25 18:36:50,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:36:50,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 133 [2022-11-25 18:36:50,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:36:50,755 INFO L225 Difference]: With dead ends: 2052 [2022-11-25 18:36:50,756 INFO L226 Difference]: Without dead ends: 1412 [2022-11-25 18:36:50,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:36:50,775 INFO L413 NwaCegarLoop]: 839 mSDtfsCounter, 2116 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 1148 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2214 SdHoareTripleChecker+Valid, 1967 SdHoareTripleChecker+Invalid, 2048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1148 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:36:50,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2214 Valid, 1967 Invalid, 2048 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1148 Valid, 895 Invalid, 5 Unknown, 0 Unchecked, 15.2s Time] [2022-11-25 18:36:50,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2022-11-25 18:36:51,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1180. [2022-11-25 18:36:51,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1180 states, 854 states have (on average 1.3302107728337236) internal successors, (1136), 873 states have internal predecessors, (1136), 250 states have call successors, (250), 75 states have call predecessors, (250), 75 states have return successors, (252), 243 states have call predecessors, (252), 248 states have call successors, (252) [2022-11-25 18:36:51,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1638 transitions. [2022-11-25 18:36:51,096 INFO L78 Accepts]: Start accepts. Automaton has 1180 states and 1638 transitions. Word has length 133 [2022-11-25 18:36:51,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:36:51,100 INFO L495 AbstractCegarLoop]: Abstraction has 1180 states and 1638 transitions. [2022-11-25 18:36:51,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-25 18:36:51,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1638 transitions. [2022-11-25 18:36:51,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-25 18:36:51,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:36:51,110 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:36:51,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:36:51,111 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:36:51,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:36:51,112 INFO L85 PathProgramCache]: Analyzing trace with hash -388531533, now seen corresponding path program 1 times [2022-11-25 18:36:51,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:36:51,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283036374] [2022-11-25 18:36:51,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:36:51,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:36:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:36:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:36:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:36:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:36:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:36:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:36:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:36:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 18:36:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-25 18:36:51,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:36:51,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283036374] [2022-11-25 18:36:51,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283036374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:36:51,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:36:51,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:36:51,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074375555] [2022-11-25 18:36:51,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:36:51,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:36:51,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:36:51,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:36:51,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:36:51,952 INFO L87 Difference]: Start difference. First operand 1180 states and 1638 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-25 18:36:54,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:36:59,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:02,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:04,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:05,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:37:05,234 INFO L93 Difference]: Finished difference Result 2609 states and 3655 transitions. [2022-11-25 18:37:05,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:37:05,235 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 136 [2022-11-25 18:37:05,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:37:05,249 INFO L225 Difference]: With dead ends: 2609 [2022-11-25 18:37:05,249 INFO L226 Difference]: Without dead ends: 1453 [2022-11-25 18:37:05,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:37:05,263 INFO L413 NwaCegarLoop]: 924 mSDtfsCounter, 1691 mSDsluCounter, 1316 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 729 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1775 SdHoareTripleChecker+Valid, 2240 SdHoareTripleChecker+Invalid, 1587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 729 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:37:05,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1775 Valid, 2240 Invalid, 1587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [729 Valid, 854 Invalid, 4 Unknown, 0 Unchecked, 12.9s Time] [2022-11-25 18:37:05,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2022-11-25 18:37:05,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1206. [2022-11-25 18:37:05,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1206 states, 874 states have (on average 1.3272311212814645) internal successors, (1160), 893 states have internal predecessors, (1160), 251 states have call successors, (251), 80 states have call predecessors, (251), 80 states have return successors, (253), 244 states have call predecessors, (253), 249 states have call successors, (253) [2022-11-25 18:37:05,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1664 transitions. [2022-11-25 18:37:05,366 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1664 transitions. Word has length 136 [2022-11-25 18:37:05,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:37:05,367 INFO L495 AbstractCegarLoop]: Abstraction has 1206 states and 1664 transitions. [2022-11-25 18:37:05,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-25 18:37:05,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1664 transitions. [2022-11-25 18:37:05,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-25 18:37:05,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:05,374 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:37:05,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:37:05,374 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:37:05,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:05,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1783786572, now seen corresponding path program 1 times [2022-11-25 18:37:05,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:37:05,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877775741] [2022-11-25 18:37:05,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:37:05,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:37:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:37:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:37:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:37:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:37:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:37:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:05,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:37:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:06,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:06,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:06,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:37:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:06,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:06,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 18:37:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:06,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-11-25 18:37:06,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:37:06,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877775741] [2022-11-25 18:37:06,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877775741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:37:06,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:37:06,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:37:06,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795137808] [2022-11-25 18:37:06,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:37:06,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:37:06,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:37:06,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:37:06,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:37:06,135 INFO L87 Difference]: Start difference. First operand 1206 states and 1664 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 18:37:08,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:13,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:15,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:18,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:20,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:23,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:25,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:27,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:29,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:30,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:37:30,570 INFO L93 Difference]: Finished difference Result 3996 states and 5624 transitions. [2022-11-25 18:37:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:37:30,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 144 [2022-11-25 18:37:30,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:37:30,593 INFO L225 Difference]: With dead ends: 3996 [2022-11-25 18:37:30,593 INFO L226 Difference]: Without dead ends: 2810 [2022-11-25 18:37:30,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:37:30,601 INFO L413 NwaCegarLoop]: 819 mSDtfsCounter, 1808 mSDsluCounter, 1426 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 821 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 1963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:37:30,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1901 Valid, 2245 Invalid, 1963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [821 Valid, 1133 Invalid, 9 Unknown, 0 Unchecked, 24.0s Time] [2022-11-25 18:37:30,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2022-11-25 18:37:30,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2325. [2022-11-25 18:37:30,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2325 states, 1689 states have (on average 1.330373001776199) internal successors, (2247), 1722 states have internal predecessors, (2247), 483 states have call successors, (483), 152 states have call predecessors, (483), 152 states have return successors, (489), 472 states have call predecessors, (489), 481 states have call successors, (489) [2022-11-25 18:37:30,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2325 states and 3219 transitions. [2022-11-25 18:37:30,768 INFO L78 Accepts]: Start accepts. Automaton has 2325 states and 3219 transitions. Word has length 144 [2022-11-25 18:37:30,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:37:30,769 INFO L495 AbstractCegarLoop]: Abstraction has 2325 states and 3219 transitions. [2022-11-25 18:37:30,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 18:37:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 3219 transitions. [2022-11-25 18:37:30,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-25 18:37:30,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:30,774 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:37:30,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:37:30,774 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:37:30,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:30,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1681406430, now seen corresponding path program 1 times [2022-11-25 18:37:30,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:37:30,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586751086] [2022-11-25 18:37:30,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:37:30,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:37:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:37:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:37:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:37:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:37:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:37:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:37:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:37:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 18:37:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:37:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:37:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:31,334 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-25 18:37:31,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:37:31,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586751086] [2022-11-25 18:37:31,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586751086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:37:31,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:37:31,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:37:31,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42679263] [2022-11-25 18:37:31,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:37:31,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:37:31,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:37:31,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:37:31,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:37:31,338 INFO L87 Difference]: Start difference. First operand 2325 states and 3219 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 18:37:35,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:37,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:39,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:42,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:44,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:46,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:47,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:37:47,688 INFO L93 Difference]: Finished difference Result 4821 states and 6715 transitions. [2022-11-25 18:37:47,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:37:47,689 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 150 [2022-11-25 18:37:47,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:37:47,706 INFO L225 Difference]: With dead ends: 4821 [2022-11-25 18:37:47,707 INFO L226 Difference]: Without dead ends: 2520 [2022-11-25 18:37:47,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:37:47,717 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 1097 mSDsluCounter, 1248 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 422 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:37:47,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 1825 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [422 Valid, 919 Invalid, 6 Unknown, 0 Unchecked, 16.0s Time] [2022-11-25 18:37:47,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2520 states. [2022-11-25 18:37:47,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2520 to 1993. [2022-11-25 18:37:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1993 states, 1448 states have (on average 1.3225138121546962) internal successors, (1915), 1473 states have internal predecessors, (1915), 403 states have call successors, (403), 142 states have call predecessors, (403), 141 states have return successors, (401), 393 states have call predecessors, (401), 401 states have call successors, (401) [2022-11-25 18:37:47,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1993 states and 2719 transitions. [2022-11-25 18:37:47,869 INFO L78 Accepts]: Start accepts. Automaton has 1993 states and 2719 transitions. Word has length 150 [2022-11-25 18:37:47,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:37:47,870 INFO L495 AbstractCegarLoop]: Abstraction has 1993 states and 2719 transitions. [2022-11-25 18:37:47,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 18:37:47,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2719 transitions. [2022-11-25 18:37:47,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-25 18:37:47,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:47,877 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:37:47,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:37:47,878 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:37:47,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:47,879 INFO L85 PathProgramCache]: Analyzing trace with hash 693090907, now seen corresponding path program 1 times [2022-11-25 18:37:47,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:37:47,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435063210] [2022-11-25 18:37:47,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:37:47,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:37:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:37:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:37:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:37:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:37:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:37:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:37:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:37:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 18:37:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-25 18:37:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-25 18:37:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-25 18:37:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-25 18:37:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-25 18:37:48,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:37:48,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435063210] [2022-11-25 18:37:48,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435063210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:37:48,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:37:48,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:37:48,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696702954] [2022-11-25 18:37:48,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:37:48,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:37:48,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:37:48,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:37:48,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:37:48,475 INFO L87 Difference]: Start difference. First operand 1993 states and 2719 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 18:37:52,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:54,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:58,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:00,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:01,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:01,619 INFO L93 Difference]: Finished difference Result 4585 states and 6341 transitions. [2022-11-25 18:38:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:38:01,620 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 175 [2022-11-25 18:38:01,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:01,636 INFO L225 Difference]: With dead ends: 4585 [2022-11-25 18:38:01,636 INFO L226 Difference]: Without dead ends: 2616 [2022-11-25 18:38:01,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:38:01,645 INFO L413 NwaCegarLoop]: 673 mSDtfsCounter, 1376 mSDsluCounter, 1533 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 808 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 2206 SdHoareTripleChecker+Invalid, 1967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 808 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:01,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 2206 Invalid, 1967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [808 Valid, 1155 Invalid, 4 Unknown, 0 Unchecked, 12.7s Time] [2022-11-25 18:38:01,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2616 states. [2022-11-25 18:38:01,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2616 to 2068. [2022-11-25 18:38:01,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2068 states, 1500 states have (on average 1.3306666666666667) internal successors, (1996), 1525 states have internal predecessors, (1996), 416 states have call successors, (416), 152 states have call predecessors, (416), 151 states have return successors, (414), 410 states have call predecessors, (414), 414 states have call successors, (414) [2022-11-25 18:38:01,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 2826 transitions. [2022-11-25 18:38:01,799 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 2826 transitions. Word has length 175 [2022-11-25 18:38:01,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:01,800 INFO L495 AbstractCegarLoop]: Abstraction has 2068 states and 2826 transitions. [2022-11-25 18:38:01,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 18:38:01,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2826 transitions. [2022-11-25 18:38:01,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-25 18:38:01,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:01,807 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:01,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:38:01,808 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:01,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:01,808 INFO L85 PathProgramCache]: Analyzing trace with hash 474852391, now seen corresponding path program 1 times [2022-11-25 18:38:01,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:38:01,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788933834] [2022-11-25 18:38:01,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:01,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:38:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:38:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:38:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:38:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:38:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:38:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:38:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:38:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 18:38:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-25 18:38:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-25 18:38:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:02,484 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-25 18:38:02,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:38:02,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788933834] [2022-11-25 18:38:02,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788933834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:02,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:02,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:38:02,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713960338] [2022-11-25 18:38:02,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:02,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:38:02,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:38:02,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:38:02,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:38:02,486 INFO L87 Difference]: Start difference. First operand 2068 states and 2826 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-25 18:38:06,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:10,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:10,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:10,953 INFO L93 Difference]: Finished difference Result 4798 states and 6848 transitions. [2022-11-25 18:38:10,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:38:10,954 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 178 [2022-11-25 18:38:10,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:10,979 INFO L225 Difference]: With dead ends: 4798 [2022-11-25 18:38:10,979 INFO L226 Difference]: Without dead ends: 3111 [2022-11-25 18:38:10,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:38:10,989 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 792 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 315 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 1454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:10,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 2429 Invalid, 1454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [315 Valid, 1137 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-11-25 18:38:10,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3111 states. [2022-11-25 18:38:11,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3111 to 2072. [2022-11-25 18:38:11,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2072 states, 1504 states have (on average 1.3297872340425532) internal successors, (2000), 1529 states have internal predecessors, (2000), 416 states have call successors, (416), 152 states have call predecessors, (416), 151 states have return successors, (414), 410 states have call predecessors, (414), 414 states have call successors, (414) [2022-11-25 18:38:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 2072 states and 2830 transitions. [2022-11-25 18:38:11,179 INFO L78 Accepts]: Start accepts. Automaton has 2072 states and 2830 transitions. Word has length 178 [2022-11-25 18:38:11,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:11,180 INFO L495 AbstractCegarLoop]: Abstraction has 2072 states and 2830 transitions. [2022-11-25 18:38:11,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-25 18:38:11,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2830 transitions. [2022-11-25 18:38:11,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-25 18:38:11,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:11,186 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:11,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:38:11,186 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:11,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:11,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1205450467, now seen corresponding path program 1 times [2022-11-25 18:38:11,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:38:11,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901015995] [2022-11-25 18:38:11,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:11,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:38:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:38:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:38:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:38:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:38:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:38:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:38:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:38:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 18:38:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-25 18:38:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-25 18:38:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-25 18:38:11,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:38:11,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901015995] [2022-11-25 18:38:11,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901015995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:11,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:11,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:38:11,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345352158] [2022-11-25 18:38:11,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:11,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:38:11,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:38:11,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:38:11,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:38:11,894 INFO L87 Difference]: Start difference. First operand 2072 states and 2830 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-25 18:38:15,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:17,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:21,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:23,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:25,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:27,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:28,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:28,694 INFO L93 Difference]: Finished difference Result 4806 states and 6856 transitions. [2022-11-25 18:38:28,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:38:28,695 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 179 [2022-11-25 18:38:28,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:28,717 INFO L225 Difference]: With dead ends: 4806 [2022-11-25 18:38:28,717 INFO L226 Difference]: Without dead ends: 3115 [2022-11-25 18:38:28,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:38:28,725 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 826 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 436 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 2800 SdHoareTripleChecker+Invalid, 1672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:28,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 2800 Invalid, 1672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 1230 Invalid, 6 Unknown, 0 Unchecked, 16.5s Time] [2022-11-25 18:38:28,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3115 states. [2022-11-25 18:38:28,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3115 to 2072. [2022-11-25 18:38:28,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2072 states, 1504 states have (on average 1.3297872340425532) internal successors, (2000), 1529 states have internal predecessors, (2000), 416 states have call successors, (416), 152 states have call predecessors, (416), 151 states have return successors, (414), 410 states have call predecessors, (414), 414 states have call successors, (414) [2022-11-25 18:38:28,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 2072 states and 2830 transitions. [2022-11-25 18:38:28,971 INFO L78 Accepts]: Start accepts. Automaton has 2072 states and 2830 transitions. Word has length 179 [2022-11-25 18:38:28,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:28,975 INFO L495 AbstractCegarLoop]: Abstraction has 2072 states and 2830 transitions. [2022-11-25 18:38:28,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-25 18:38:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2830 transitions. [2022-11-25 18:38:28,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-25 18:38:28,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:28,981 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:28,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:38:28,982 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:28,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:28,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1228318910, now seen corresponding path program 1 times [2022-11-25 18:38:28,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:38:28,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117754089] [2022-11-25 18:38:28,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:28,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:38:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:38:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:38:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:38:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:38:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:38:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:38:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:38:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 18:38:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-25 18:38:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 18:38:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-25 18:38:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 18:38:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,419 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-25 18:38:30,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:38:30,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117754089] [2022-11-25 18:38:30,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117754089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:30,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:30,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:38:30,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068117604] [2022-11-25 18:38:30,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:30,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:38:30,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:38:30,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:38:30,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:38:30,423 INFO L87 Difference]: Start difference. First operand 2072 states and 2830 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 18:38:34,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:36,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:38,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:42,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:44,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:46,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:47,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:47,414 INFO L93 Difference]: Finished difference Result 4310 states and 5980 transitions. [2022-11-25 18:38:47,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:38:47,416 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 185 [2022-11-25 18:38:47,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:47,452 INFO L225 Difference]: With dead ends: 4310 [2022-11-25 18:38:47,452 INFO L226 Difference]: Without dead ends: 2619 [2022-11-25 18:38:47,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:38:47,476 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 508 mSDsluCounter, 1953 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 317 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 2542 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:47,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 2542 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 1323 Invalid, 6 Unknown, 0 Unchecked, 16.7s Time] [2022-11-25 18:38:47,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2619 states. [2022-11-25 18:38:47,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2619 to 2076. [2022-11-25 18:38:47,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2076 states, 1508 states have (on average 1.3289124668435013) internal successors, (2004), 1533 states have internal predecessors, (2004), 416 states have call successors, (416), 152 states have call predecessors, (416), 151 states have return successors, (414), 410 states have call predecessors, (414), 414 states have call successors, (414) [2022-11-25 18:38:47,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 2076 states and 2834 transitions. [2022-11-25 18:38:47,652 INFO L78 Accepts]: Start accepts. Automaton has 2076 states and 2834 transitions. Word has length 185 [2022-11-25 18:38:47,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:47,653 INFO L495 AbstractCegarLoop]: Abstraction has 2076 states and 2834 transitions. [2022-11-25 18:38:47,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 18:38:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2834 transitions. [2022-11-25 18:38:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-25 18:38:47,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:47,659 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:47,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:38:47,660 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:47,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:47,660 INFO L85 PathProgramCache]: Analyzing trace with hash 990566495, now seen corresponding path program 1 times [2022-11-25 18:38:47,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:38:47,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711434475] [2022-11-25 18:38:47,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:47,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:38:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:38:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:38:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:38:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:38:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:38:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:38:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:38:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 18:38:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-25 18:38:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-25 18:38:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,681 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-25 18:38:48,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:38:48,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711434475] [2022-11-25 18:38:48,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711434475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:48,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:48,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-25 18:38:48,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632475437] [2022-11-25 18:38:48,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:48,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 18:38:48,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:38:48,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:38:48,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:38:48,686 INFO L87 Difference]: Start difference. First operand 2076 states and 2834 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (15), 7 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-25 18:38:54,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:58,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:02,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:03,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:39:03,525 INFO L93 Difference]: Finished difference Result 5606 states and 8238 transitions. [2022-11-25 18:39:03,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:39:03,526 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (15), 7 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 185 [2022-11-25 18:39:03,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:39:03,548 INFO L225 Difference]: With dead ends: 5606 [2022-11-25 18:39:03,549 INFO L226 Difference]: Without dead ends: 3911 [2022-11-25 18:39:03,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2022-11-25 18:39:03,557 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 1533 mSDsluCounter, 4042 mSDsCounter, 0 mSdLazyCounter, 2534 mSolverCounterSat, 609 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1603 SdHoareTripleChecker+Valid, 4810 SdHoareTripleChecker+Invalid, 3146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 609 IncrementalHoareTripleChecker+Valid, 2534 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:39:03,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1603 Valid, 4810 Invalid, 3146 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [609 Valid, 2534 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2022-11-25 18:39:03,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3911 states. [2022-11-25 18:39:03,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3911 to 2084. [2022-11-25 18:39:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2084 states, 1514 states have (on average 1.3276089828269484) internal successors, (2010), 1539 states have internal predecessors, (2010), 416 states have call successors, (416), 152 states have call predecessors, (416), 153 states have return successors, (418), 412 states have call predecessors, (418), 414 states have call successors, (418) [2022-11-25 18:39:03,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2844 transitions. [2022-11-25 18:39:03,808 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2844 transitions. Word has length 185 [2022-11-25 18:39:03,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:39:03,808 INFO L495 AbstractCegarLoop]: Abstraction has 2084 states and 2844 transitions. [2022-11-25 18:39:03,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (15), 7 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-25 18:39:03,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2844 transitions. [2022-11-25 18:39:03,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-25 18:39:03,815 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:39:03,815 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:39:03,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 18:39:03,816 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:39:03,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:39:03,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1789257482, now seen corresponding path program 1 times [2022-11-25 18:39:03,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:39:03,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706889130] [2022-11-25 18:39:03,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:39:03,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:39:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:39:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:39:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:39:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:39:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:39:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:39:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:39:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 18:39:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-25 18:39:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-25 18:39:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-25 18:39:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-25 18:39:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 18:39:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:05,888 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-25 18:39:05,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:39:05,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706889130] [2022-11-25 18:39:05,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706889130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:39:05,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:39:05,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-25 18:39:05,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42926540] [2022-11-25 18:39:05,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:39:05,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 18:39:05,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:39:05,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 18:39:05,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:39:05,891 INFO L87 Difference]: Start difference. First operand 2084 states and 2844 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (21), 7 states have call predecessors, (21), 3 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 18:39:11,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:13,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:15,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:17,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:22,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:24,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:26,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:28,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:30,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:39:30,939 INFO L93 Difference]: Finished difference Result 4334 states and 6008 transitions. [2022-11-25 18:39:30,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 18:39:30,940 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (21), 7 states have call predecessors, (21), 3 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) Word has length 197 [2022-11-25 18:39:30,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:39:30,968 INFO L225 Difference]: With dead ends: 4334 [2022-11-25 18:39:30,968 INFO L226 Difference]: Without dead ends: 2631 [2022-11-25 18:39:30,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2022-11-25 18:39:30,975 INFO L413 NwaCegarLoop]: 586 mSDtfsCounter, 459 mSDsluCounter, 4317 mSDsCounter, 0 mSdLazyCounter, 2517 mSolverCounterSat, 311 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 4903 SdHoareTripleChecker+Invalid, 2836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 2517 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:39:30,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 4903 Invalid, 2836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 2517 Invalid, 8 Unknown, 0 Unchecked, 24.4s Time] [2022-11-25 18:39:30,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2022-11-25 18:39:31,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 2096. [2022-11-25 18:39:31,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2096 states, 1522 states have (on average 1.325886990801577) internal successors, (2018), 1547 states have internal predecessors, (2018), 416 states have call successors, (416), 152 states have call predecessors, (416), 157 states have return successors, (434), 416 states have call predecessors, (434), 414 states have call successors, (434) [2022-11-25 18:39:31,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 2868 transitions. [2022-11-25 18:39:31,180 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 2868 transitions. Word has length 197 [2022-11-25 18:39:31,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:39:31,181 INFO L495 AbstractCegarLoop]: Abstraction has 2096 states and 2868 transitions. [2022-11-25 18:39:31,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (21), 7 states have call predecessors, (21), 3 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 18:39:31,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2868 transitions. [2022-11-25 18:39:31,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-25 18:39:31,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:39:31,187 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:39:31,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 18:39:31,188 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:39:31,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:39:31,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1452629847, now seen corresponding path program 1 times [2022-11-25 18:39:31,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:39:31,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124784045] [2022-11-25 18:39:31,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:39:31,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:39:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:31,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:39:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:39:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:39:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:39:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:39:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:39:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:39:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 18:39:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-25 18:39:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 18:39:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-25 18:39:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-25 18:39:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-25 18:39:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-25 18:39:32,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:39:32,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124784045] [2022-11-25 18:39:32,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124784045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:39:32,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:39:32,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-25 18:39:32,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602328852] [2022-11-25 18:39:32,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:39:32,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 18:39:32,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:39:32,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:39:32,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:39:32,654 INFO L87 Difference]: Start difference. First operand 2096 states and 2868 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (21), 7 states have call predecessors, (21), 3 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 18:39:37,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:39,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:44,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:46,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:49,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:51,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:52,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:39:52,873 INFO L93 Difference]: Finished difference Result 4731 states and 6693 transitions. [2022-11-25 18:39:52,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 18:39:52,874 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (21), 7 states have call predecessors, (21), 3 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) Word has length 196 [2022-11-25 18:39:52,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:39:52,892 INFO L225 Difference]: With dead ends: 4731 [2022-11-25 18:39:52,892 INFO L226 Difference]: Without dead ends: 3016 [2022-11-25 18:39:52,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2022-11-25 18:39:52,901 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 601 mSDsluCounter, 5137 mSDsCounter, 0 mSdLazyCounter, 2370 mSolverCounterSat, 304 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 5917 SdHoareTripleChecker+Invalid, 2680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 2370 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:39:52,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 5917 Invalid, 2680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 2370 Invalid, 6 Unknown, 0 Unchecked, 19.6s Time] [2022-11-25 18:39:52,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3016 states. [2022-11-25 18:39:53,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3016 to 2100. [2022-11-25 18:39:53,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 1526 states have (on average 1.3250327653997378) internal successors, (2022), 1549 states have internal predecessors, (2022), 416 states have call successors, (416), 152 states have call predecessors, (416), 157 states have return successors, (434), 418 states have call predecessors, (434), 414 states have call successors, (434) [2022-11-25 18:39:53,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2872 transitions. [2022-11-25 18:39:53,105 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2872 transitions. Word has length 196 [2022-11-25 18:39:53,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:39:53,106 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 2872 transitions. [2022-11-25 18:39:53,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (21), 7 states have call predecessors, (21), 3 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 18:39:53,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2872 transitions. [2022-11-25 18:39:53,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-25 18:39:53,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:39:53,113 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:39:53,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 18:39:53,113 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:39:53,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:39:53,114 INFO L85 PathProgramCache]: Analyzing trace with hash -859840518, now seen corresponding path program 1 times [2022-11-25 18:39:53,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:39:53,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612272454] [2022-11-25 18:39:53,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:39:53,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:39:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:39:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:39:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:39:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:39:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:39:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:39:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:53,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:39:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:54,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:54,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 18:39:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:54,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:54,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-25 18:39:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:54,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-25 18:39:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:54,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:54,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:39:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:54,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 18:39:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:54,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-25 18:39:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:54,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-25 18:39:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2022-11-25 18:39:54,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:39:54,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612272454] [2022-11-25 18:39:54,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612272454] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:39:54,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528420201] [2022-11-25 18:39:54,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:39:54,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:39:54,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:39:54,450 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:39:54,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 18:39:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:55,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-25 18:39:55,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:39:55,521 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-25 18:39:55,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:39:55,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528420201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:39:55,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:39:55,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13 [2022-11-25 18:39:55,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572791938] [2022-11-25 18:39:55,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:39:55,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:39:55,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:39:55,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:39:55,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:39:55,525 INFO L87 Difference]: Start difference. First operand 2100 states and 2872 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:39:56,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:39:56,002 INFO L93 Difference]: Finished difference Result 4192 states and 5771 transitions. [2022-11-25 18:39:56,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:39:56,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 203 [2022-11-25 18:39:56,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:39:56,011 INFO L225 Difference]: With dead ends: 4192 [2022-11-25 18:39:56,011 INFO L226 Difference]: Without dead ends: 2105 [2022-11-25 18:39:56,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 252 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-11-25 18:39:56,018 INFO L413 NwaCegarLoop]: 709 mSDtfsCounter, 6 mSDsluCounter, 2820 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3529 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:39:56,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3529 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:39:56,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2105 states. [2022-11-25 18:39:56,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2105 to 2105. [2022-11-25 18:39:56,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2105 states, 1531 states have (on average 1.3239712606139777) internal successors, (2027), 1554 states have internal predecessors, (2027), 416 states have call successors, (416), 152 states have call predecessors, (416), 157 states have return successors, (434), 418 states have call predecessors, (434), 414 states have call successors, (434) [2022-11-25 18:39:56,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 2877 transitions. [2022-11-25 18:39:56,251 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 2877 transitions. Word has length 203 [2022-11-25 18:39:56,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:39:56,252 INFO L495 AbstractCegarLoop]: Abstraction has 2105 states and 2877 transitions. [2022-11-25 18:39:56,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:39:56,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2877 transitions. [2022-11-25 18:39:56,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-25 18:39:56,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:39:56,258 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:39:56,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 18:39:56,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-25 18:39:56,470 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:39:56,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:39:56,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1170975090, now seen corresponding path program 1 times [2022-11-25 18:39:56,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:39:56,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139714842] [2022-11-25 18:39:56,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:39:56,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:39:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:39:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:39:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:39:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:39:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:39:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:39:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:39:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 18:39:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-25 18:39:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-25 18:39:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:39:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-25 18:39:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-25 18:39:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-25 18:39:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:57,992 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2022-11-25 18:39:57,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:39:57,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139714842] [2022-11-25 18:39:57,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139714842] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:39:57,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059450455] [2022-11-25 18:39:57,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:39:57,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:39:57,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:39:57,995 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:39:58,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 18:39:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:58,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 2277 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-25 18:39:58,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:39:59,104 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-25 18:39:59,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:39:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2022-11-25 18:39:59,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059450455] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:39:59,991 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:39:59,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 18 [2022-11-25 18:39:59,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352581227] [2022-11-25 18:39:59,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:39:59,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-25 18:39:59,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:39:59,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-25 18:39:59,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2022-11-25 18:39:59,994 INFO L87 Difference]: Start difference. First operand 2105 states and 2877 transitions. Second operand has 18 states, 16 states have (on average 8.5625) internal successors, (137), 13 states have internal predecessors, (137), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:40:06,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:40:08,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:40:14,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:40:16,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:40:18,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:40:18,783 INFO L93 Difference]: Finished difference Result 4709 states and 6538 transitions. [2022-11-25 18:40:18,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:40:18,784 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 8.5625) internal successors, (137), 13 states have internal predecessors, (137), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 205 [2022-11-25 18:40:18,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:40:18,796 INFO L225 Difference]: With dead ends: 4709 [2022-11-25 18:40:18,796 INFO L226 Difference]: Without dead ends: 2617 [2022-11-25 18:40:18,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 454 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=150, Invalid=662, Unknown=0, NotChecked=0, Total=812 [2022-11-25 18:40:18,806 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 720 mSDsluCounter, 5075 mSDsCounter, 0 mSdLazyCounter, 2714 mSolverCounterSat, 595 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 3313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 2714 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:40:18,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 5650 Invalid, 3313 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [595 Valid, 2714 Invalid, 4 Unknown, 0 Unchecked, 17.8s Time] [2022-11-25 18:40:18,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2022-11-25 18:40:19,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 2115. [2022-11-25 18:40:19,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2115 states, 1539 states have (on average 1.322287199480182) internal successors, (2035), 1562 states have internal predecessors, (2035), 417 states have call successors, (417), 153 states have call predecessors, (417), 158 states have return successors, (435), 419 states have call predecessors, (435), 415 states have call successors, (435) [2022-11-25 18:40:19,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 2887 transitions. [2022-11-25 18:40:19,039 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 2887 transitions. Word has length 205 [2022-11-25 18:40:19,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:40:19,040 INFO L495 AbstractCegarLoop]: Abstraction has 2115 states and 2887 transitions. [2022-11-25 18:40:19,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 8.5625) internal successors, (137), 13 states have internal predecessors, (137), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:40:19,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2887 transitions. [2022-11-25 18:40:19,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-11-25 18:40:19,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:40:19,047 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:40:19,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:40:19,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-25 18:40:19,259 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:40:19,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:40:19,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1871077894, now seen corresponding path program 2 times [2022-11-25 18:40:19,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:40:19,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661547540] [2022-11-25 18:40:19,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:40:19,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:40:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:40:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:40:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:40:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:40:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:40:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:40:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:40:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-25 18:40:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-25 18:40:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-25 18:40:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:40:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-25 18:40:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-25 18:40:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 18:40:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:20,882 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2022-11-25 18:40:20,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:40:20,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661547540] [2022-11-25 18:40:20,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661547540] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:40:20,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31639489] [2022-11-25 18:40:20,883 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:40:20,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:40:20,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:40:20,887 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:40:20,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 18:40:21,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 18:40:21,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:40:21,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 2307 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-25 18:40:21,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:40:22,442 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 41 proven. 3 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-11-25 18:40:22,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:40:23,526 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2022-11-25 18:40:23,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31639489] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:40:23,526 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:40:23,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 21 [2022-11-25 18:40:23,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233208141] [2022-11-25 18:40:23,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:40:23,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-25 18:40:23,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:40:23,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-25 18:40:23,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:40:23,529 INFO L87 Difference]: Start difference. First operand 2115 states and 2887 transitions. Second operand has 21 states, 19 states have (on average 7.368421052631579) internal successors, (140), 16 states have internal predecessors, (140), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:40:30,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:40:34,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:40:37,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:40:37,583 INFO L93 Difference]: Finished difference Result 4722 states and 6550 transitions. [2022-11-25 18:40:37,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 18:40:37,584 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 7.368421052631579) internal successors, (140), 16 states have internal predecessors, (140), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 207 [2022-11-25 18:40:37,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:40:37,594 INFO L225 Difference]: With dead ends: 4722 [2022-11-25 18:40:37,594 INFO L226 Difference]: Without dead ends: 2622 [2022-11-25 18:40:37,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 456 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=172, Invalid=884, Unknown=0, NotChecked=0, Total=1056 [2022-11-25 18:40:37,601 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 511 mSDsluCounter, 4936 mSDsCounter, 0 mSdLazyCounter, 2646 mSolverCounterSat, 331 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 5511 SdHoareTripleChecker+Invalid, 2979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 331 IncrementalHoareTripleChecker+Valid, 2646 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:40:37,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 5511 Invalid, 2979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [331 Valid, 2646 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time] [2022-11-25 18:40:37,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2622 states. [2022-11-25 18:40:37,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2622 to 2120. [2022-11-25 18:40:37,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2120 states, 1544 states have (on average 1.3212435233160622) internal successors, (2040), 1567 states have internal predecessors, (2040), 417 states have call successors, (417), 153 states have call predecessors, (417), 158 states have return successors, (435), 419 states have call predecessors, (435), 415 states have call successors, (435) [2022-11-25 18:40:37,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 2120 states and 2892 transitions. [2022-11-25 18:40:37,864 INFO L78 Accepts]: Start accepts. Automaton has 2120 states and 2892 transitions. Word has length 207 [2022-11-25 18:40:37,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:40:37,865 INFO L495 AbstractCegarLoop]: Abstraction has 2120 states and 2892 transitions. [2022-11-25 18:40:37,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 7.368421052631579) internal successors, (140), 16 states have internal predecessors, (140), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:40:37,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2120 states and 2892 transitions. [2022-11-25 18:40:37,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-25 18:40:37,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:40:37,871 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:40:37,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:40:38,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:40:38,083 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:40:38,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:40:38,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1344075406, now seen corresponding path program 3 times [2022-11-25 18:40:38,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:40:38,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784445849] [2022-11-25 18:40:38,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:40:38,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:40:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:40:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:40:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:40:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:40:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:40:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:40:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:38,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:40:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:39,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:40:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:39,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:40:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 18:40:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:39,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:39,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:40:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:39,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 18:40:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:39,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-25 18:40:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:39,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-25 18:40:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-25 18:40:39,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:40:39,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784445849] [2022-11-25 18:40:39,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784445849] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:40:39,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202315140] [2022-11-25 18:40:39,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 18:40:39,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:40:39,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:40:39,763 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:40:39,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 18:40:41,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-25 18:40:41,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:40:41,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 2178 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-25 18:40:41,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:40:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-25 18:40:42,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:40:43,502 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-25 18:40:43,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202315140] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:40:43,502 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:40:43,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 25 [2022-11-25 18:40:43,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414880145] [2022-11-25 18:40:43,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:40:43,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-25 18:40:43,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:40:43,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-25 18:40:43,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2022-11-25 18:40:43,506 INFO L87 Difference]: Start difference. First operand 2120 states and 2892 transitions. Second operand has 25 states, 23 states have (on average 6.043478260869565) internal successors, (139), 20 states have internal predecessors, (139), 4 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:40:52,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:40:57,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:41:01,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:41:01,220 INFO L93 Difference]: Finished difference Result 4732 states and 6560 transitions. [2022-11-25 18:41:01,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 18:41:01,224 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 6.043478260869565) internal successors, (139), 20 states have internal predecessors, (139), 4 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) Word has length 209 [2022-11-25 18:41:01,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:41:01,236 INFO L225 Difference]: With dead ends: 4732 [2022-11-25 18:41:01,236 INFO L226 Difference]: Without dead ends: 2627 [2022-11-25 18:41:01,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 457 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=207, Invalid=1275, Unknown=0, NotChecked=0, Total=1482 [2022-11-25 18:41:01,247 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 833 mSDsluCounter, 8011 mSDsCounter, 0 mSdLazyCounter, 3986 mSolverCounterSat, 612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 856 SdHoareTripleChecker+Valid, 8595 SdHoareTripleChecker+Invalid, 4600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 612 IncrementalHoareTripleChecker+Valid, 3986 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:41:01,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [856 Valid, 8595 Invalid, 4600 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [612 Valid, 3986 Invalid, 2 Unknown, 0 Unchecked, 16.3s Time] [2022-11-25 18:41:01,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2627 states. [2022-11-25 18:41:01,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2627 to 2125. [2022-11-25 18:41:01,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1549 states have (on average 1.3202065848934796) internal successors, (2045), 1572 states have internal predecessors, (2045), 417 states have call successors, (417), 153 states have call predecessors, (417), 158 states have return successors, (435), 419 states have call predecessors, (435), 415 states have call successors, (435) [2022-11-25 18:41:01,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2897 transitions. [2022-11-25 18:41:01,444 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2897 transitions. Word has length 209 [2022-11-25 18:41:01,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:41:01,444 INFO L495 AbstractCegarLoop]: Abstraction has 2125 states and 2897 transitions. [2022-11-25 18:41:01,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 6.043478260869565) internal successors, (139), 20 states have internal predecessors, (139), 4 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:41:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2897 transitions. [2022-11-25 18:41:01,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-25 18:41:01,450 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:41:01,450 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:41:01,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 18:41:01,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-25 18:41:01,663 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:41:01,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:41:01,663 INFO L85 PathProgramCache]: Analyzing trace with hash -553116678, now seen corresponding path program 4 times [2022-11-25 18:41:01,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:41:01,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768734602] [2022-11-25 18:41:01,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:41:01,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:41:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:41:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:41:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:41:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:41:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:41:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:41:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:41:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:41:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:41:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:41:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:41:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:41:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:41:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:02,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:03,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 18:41:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:03,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:03,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 18:41:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:03,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 18:41:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:03,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:03,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:41:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:03,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-25 18:41:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:03,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-25 18:41:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:03,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-25 18:41:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:03,595 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-25 18:41:03,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:41:03,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768734602] [2022-11-25 18:41:03,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768734602] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:41:03,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982251639] [2022-11-25 18:41:03,596 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 18:41:03,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:41:03,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:41:03,598 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:41:03,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 18:41:04,614 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 18:41:04,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:41:04,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 2367 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-25 18:41:04,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:41:05,108 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 57 proven. 10 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-25 18:41:05,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:41:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-25 18:41:06,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982251639] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:41:06,287 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:41:06,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 10] total 25 [2022-11-25 18:41:06,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023391484] [2022-11-25 18:41:06,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:41:06,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-25 18:41:06,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:41:06,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-25 18:41:06,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2022-11-25 18:41:06,289 INFO L87 Difference]: Start difference. First operand 2125 states and 2897 transitions. Second operand has 25 states, 23 states have (on average 6.260869565217392) internal successors, (144), 20 states have internal predecessors, (144), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:41:15,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:41:17,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:41:19,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:41:23,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:41:25,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:41:27,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:41:33,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:41:33,660 INFO L93 Difference]: Finished difference Result 4790 states and 6625 transitions. [2022-11-25 18:41:33,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-25 18:41:33,660 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 6.260869565217392) internal successors, (144), 20 states have internal predecessors, (144), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 211 [2022-11-25 18:41:33,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:41:33,671 INFO L225 Difference]: With dead ends: 4790 [2022-11-25 18:41:33,671 INFO L226 Difference]: Without dead ends: 2685 [2022-11-25 18:41:33,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 461 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=361, Invalid=1991, Unknown=0, NotChecked=0, Total=2352 [2022-11-25 18:41:33,681 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 433 mSDsluCounter, 7804 mSDsCounter, 0 mSdLazyCounter, 4194 mSolverCounterSat, 308 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 8381 SdHoareTripleChecker+Invalid, 4508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 4194 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:41:33,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 8381 Invalid, 4508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [308 Valid, 4194 Invalid, 6 Unknown, 0 Unchecked, 25.1s Time] [2022-11-25 18:41:33,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2022-11-25 18:41:33,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2183. [2022-11-25 18:41:33,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2183 states, 1601 states have (on average 1.3141786383510305) internal successors, (2104), 1624 states have internal predecessors, (2104), 417 states have call successors, (417), 159 states have call predecessors, (417), 164 states have return successors, (435), 419 states have call predecessors, (435), 415 states have call successors, (435) [2022-11-25 18:41:33,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 2183 states and 2956 transitions. [2022-11-25 18:41:33,963 INFO L78 Accepts]: Start accepts. Automaton has 2183 states and 2956 transitions. Word has length 211 [2022-11-25 18:41:33,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:41:33,985 INFO L495 AbstractCegarLoop]: Abstraction has 2183 states and 2956 transitions. [2022-11-25 18:41:33,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 6.260869565217392) internal successors, (144), 20 states have internal predecessors, (144), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:41:33,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 2956 transitions. [2022-11-25 18:41:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-25 18:41:33,991 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:41:33,991 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:41:34,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 18:41:34,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-25 18:41:34,210 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:41:34,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:41:34,211 INFO L85 PathProgramCache]: Analyzing trace with hash -2127416970, now seen corresponding path program 5 times [2022-11-25 18:41:34,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:41:34,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396851820] [2022-11-25 18:41:34,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:41:34,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:41:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:41:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:41:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:41:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:41:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:41:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:41:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:41:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:41:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:41:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:41:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:41:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:41:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:41:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:35,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:36,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:41:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:36,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:36,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 18:41:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:36,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-25 18:41:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:36,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:36,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:41:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:36,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-25 18:41:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:36,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 18:41:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:36,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-25 18:41:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-25 18:41:36,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:41:36,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396851820] [2022-11-25 18:41:36,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396851820] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:41:36,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216998776] [2022-11-25 18:41:36,281 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-25 18:41:36,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:41:36,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:41:36,283 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:41:36,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 18:41:38,651 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-11-25 18:41:38,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:41:38,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-25 18:41:38,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:41:40,089 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 62 proven. 15 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-25 18:41:40,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:41:42,577 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-25 18:41:42,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216998776] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:41:42,577 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:41:42,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 11] total 28 [2022-11-25 18:41:42,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436515077] [2022-11-25 18:41:42,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:41:42,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-25 18:41:42,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:41:42,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-25 18:41:42,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2022-11-25 18:41:42,580 INFO L87 Difference]: Start difference. First operand 2183 states and 2956 transitions. Second operand has 28 states, 26 states have (on average 5.653846153846154) internal successors, (147), 23 states have internal predecessors, (147), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:41:58,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:42:01,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:42:09,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:42:09,943 INFO L93 Difference]: Finished difference Result 4870 states and 6699 transitions. [2022-11-25 18:42:09,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-25 18:42:09,944 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 5.653846153846154) internal successors, (147), 23 states have internal predecessors, (147), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 212 [2022-11-25 18:42:09,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:42:09,954 INFO L225 Difference]: With dead ends: 4870 [2022-11-25 18:42:09,954 INFO L226 Difference]: Without dead ends: 2695 [2022-11-25 18:42:09,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 461 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=419, Invalid=2773, Unknown=0, NotChecked=0, Total=3192 [2022-11-25 18:42:09,963 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 795 mSDsluCounter, 9952 mSDsCounter, 0 mSdLazyCounter, 5085 mSolverCounterSat, 599 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 10535 SdHoareTripleChecker+Invalid, 5686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 599 IncrementalHoareTripleChecker+Valid, 5085 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:42:09,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 10535 Invalid, 5686 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [599 Valid, 5085 Invalid, 2 Unknown, 0 Unchecked, 23.1s Time] [2022-11-25 18:42:09,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2695 states. [2022-11-25 18:42:10,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2695 to 2193. [2022-11-25 18:42:10,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2193 states, 1611 states have (on average 1.3122284295468654) internal successors, (2114), 1634 states have internal predecessors, (2114), 417 states have call successors, (417), 159 states have call predecessors, (417), 164 states have return successors, (435), 419 states have call predecessors, (435), 415 states have call successors, (435) [2022-11-25 18:42:10,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 2193 states and 2966 transitions. [2022-11-25 18:42:10,207 INFO L78 Accepts]: Start accepts. Automaton has 2193 states and 2966 transitions. Word has length 212 [2022-11-25 18:42:10,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:42:10,208 INFO L495 AbstractCegarLoop]: Abstraction has 2193 states and 2966 transitions. [2022-11-25 18:42:10,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 5.653846153846154) internal successors, (147), 23 states have internal predecessors, (147), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:42:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2966 transitions. [2022-11-25 18:42:10,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-25 18:42:10,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:42:10,214 INFO L195 NwaCegarLoop]: trace histogram [10, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:42:10,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-25 18:42:10,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-25 18:42:10,424 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:42:10,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:42:10,424 INFO L85 PathProgramCache]: Analyzing trace with hash 2068829609, now seen corresponding path program 1 times [2022-11-25 18:42:10,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:42:10,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426206926] [2022-11-25 18:42:10,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:42:10,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:42:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:42:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:42:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:42:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:42:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:42:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:42:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:42:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:42:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:42:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:42:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:42:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:42:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:42:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:11,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:12,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 18:42:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:12,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:12,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-25 18:42:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:12,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 18:42:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:12,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:12,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:42:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:12,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-25 18:42:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:12,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 18:42:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:12,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-25 18:42:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:12,486 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-25 18:42:12,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:42:12,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426206926] [2022-11-25 18:42:12,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426206926] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:42:12,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149997217] [2022-11-25 18:42:12,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:42:12,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:42:12,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:42:12,491 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:42:12,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 18:42:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:13,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 2383 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-25 18:42:13,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:42:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 67 proven. 21 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-25 18:42:14,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:42:15,593 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-25 18:42:15,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149997217] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:42:15,593 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:42:15,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 29 [2022-11-25 18:42:15,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824896983] [2022-11-25 18:42:15,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:42:15,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-25 18:42:15,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:42:15,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-25 18:42:15,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=711, Unknown=0, NotChecked=0, Total=812 [2022-11-25 18:42:15,596 INFO L87 Difference]: Start difference. First operand 2193 states and 2966 transitions. Second operand has 29 states, 27 states have (on average 5.444444444444445) internal successors, (147), 24 states have internal predecessors, (147), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:42:27,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:42:29,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:42:32,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:42:34,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:42:42,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:42:42,084 INFO L93 Difference]: Finished difference Result 4890 states and 6719 transitions. [2022-11-25 18:42:42,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-25 18:42:42,085 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 5.444444444444445) internal successors, (147), 24 states have internal predecessors, (147), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 212 [2022-11-25 18:42:42,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:42:42,094 INFO L225 Difference]: With dead ends: 4890 [2022-11-25 18:42:42,094 INFO L226 Difference]: Without dead ends: 2705 [2022-11-25 18:42:42,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 461 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=464, Invalid=2842, Unknown=0, NotChecked=0, Total=3306 [2022-11-25 18:42:42,102 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 495 mSDsluCounter, 8653 mSDsCounter, 0 mSdLazyCounter, 4665 mSolverCounterSat, 327 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 9240 SdHoareTripleChecker+Invalid, 4996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 327 IncrementalHoareTripleChecker+Valid, 4665 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:42:42,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 9240 Invalid, 4996 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [327 Valid, 4665 Invalid, 4 Unknown, 0 Unchecked, 23.5s Time] [2022-11-25 18:42:42,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2022-11-25 18:42:42,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 2203. [2022-11-25 18:42:42,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2203 states, 1621 states have (on average 1.310302282541641) internal successors, (2124), 1644 states have internal predecessors, (2124), 417 states have call successors, (417), 159 states have call predecessors, (417), 164 states have return successors, (435), 419 states have call predecessors, (435), 415 states have call successors, (435) [2022-11-25 18:42:42,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 2203 states and 2976 transitions. [2022-11-25 18:42:42,443 INFO L78 Accepts]: Start accepts. Automaton has 2203 states and 2976 transitions. Word has length 212 [2022-11-25 18:42:42,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:42:42,444 INFO L495 AbstractCegarLoop]: Abstraction has 2203 states and 2976 transitions. [2022-11-25 18:42:42,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 5.444444444444445) internal successors, (147), 24 states have internal predecessors, (147), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:42:42,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 2976 transitions. [2022-11-25 18:42:42,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-25 18:42:42,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:42:42,449 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:42:42,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 18:42:42,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-25 18:42:42,663 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:42:42,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:42:42,663 INFO L85 PathProgramCache]: Analyzing trace with hash -465210890, now seen corresponding path program 6 times [2022-11-25 18:42:42,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:42:42,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680370994] [2022-11-25 18:42:42,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:42:42,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:42:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:42:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:42:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:42:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:42:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:42:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:42:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:42:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:42:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 18:42:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:42:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 18:42:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:42:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:42:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:43,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:44,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-25 18:42:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:44,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:44,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-25 18:42:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:44,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:42:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:44,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:44,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:42:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:44,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-25 18:42:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:44,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-25 18:42:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-25 18:42:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:44,766 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-25 18:42:44,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:42:44,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680370994] [2022-11-25 18:42:44,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680370994] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:42:44,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850413338] [2022-11-25 18:42:44,767 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-25 18:42:44,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:42:44,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:42:44,768 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:42:44,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 18:42:50,944 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-11-25 18:42:50,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:42:50,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 2412 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-25 18:42:50,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:42:51,457 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 72 proven. 28 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-25 18:42:51,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:42:52,939 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-25 18:42:52,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850413338] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:42:52,939 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:42:52,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13, 13] total 31 [2022-11-25 18:42:52,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726563739] [2022-11-25 18:42:52,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:42:52,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-25 18:42:52,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:42:52,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-25 18:42:52,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=816, Unknown=0, NotChecked=0, Total=930 [2022-11-25 18:42:52,942 INFO L87 Difference]: Start difference. First operand 2203 states and 2976 transitions. Second operand has 31 states, 29 states have (on average 5.172413793103448) internal successors, (150), 26 states have internal predecessors, (150), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:43:04,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:43:07,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:43:13,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:43:13,785 INFO L93 Difference]: Finished difference Result 4910 states and 6739 transitions. [2022-11-25 18:43:13,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-25 18:43:13,786 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 5.172413793103448) internal successors, (150), 26 states have internal predecessors, (150), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 214 [2022-11-25 18:43:13,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:43:13,796 INFO L225 Difference]: With dead ends: 4910 [2022-11-25 18:43:13,797 INFO L226 Difference]: Without dead ends: 2715 [2022-11-25 18:43:13,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 464 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 694 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=513, Invalid=3269, Unknown=0, NotChecked=0, Total=3782 [2022-11-25 18:43:13,804 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 983 mSDsluCounter, 7848 mSDsCounter, 0 mSdLazyCounter, 4263 mSolverCounterSat, 759 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1006 SdHoareTripleChecker+Valid, 8422 SdHoareTripleChecker+Invalid, 5024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 759 IncrementalHoareTripleChecker+Valid, 4263 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:43:13,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1006 Valid, 8422 Invalid, 5024 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [759 Valid, 4263 Invalid, 2 Unknown, 0 Unchecked, 17.7s Time] [2022-11-25 18:43:13,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2715 states. [2022-11-25 18:43:14,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2715 to 2213. [2022-11-25 18:43:14,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 1631 states have (on average 1.3083997547516861) internal successors, (2134), 1654 states have internal predecessors, (2134), 417 states have call successors, (417), 159 states have call predecessors, (417), 164 states have return successors, (435), 419 states have call predecessors, (435), 415 states have call successors, (435) [2022-11-25 18:43:14,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2986 transitions. [2022-11-25 18:43:14,107 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2986 transitions. Word has length 214 [2022-11-25 18:43:14,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:43:14,108 INFO L495 AbstractCegarLoop]: Abstraction has 2213 states and 2986 transitions. [2022-11-25 18:43:14,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 5.172413793103448) internal successors, (150), 26 states have internal predecessors, (150), 4 states have call successors, (47), 7 states have call predecessors, (47), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:43:14,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2986 transitions. [2022-11-25 18:43:14,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-25 18:43:14,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:43:14,113 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:43:14,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 18:43:14,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:43:14,329 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:43:14,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:43:14,329 INFO L85 PathProgramCache]: Analyzing trace with hash 597662458, now seen corresponding path program 7 times [2022-11-25 18:43:14,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:43:14,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079313888] [2022-11-25 18:43:14,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:43:14,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:43:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:43:15,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:43:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:43:15,860 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:43:15,860 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:43:15,861 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 18:43:15,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 18:43:15,867 INFO L445 BasicCegarLoop]: Path program histogram: [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:43:15,871 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:43:15,903 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-25 18:43:15,906 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-25 18:43:16,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:43:16 BoogieIcfgContainer [2022-11-25 18:43:16,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:43:16,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:43:16,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:43:16,110 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:43:16,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:36:33" (3/4) ... [2022-11-25 18:43:16,114 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:43:16,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:43:16,114 INFO L158 Benchmark]: Toolchain (without parser) took 422829.29ms. Allocated memory was 174.1MB in the beginning and 654.3MB in the end (delta: 480.2MB). Free memory was 133.1MB in the beginning and 515.6MB in the end (delta: -382.5MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. [2022-11-25 18:43:16,115 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 109.1MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:43:16,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2676.57ms. Allocated memory was 174.1MB in the beginning and 228.6MB in the end (delta: 54.5MB). Free memory was 133.1MB in the beginning and 140.0MB in the end (delta: -6.9MB). Peak memory consumption was 91.0MB. Max. memory is 16.1GB. [2022-11-25 18:43:16,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 288.46ms. Allocated memory is still 228.6MB. Free memory was 140.0MB in the beginning and 120.1MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 18:43:16,117 INFO L158 Benchmark]: Boogie Preprocessor took 224.25ms. Allocated memory is still 228.6MB. Free memory was 120.1MB in the beginning and 99.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 18:43:16,122 INFO L158 Benchmark]: RCFGBuilder took 16854.65ms. Allocated memory was 228.6MB in the beginning and 654.3MB in the end (delta: 425.7MB). Free memory was 99.1MB in the beginning and 522.3MB in the end (delta: -423.1MB). Peak memory consumption was 346.5MB. Max. memory is 16.1GB. [2022-11-25 18:43:16,122 INFO L158 Benchmark]: TraceAbstraction took 402764.83ms. Allocated memory is still 654.3MB. Free memory was 522.3MB in the beginning and 515.6MB in the end (delta: 6.7MB). Peak memory consumption was 356.9MB. Max. memory is 16.1GB. [2022-11-25 18:43:16,124 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 654.3MB. Free memory is still 515.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:43:16,127 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 109.1MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2676.57ms. Allocated memory was 174.1MB in the beginning and 228.6MB in the end (delta: 54.5MB). Free memory was 133.1MB in the beginning and 140.0MB in the end (delta: -6.9MB). Peak memory consumption was 91.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 288.46ms. Allocated memory is still 228.6MB. Free memory was 140.0MB in the beginning and 120.1MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 224.25ms. Allocated memory is still 228.6MB. Free memory was 120.1MB in the beginning and 99.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 16854.65ms. Allocated memory was 228.6MB in the beginning and 654.3MB in the end (delta: 425.7MB). Free memory was 99.1MB in the beginning and 522.3MB in the end (delta: -423.1MB). Peak memory consumption was 346.5MB. Max. memory is 16.1GB. * TraceAbstraction took 402764.83ms. Allocated memory is still 654.3MB. Free memory was 522.3MB in the beginning and 515.6MB in the end (delta: 6.7MB). Peak memory consumption was 356.9MB. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 654.3MB. Free memory is still 515.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 7526]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6952, overapproximation of shiftRight at line 6045, overapproximation of bitwiseAnd at line 6045. Possible FailurePath: [L6261] int ldv_state_variable_3 ; [L6262] int LDV_IN_INTERRUPT = 1; [L6263] int ldv_state_variable_2 ; [L6264] struct atm_vcc *atmtcp_c_dev_ops_group0 ; [L6265] int ref_cnt ; [L6266] struct atm_vcc *atmtcp_v_dev_ops_group1 ; [L6267] struct atm_dev *atmtcp_v_dev_ops_group0 ; [L6268] int ldv_state_variable_1 ; [L6269] int ldv_state_variable_0 ; [L6942-L6944] static struct atmdev_ops atmtcp_v_dev_ops = {& atmtcp_v_dev_close, & atmtcp_v_open, & atmtcp_v_close, & atmtcp_v_ioctl, 0, 0, 0, & atmtcp_v_send, 0, 0, 0, 0, & atmtcp_v_proc, & __this_module}; [L6945-L6946] static struct atmdev_ops atmtcp_c_dev_ops = {0, 0, & atmtcp_c_close, 0, 0, 0, 0, & atmtcp_c_send, 0, 0, 0, 0, 0, 0}; [L6947-L7055] static struct atm_dev atmtcp_control_dev = {(struct atmdev_ops const *)(& atmtcp_c_dev_ops), 0, "atmtcp", 999, 0, 0, 0UL, {0, 0}, {0, 0}, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, {(signed char)0, (signed char)0}, {{{0}, {0}, {0}, {0}, {0}}, {{0}, {0}, {0}, {0}, {0}}, {{0}, {0}, {0}, {0}, {0}}}, (char)0, 0, {0}, {{{{{0}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "atmtcp_control_dev.lock", 0, 0UL}}}}, 0, 0, {0, 0, {0, {0, 0}, 0, 0, 0, 0, {{0}}, {{{0L}, {0, 0}, 0, {0, {0, 0}, 0, 0, 0UL}}, {{0, 0}, 0UL, 0, 0UL, 0U, 0, 0, 0, {(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, {0, {0, 0}, 0, 0, 0UL}}, 0, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0, 0, {{0}, {{{{{0}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, 0, 0, {0, {0, 0}, 0, 0, 0UL}}, 0, 0, 0, 0, {{0}, (unsigned char)0, (unsigned char)0, (_Bool)0, (_Bool)0, (_Bool)0, (_Bool)0, (_Bool)0, (_Bool)0, (_Bool)0, {{{{{0}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, {0U, {{{{{{0}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}, 0, (_Bool)0, (_Bool)0, {{0, 0}, 0UL, 0, 0UL, 0U, 0, 0, 0, {(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, {0, {0, 0}, 0, 0, 0UL}}, 0UL, {{0L}, {0, 0}, 0, {0, {0, 0}, 0, 0, 0UL}}, {{{{{{0}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, 0, {0}, {0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0, 0, 0, 0, 0UL, 0UL, 0UL, 0UL, 0, 0, 0}, 0, 0, 0, 0, 0ULL, 0UL, 0, {0, 0}, 0, 0, {0, 0}, 0, 0, 0U, 0U, {{{{{0}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, {0, {0, 0}, {{0}}}, 0, 0, 0, 0, (_Bool)0, (_Bool)0}, {0, 0}}; [L7212] static struct atm_ioctl atmtcp_ioctl_ops = {& __this_module, & atmtcp_ioctl, {0, 0}}; [L7228] int ldv_retval_0 ; [L7229] int ldv_retval_1 ; [L7565] int ldv_module_refcounter = 1; VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L7255] unsigned long ldvarg1 ; [L7256] struct socket *ldvarg0 ; [L7257] void *tmp ; [L7258] unsigned int ldvarg2 ; [L7259] loff_t *ldvarg7 ; [L7260] void *tmp___0 ; [L7261] void *ldvarg4 ; [L7262] void *tmp___1 ; [L7263] struct sk_buff *ldvarg3 ; [L7264] void *tmp___2 ; [L7265] unsigned int ldvarg5 ; [L7266] char *ldvarg6 ; [L7267] void *tmp___3 ; [L7268] struct sk_buff *ldvarg8 ; [L7269] void *tmp___4 ; [L7270] int tmp___5 ; [L7271] int tmp___6 ; [L7272] int tmp___7 ; [L7273] int tmp___8 ; [L7274] int tmp___9 ; VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg1={36893488147419103237:0}, ldvarg5={36893488147419103236:0}, ref_cnt=0] [L7276] CALL, EXPR ldv_init_zalloc(48UL) VAL [\old(size)=48, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6215] void *p ; [L6216] void *tmp ; [L6218] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=48, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-18446744073709551617:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, size=48] [L6218] tmp = calloc(1UL, size) [L6219] p = tmp VAL [\old(size)=48, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-18446744073709551617:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-18446744073709551617:0}, ref_cnt=0, size=48, tmp={-18446744073709551617:0}] [L6220] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6177] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6220] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=48, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-18446744073709551617:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-18446744073709551617:0}, ref_cnt=0, size=48, tmp={-18446744073709551617:0}] [L6221] return (p); VAL [\old(size)=48, \result={-18446744073709551617:0}, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-18446744073709551617:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-18446744073709551617:0}, ref_cnt=0, size=48, tmp={-18446744073709551617:0}] [L7276] RET, EXPR ldv_init_zalloc(48UL) VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(48UL)={-18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg1={36893488147419103237:0}, ldvarg5={36893488147419103236:0}, ref_cnt=0] [L7276] tmp = ldv_init_zalloc(48UL) [L7277] ldvarg0 = (struct socket *)tmp VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg5={36893488147419103236:0}, ref_cnt=0, tmp={-18446744073709551617:0}] [L7278] CALL, EXPR ldv_init_zalloc(8UL) VAL [\old(size)=8, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6215] void *p ; [L6216] void *tmp ; [L6218] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=8, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={18446744073709551617:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, size=8] [L6218] tmp = calloc(1UL, size) [L6219] p = tmp VAL [\old(size)=8, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={18446744073709551617:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={18446744073709551617:0}, ref_cnt=0, size=8, tmp={18446744073709551617:0}] [L6220] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6177] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6220] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=8, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={18446744073709551617:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={18446744073709551617:0}, ref_cnt=0, size=8, tmp={18446744073709551617:0}] [L6221] return (p); VAL [\old(size)=8, \result={18446744073709551617:0}, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={18446744073709551617:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={18446744073709551617:0}, ref_cnt=0, size=8, tmp={18446744073709551617:0}] [L7278] RET, EXPR ldv_init_zalloc(8UL) VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(8UL)={18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg5={36893488147419103236:0}, ref_cnt=0, tmp={-18446744073709551617:0}] [L7278] tmp___0 = ldv_init_zalloc(8UL) [L7279] ldvarg7 = (loff_t *)tmp___0 VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg5={36893488147419103236:0}, ldvarg7={18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}] [L7280] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6215] void *p ; [L6216] void *tmp ; [L6218] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, size=1] [L6218] tmp = calloc(1UL, size) [L6219] p = tmp VAL [\old(size)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-36893488147419103233:0}, ref_cnt=0, size=1, tmp={-36893488147419103233:0}] [L6220] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6177] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6220] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-36893488147419103233:0}, ref_cnt=0, size=1, tmp={-36893488147419103233:0}] [L6221] return (p); VAL [\old(size)=1, \result={-36893488147419103233:0}, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-36893488147419103233:0}, ref_cnt=0, size=1, tmp={-36893488147419103233:0}] [L7280] RET, EXPR ldv_init_zalloc(1UL) VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg5={36893488147419103236:0}, ldvarg7={18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}] [L7280] tmp___1 = ldv_init_zalloc(1UL) [L7281] ldvarg4 = tmp___1 VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg4={-36893488147419103233:0}, ldvarg5={36893488147419103236:0}, ldvarg7={18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}, tmp___1={-36893488147419103233:0}] [L7282] CALL, EXPR ldv_init_zalloc(232UL) VAL [\old(size)=232, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6215] void *p ; [L6216] void *tmp ; [L6218] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=232, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, size=232] [L6218] tmp = calloc(1UL, size) [L6219] p = tmp VAL [\old(size)=232, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-55340232221128654849:0}, ref_cnt=0, size=232, tmp={-55340232221128654849:0}] [L6220] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6177] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6220] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=232, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-55340232221128654849:0}, ref_cnt=0, size=232, tmp={-55340232221128654849:0}] [L6221] return (p); VAL [\old(size)=232, \result={-55340232221128654849:0}, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-55340232221128654849:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-55340232221128654849:0}, ref_cnt=0, size=232, tmp={-55340232221128654849:0}] [L7282] RET, EXPR ldv_init_zalloc(232UL) VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(232UL)={-55340232221128654849:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg4={-36893488147419103233:0}, ldvarg5={36893488147419103236:0}, ldvarg7={18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}, tmp___1={-36893488147419103233:0}] [L7282] tmp___2 = ldv_init_zalloc(232UL) [L7283] ldvarg3 = (struct sk_buff *)tmp___2 VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg3={-55340232221128654849:0}, ldvarg4={-36893488147419103233:0}, ldvarg5={36893488147419103236:0}, ldvarg7={18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-55340232221128654849:0}] [L7284] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6215] void *p ; [L6216] void *tmp ; [L6218] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, size=1] [L6218] tmp = calloc(1UL, size) [L6219] p = tmp VAL [\old(size)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={36893488147419103233:0}, ref_cnt=0, size=1, tmp={36893488147419103233:0}] [L6220] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6177] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6220] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={36893488147419103233:0}, ref_cnt=0, size=1, tmp={36893488147419103233:0}] [L6221] return (p); VAL [\old(size)=1, \result={36893488147419103233:0}, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={36893488147419103233:0}, ref_cnt=0, size=1, tmp={36893488147419103233:0}] [L7284] RET, EXPR ldv_init_zalloc(1UL) VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg3={-55340232221128654849:0}, ldvarg4={-36893488147419103233:0}, ldvarg5={36893488147419103236:0}, ldvarg7={18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-55340232221128654849:0}] [L7284] tmp___3 = ldv_init_zalloc(1UL) [L7285] ldvarg6 = (char *)tmp___3 VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg3={-55340232221128654849:0}, ldvarg4={-36893488147419103233:0}, ldvarg5={36893488147419103236:0}, ldvarg6={36893488147419103233:0}, ldvarg7={18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-55340232221128654849:0}, tmp___3={36893488147419103233:0}] [L7286] CALL, EXPR ldv_init_zalloc(232UL) VAL [\old(size)=232, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6215] void *p ; [L6216] void *tmp ; [L6218] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=232, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, size=232] [L6218] tmp = calloc(1UL, size) [L6219] p = tmp VAL [\old(size)=232, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-73786976294838206465:0}, ref_cnt=0, size=232, tmp={-73786976294838206465:0}] [L6220] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6177] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6220] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=232, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-73786976294838206465:0}, ref_cnt=0, size=232, tmp={-73786976294838206465:0}] [L6221] return (p); VAL [\old(size)=232, \result={-73786976294838206465:0}, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-73786976294838206465:0}, ref_cnt=0, size=232, tmp={-73786976294838206465:0}] [L7286] RET, EXPR ldv_init_zalloc(232UL) VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(232UL)={-73786976294838206465:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg3={-55340232221128654849:0}, ldvarg4={-36893488147419103233:0}, ldvarg5={36893488147419103236:0}, ldvarg6={36893488147419103233:0}, ldvarg7={18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-55340232221128654849:0}, tmp___3={36893488147419103233:0}] [L7286] tmp___4 = ldv_init_zalloc(232UL) [L7287] ldvarg8 = (struct sk_buff *)tmp___4 [L7288] FCALL ldv_initialize() [L7289] CALL ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [\old(c)=0, \old(n)=8, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, s={36893488147419103237:0}] [L6226] void *tmp ; VAL [\old(c)=0, \old(n)=8, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, n=8, ref_cnt=0, s={36893488147419103237:0}, s={36893488147419103237:0}] [L6228] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, memset(s, c, n)={36893488147419103237:0}, n=8, ref_cnt=0, s={36893488147419103237:0}, s={36893488147419103237:0}] [L6228] tmp = memset(s, c, n) [L6229] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={36893488147419103237:0}, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, n=8, ref_cnt=0, s={36893488147419103237:0}, s={36893488147419103237:0}, tmp={36893488147419103237:0}] [L7289] RET ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg1), 0, 8UL)={36893488147419103237:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg3={-55340232221128654849:0}, ldvarg4={-36893488147419103233:0}, ldvarg5={36893488147419103236:0}, ldvarg6={36893488147419103233:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-55340232221128654849:0}, tmp___3={36893488147419103233:0}, tmp___4={-73786976294838206465:0}] [L7290] ldvarg2 = __VERIFIER_nondet_uint () [L7291] CALL ldv_memset((void *)(& ldvarg5), 0, 4UL) VAL [\old(c)=0, \old(n)=4, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, s={36893488147419103236:0}] [L6226] void *tmp ; VAL [\old(c)=0, \old(n)=4, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, n=4, ref_cnt=0, s={36893488147419103236:0}, s={36893488147419103236:0}] [L6228] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, memset(s, c, n)={36893488147419103236:0}, n=4, ref_cnt=0, s={36893488147419103236:0}, s={36893488147419103236:0}] [L6228] tmp = memset(s, c, n) [L6229] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={36893488147419103236:0}, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, n=4, ref_cnt=0, s={36893488147419103236:0}, s={36893488147419103236:0}, tmp={36893488147419103236:0}] [L7291] RET ldv_memset((void *)(& ldvarg5), 0, 4UL) VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg5), 0, 4UL)={36893488147419103236:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg2=24960, ldvarg3={-55340232221128654849:0}, ldvarg4={-36893488147419103233:0}, ldvarg5={36893488147419103236:0}, ldvarg6={36893488147419103233:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-55340232221128654849:0}, tmp___3={36893488147419103233:0}, tmp___4={-73786976294838206465:0}] [L7292] ldv_state_variable_1 = 0 [L7293] ref_cnt = 0 [L7294] ldv_state_variable_0 = 1 [L7295] ldv_state_variable_3 = 0 [L7296] ldv_state_variable_2 = 0 VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg2=24960, ldvarg3={-55340232221128654849:0}, ldvarg4={-36893488147419103233:0}, ldvarg5={36893488147419103236:0}, ldvarg6={36893488147419103233:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-55340232221128654849:0}, tmp___3={36893488147419103233:0}, tmp___4={-73786976294838206465:0}] [L7298] tmp___5 = __VERIFIER_nondet_int() [L7300] case 0: [L7318] case 1: VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg2=24960, ldvarg3={-55340232221128654849:0}, ldvarg4={-36893488147419103233:0}, ldvarg5={36893488147419103236:0}, ldvarg6={36893488147419103233:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-55340232221128654849:0}, tmp___3={36893488147419103233:0}, tmp___4={-73786976294838206465:0}, tmp___5=1] [L7319] COND TRUE ldv_state_variable_0 != 0 [L7320] tmp___7 = __VERIFIER_nondet_int() [L7322] case 0: [L7330] case 1: VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg2=24960, ldvarg3={-55340232221128654849:0}, ldvarg4={-36893488147419103233:0}, ldvarg5={36893488147419103236:0}, ldvarg6={36893488147419103233:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-55340232221128654849:0}, tmp___3={36893488147419103233:0}, tmp___4={-73786976294838206465:0}, tmp___5=1, tmp___7=1] [L7331] COND TRUE ldv_state_variable_0 == 1 [L7332] CALL, EXPR atmtcp_init() [L7216] FCALL register_atm_ioctl(& atmtcp_ioctl_ops) [L7217] return (0); VAL [\result=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L7332] RET, EXPR atmtcp_init() [L7332] ldv_retval_0 = atmtcp_init() [L7333] COND TRUE ldv_retval_0 == 0 [L7334] ldv_state_variable_0 = 3 [L7335] ldv_state_variable_1 = 1 VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg2=24960, ldvarg3={-55340232221128654849:0}, ldvarg4={-36893488147419103233:0}, ldvarg5={36893488147419103236:0}, ldvarg6={36893488147419103233:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-55340232221128654849:0}, tmp___3={36893488147419103233:0}, tmp___4={-73786976294838206465:0}, tmp___5=1, tmp___7=1] [L7338] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg2=24960, ldvarg3={-55340232221128654849:0}, ldvarg4={-36893488147419103233:0}, ldvarg5={36893488147419103236:0}, ldvarg6={36893488147419103233:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-55340232221128654849:0}, tmp___3={36893488147419103233:0}, tmp___4={-73786976294838206465:0}, tmp___5=1, tmp___7=1] [L7298] tmp___5 = __VERIFIER_nondet_int() [L7300] case 0: VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg2=24960, ldvarg3={-55340232221128654849:0}, ldvarg4={-36893488147419103233:0}, ldvarg5={36893488147419103236:0}, ldvarg6={36893488147419103233:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-55340232221128654849:0}, tmp___3={36893488147419103233:0}, tmp___4={-73786976294838206465:0}, tmp___5=0, tmp___7=1] [L7301] COND TRUE ldv_state_variable_1 != 0 [L7302] tmp___6 = __VERIFIER_nondet_int() [L7304] case 0: VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-18446744073709551617:0}, ldvarg1={36893488147419103237:0}, ldvarg2=24960, ldvarg3={-55340232221128654849:0}, ldvarg4={-36893488147419103233:0}, ldvarg5={36893488147419103236:0}, ldvarg6={36893488147419103233:0}, ldvarg7={18446744073709551617:0}, ldvarg8={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-55340232221128654849:0}, tmp___3={36893488147419103233:0}, tmp___4={-73786976294838206465:0}, tmp___5=0, tmp___6=0, tmp___7=1] [L7305] COND TRUE ldv_state_variable_1 == 1 [L7306] EXPR \read(ldvarg1) [L7306] CALL atmtcp_ioctl(ldvarg0, ldvarg2, ldvarg1) [L7169] int err ; [L7170] struct atm_vcc *vcc ; [L7171] struct atm_vcc *tmp ; [L7172] bool tmp___0 ; [L7173] int tmp___1 ; [L7175] err = 0 [L7176] CALL, EXPR ATM_SD(sock) [L6342] struct atm_vcc *tmp ; [L6344] EXPR sock->sk VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, sock={-18446744073709551617:0}, sock={-18446744073709551617:0}, sock->sk={36893488147419103248:36893488147419103239}] [L6344] CALL, EXPR atm_sk(sock->sk) VAL [__this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, sk={36893488147419103248:36893488147419103239}] [L6337] return ((struct atm_vcc *)sk); VAL [\result={36893488147419103248:36893488147419103239}, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, sk={36893488147419103248:36893488147419103239}, sk={36893488147419103248:36893488147419103239}] [L6344] RET, EXPR atm_sk(sock->sk) VAL [__this_module={29:-28}, atm_sk(sock->sk)={36893488147419103248:36893488147419103239}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, sock={-18446744073709551617:0}, sock={-18446744073709551617:0}, sock->sk={36893488147419103248:36893488147419103239}] [L6344] tmp = atm_sk(sock->sk) [L6345] return (tmp); VAL [\result={36893488147419103248:36893488147419103239}, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, sock={-18446744073709551617:0}, sock={-18446744073709551617:0}, tmp={36893488147419103248:36893488147419103239}] [L7176] RET, EXPR ATM_SD(sock) [L7176] tmp = ATM_SD(sock) [L7177] vcc = tmp VAL [\old(arg)=0, \old(cmd)=24960, __this_module={29:-28}, arg=0, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cmd=24960, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, sock={-18446744073709551617:0}, sock={-18446744073709551617:0}, tmp={36893488147419103248:36893488147419103239}, vcc={36893488147419103248:36893488147419103239}] [L7178] COND FALSE !((cmd != 24960U && cmd != 24974U) && cmd != 24975U) [L7182] CALL, EXPR capable(12) [L7680] return __VERIFIER_nondet_bool(); [L7182] RET, EXPR capable(12) [L7182] tmp___0 = capable(12) [L7183] COND TRUE \read(tmp___0) [L7184] tmp___1 = 0 VAL [\old(arg)=0, \old(cmd)=24960, __this_module={29:-28}, arg=0, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cmd=24960, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, sock={-18446744073709551617:0}, sock={-18446744073709551617:0}, tmp={36893488147419103248:36893488147419103239}, tmp___0=1, tmp___1=0, vcc={36893488147419103248:36893488147419103239}] [L7188] COND FALSE !(\read(tmp___1)) [L7193] case 24960U: [L7194] CALL atmtcp_attach(vcc, (int )arg) [L7089] struct atm_dev *dev ; [L7090] int error ; [L7091] struct sock *tmp ; [L7093] dev = (struct atm_dev *)0 VAL [\old(itf)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev={36893488147419103235:0}, itf=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, vcc={36893488147419103248:36893488147419103239}, vcc={36893488147419103248:36893488147419103239}] [L7094] COND TRUE itf != -1 VAL [\old(itf)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev={36893488147419103235:0}, itf=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, vcc={36893488147419103248:36893488147419103239}, vcc={36893488147419103248:36893488147419103239}] [L7095] CALL, EXPR atm_dev_lookup(itf) VAL [\old(arg0)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L7669] CALL, EXPR ldv_malloc(sizeof(struct atm_dev)) VAL [\old(size)=1598, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6181] void *p ; [L6182] void *tmp ; [L6183] int tmp___0 ; [L6185] tmp___0 = __VERIFIER_nondet_int() [L6186] COND FALSE !(tmp___0 != 0) [L6189] tmp = malloc(size) [L6190] p = tmp VAL [\old(size)=1598, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-18446744073709551615:0}, ref_cnt=0, size=1598, tmp={-18446744073709551615:0}, tmp___0=0] [L6191] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6177] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6191] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1598, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-18446744073709551615:0}, ref_cnt=0, size=1598, tmp={-18446744073709551615:0}, tmp___0=0] [L6192] return (p); VAL [\old(size)=1598, \result={-18446744073709551615:0}, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-18446744073709551615:0}, ref_cnt=0, size=1598, tmp={-18446744073709551615:0}, tmp___0=0] [L7669] RET, EXPR ldv_malloc(sizeof(struct atm_dev)) VAL [\old(arg0)=0, __this_module={29:-28}, arg0=0, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct atm_dev))={-18446744073709551615:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L7669] return ldv_malloc(sizeof(struct atm_dev)); [L7095] RET, EXPR atm_dev_lookup(itf) VAL [\old(itf)=0, __this_module={29:-28}, atm_dev_lookup(itf)={-18446744073709551615:0}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev={36893488147419103235:0}, itf=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, vcc={36893488147419103248:36893488147419103239}, vcc={36893488147419103248:36893488147419103239}] [L7095] dev = atm_dev_lookup(itf) [L7098] EXPR \read(*dev) VAL [\old(itf)=0, \read(*dev)={-18446744073709551615:0}, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev={36893488147419103235:0}, itf=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, vcc={36893488147419103248:36893488147419103239}, vcc={36893488147419103248:36893488147419103239}] [L7098] COND TRUE (unsigned long )dev != (unsigned long )((struct atm_dev *)0) [L7099] EXPR \read(*dev) [L7099] EXPR dev->ops VAL [\old(itf)=0, \read(*dev)={-18446744073709551615:0}, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev={36893488147419103235:0}, dev->ops={20:-8}, itf=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, vcc={36893488147419103248:36893488147419103239}, vcc={36893488147419103248:36893488147419103239}] [L7099] COND FALSE !((unsigned long )dev->ops != (unsigned long )((struct atmdev_ops const *)(& atmtcp_v_dev_ops))) [L7104] EXPR \read(*dev) [L7104] EXPR dev->dev_data [L7104] EXPR ((struct atmtcp_dev_data *)dev->dev_data)->vcc VAL [((struct atmtcp_dev_data *)dev->dev_data)->vcc={-20:21}, \old(itf)=0, \read(*dev)={-18446744073709551615:0}, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev={36893488147419103235:0}, dev->dev_data={36893488147419103243:36893488147419103244}, itf=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, vcc={36893488147419103248:36893488147419103239}, vcc={36893488147419103248:36893488147419103239}] [L7104] COND TRUE (unsigned long )((struct atmtcp_dev_data *)dev->dev_data)->vcc != (unsigned long )((struct atm_vcc *)0) [L7105] EXPR \read(*dev) VAL [\old(itf)=0, \read(*dev)={-18446744073709551615:0}, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev={36893488147419103235:0}, itf=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, vcc={36893488147419103248:36893488147419103239}, vcc={36893488147419103248:36893488147419103239}] [L7105] CALL atm_dev_put(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6377] int tmp ; [L6378] long tmp___0 ; [L6379] int tmp___1 ; [L6381] CALL, EXPR atomic_dec_and_test(& dev->refcnt) [L6126] char c ; [L6130] return ((int )((signed char )c) != 0); VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, \result=1, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=36893488147419103238, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, v={-18446744073709551615:157}, v={-18446744073709551615:157}] [L6381] RET, EXPR atomic_dec_and_test(& dev->refcnt) [L6381] tmp___1 = atomic_dec_and_test(& dev->refcnt) [L6382] COND TRUE tmp___1 != 0 [L6383] CALL, EXPR constant_test_bit(0L, (unsigned long const volatile *)(& dev->flags)) [L6045] EXPR addr + (unsigned long )(nr >> 6) [L6045] return ((int )((unsigned long )*(addr + (unsigned long )(nr >> 6)) >> ((int )nr & 63)) & 1); [L6383] RET, EXPR constant_test_bit(0L, (unsigned long const volatile *)(& dev->flags)) [L6383] tmp = constant_test_bit(0L, (unsigned long const volatile *)(& dev->flags)) [L6384] CALL, EXPR ldv__builtin_expect(tmp == 0, 0L) VAL [\old(c)=0, \old(exp)=0, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6258] return (exp); VAL [\old(c)=0, \old(exp)=0, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, \result=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=0, exp=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6384] RET, EXPR ldv__builtin_expect(tmp == 0, 0L) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev={-18446744073709551615:0}, dev={-18446744073709551615:0}, ldv__builtin_expect(tmp == 0, 0L)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, tmp=26, tmp___1=1] [L6384] tmp___0 = ldv__builtin_expect(tmp == 0, 0L) [L6385] COND FALSE !(tmp___0 != 0L) [L6392] EXPR dev->ops [L6392] EXPR (dev->ops)->dev_close VAL [(dev->ops)->dev_close={-1:7}, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev={-18446744073709551615:0}, dev={-18446744073709551615:0}, dev->ops={20:-8}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, tmp=26, tmp___0=0, tmp___1=1] [L6392] COND TRUE (unsigned long )(dev->ops)->dev_close != (unsigned long )((void (* )(struct atm_dev * ))0) [L6393] EXPR dev->ops [L6393] EXPR (dev->ops)->dev_close [L6393] CALL (*((dev->ops)->dev_close))(dev) [L6824] struct atm_dev *atmtcp_dev ; [L6825] struct atmtcp_dev_data *dev_data ; [L6827] EXPR vcc->dev_data [L6827] atmtcp_dev = (struct atm_dev *)vcc->dev_data [L6828] EXPR atmtcp_dev->dev_data [L6828] dev_data = (struct atmtcp_dev_data *)atmtcp_dev->dev_data [L6829] dev_data->vcc = (struct atm_vcc *)0 [L6830] EXPR dev_data->persist VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_dev={-18446744073709551615:27}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev_data={36893488147419103247:-14}, dev_data->persist=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, vcc={-18446744073709551615:0}, vcc={-18446744073709551615:0}] [L6830] COND FALSE !(dev_data->persist != 0) [L6834] atmtcp_dev->dev_data = (void *)0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_dev={-18446744073709551615:27}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev_data={36893488147419103247:-14}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, vcc={-18446744073709551615:0}, vcc={-18446744073709551615:0}] [L6835] CALL kfree((void const *)dev_data) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, p={36893488147419103247:-14}, ref_cnt=0] [L6835] RET kfree((void const *)dev_data) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_dev={-18446744073709551615:27}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev_data={36893488147419103247:-14}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, vcc={-18446744073709551615:0}, vcc={-18446744073709551615:0}] [L6836] CALL ldv_atm_dev_deregister_5(atmtcp_dev) [L7476] FCALL atm_dev_deregister(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, ldv_func_arg1={-18446744073709551615:27}, ldv_func_arg1={-18446744073709551615:27}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L7477] ldv_state_variable_3 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, ldv_func_arg1={-18446744073709551615:27}, ldv_func_arg1={-18446744073709551615:27}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6836] RET ldv_atm_dev_deregister_5(atmtcp_dev) [L6837] vcc->dev_data = (void *)0 [L6838] CALL ldv_module_put_6(& __this_module) [L7484] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, module={29:-28}, ref_cnt=0] [L7596] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, module={29:-28}, module={29:-28}, ref_cnt=0] [L7597] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, module={29:-28}, module={29:-28}, ref_cnt=0] [L7598] CALL ldv_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L7526] reach_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={29:-28}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 626 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 402.4s, OverallIterations: 20, TraceHistogramMax: 12, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.1s, AutomataDifference: 339.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 81 mSolverCounterUnknown, 18475 SdHoareTripleChecker+Valid, 316.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17583 mSDsluCounter, 93747 SdHoareTripleChecker+Invalid, 304.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80928 mSDsCounter, 9755 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43656 IncrementalHoareTripleChecker+Invalid, 53492 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9755 mSolverCounterUnsat, 12819 mSDtfsCounter, 43656 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4466 GetRequests, 4010 SyntacticMatches, 19 SemanticMatches, 437 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3165 ImplicationChecksByTransitivity, 29.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2325occurred in iteration=3, InterpolantAutomatonStates: 278, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 11456 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 13.8s SatisfiabilityAnalysisTime, 37.5s InterpolantComputationTime, 5419 NumberOfCodeBlocks, 5328 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 6640 ConstructedInterpolants, 0 QuantifiedInterpolants, 12404 SizeOfPredicates, 23 NumberOfNonLiveVariables, 17039 ConjunctsInSsa, 168 ConjunctsInUnsatCore, 34 InterpolantComputations, 12 PerfectInterpolantSequences, 8301/8940 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 18:43:16,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R --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 e6823a3e354b35bf05bec5e81d72dc7306859bf56793457624e681693cebdf0b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:43:18,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:43:18,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:43:18,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:43:18,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:43:18,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:43:18,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:43:18,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:43:18,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:43:18,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:43:18,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:43:18,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:43:18,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:43:18,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:43:18,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:43:18,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:43:18,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:43:18,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:43:18,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:43:18,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:43:18,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:43:18,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:43:18,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:43:18,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:43:18,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:43:18,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:43:18,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:43:18,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:43:18,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:43:18,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:43:18,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:43:18,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:43:18,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:43:18,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:43:18,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:43:18,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:43:18,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:43:18,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:43:18,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:43:18,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:43:18,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:43:18,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 18:43:18,799 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:43:18,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:43:18,800 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:43:18,801 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:43:18,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:43:18,802 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:43:18,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:43:18,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:43:18,803 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:43:18,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:43:18,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:43:18,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:43:18,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:43:18,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:43:18,805 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:43:18,806 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 18:43:18,806 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 18:43:18,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:43:18,806 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:43:18,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:43:18,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:43:18,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:43:18,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:43:18,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:43:18,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:43:18,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:43:18,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:43:18,808 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 18:43:18,809 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 18:43:18,809 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:43:18,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:43:18,809 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:43:18,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:43:18,810 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 18:43:18,810 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_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6823a3e354b35bf05bec5e81d72dc7306859bf56793457624e681693cebdf0b [2022-11-25 18:43:19,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:43:19,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:43:19,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:43:19,217 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:43:19,217 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:43:19,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2022-11-25 18:43:22,397 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:43:23,016 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:43:23,017 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2022-11-25 18:43:23,050 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/data/16fb08ce8/b0e7526fe22a4a8ea1b66fb0673ec146/FLAGa42b4c858 [2022-11-25 18:43:23,072 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/data/16fb08ce8/b0e7526fe22a4a8ea1b66fb0673ec146 [2022-11-25 18:43:23,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:43:23,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:43:23,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:43:23,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:43:23,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:43:23,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:43:23" (1/1) ... [2022-11-25 18:43:23,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7faa5535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:23, skipping insertion in model container [2022-11-25 18:43:23,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:43:23" (1/1) ... [2022-11-25 18:43:23,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:43:23,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:43:23,927 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 18:43:23,985 WARN L623 FunctionHandler]: Unknown extern function ktime_get_with_offset [2022-11-25 18:43:24,028 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:24,121 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 18:43:24,127 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 18:43:24,128 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 18:43:24,145 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 18:43:24,178 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 18:43:24,239 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-11-25 18:43:24,275 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:24,276 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:43:24,299 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 18:43:24,302 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 18:43:24,303 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 18:43:24,312 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 18:43:24,313 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 18:43:24,332 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:43:24,334 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 18:43:24,415 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock [2022-11-25 18:43:24,422 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock [2022-11-25 18:43:24,428 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock [2022-11-25 18:43:24,435 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:24,440 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:24,442 WARN L623 FunctionHandler]: Unknown extern function atm_alloc_charge [2022-11-25 18:43:24,446 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:24,447 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:43:24,451 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:43:24,455 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:24,467 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:43:24,469 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:43:24,480 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:43:24,499 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock [2022-11-25 18:43:24,500 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock [2022-11-25 18:43:24,501 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 18:43:24,501 WARN L623 FunctionHandler]: Unknown extern function atm_alloc_charge [2022-11-25 18:43:24,503 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:43:24,509 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:24,534 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:43:24,545 WARN L623 FunctionHandler]: Unknown extern function atm_dev_lookup [2022-11-25 18:43:24,550 WARN L623 FunctionHandler]: Unknown extern function vcc_insert_socket [2022-11-25 18:43:24,551 WARN L623 FunctionHandler]: Unknown extern function atm_init_aal5 [2022-11-25 18:43:24,560 WARN L623 FunctionHandler]: Unknown extern function atm_dev_lookup [2022-11-25 18:43:24,561 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:43:24,569 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 18:43:24,576 WARN L623 FunctionHandler]: Unknown extern function register_atm_ioctl [2022-11-25 18:43:24,581 WARN L623 FunctionHandler]: Unknown extern function deregister_atm_ioctl [2022-11-25 18:43:24,596 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:43:24,616 WARN L623 FunctionHandler]: Unknown extern function ldv_open_2 [2022-11-25 18:43:24,617 WARN L623 FunctionHandler]: Unknown extern function atm_dev_deregister [2022-11-25 18:43:24,618 WARN L623 FunctionHandler]: Unknown extern function atm_dev_register [2022-11-25 18:43:24,624 WARN L623 FunctionHandler]: Unknown extern function atm_dev_deregister [2022-11-25 18:43:24,629 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_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i[225078,225091] [2022-11-25 18:43:24,665 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:24,666 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:24,669 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:24,670 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:24,670 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:24,676 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-25 18:43:24,677 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:24,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:43:24,751 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 18:43:24,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:43:25,031 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 18:43:25,050 WARN L623 FunctionHandler]: Unknown extern function ktime_get_with_offset [2022-11-25 18:43:25,052 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:25,058 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 18:43:25,059 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 18:43:25,060 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 18:43:25,060 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 18:43:25,066 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 18:43:25,082 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-11-25 18:43:25,087 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:25,088 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:43:25,100 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 18:43:25,102 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 18:43:25,103 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 18:43:25,105 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 18:43:25,105 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 18:43:25,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:43:25,115 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 18:43:25,136 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock [2022-11-25 18:43:25,140 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock [2022-11-25 18:43:25,148 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock [2022-11-25 18:43:25,150 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:25,151 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:25,152 WARN L623 FunctionHandler]: Unknown extern function atm_alloc_charge [2022-11-25 18:43:25,153 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:25,154 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:43:25,156 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:43:25,157 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:25,158 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:43:25,160 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:43:25,161 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:43:25,165 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock [2022-11-25 18:43:25,166 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock [2022-11-25 18:43:25,166 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 18:43:25,167 WARN L623 FunctionHandler]: Unknown extern function atm_alloc_charge [2022-11-25 18:43:25,167 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:43:25,168 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:25,177 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:43:25,178 WARN L623 FunctionHandler]: Unknown extern function atm_dev_lookup [2022-11-25 18:43:25,181 WARN L623 FunctionHandler]: Unknown extern function vcc_insert_socket [2022-11-25 18:43:25,181 WARN L623 FunctionHandler]: Unknown extern function atm_init_aal5 [2022-11-25 18:43:25,184 WARN L623 FunctionHandler]: Unknown extern function atm_dev_lookup [2022-11-25 18:43:25,185 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:43:25,186 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 18:43:25,188 WARN L623 FunctionHandler]: Unknown extern function register_atm_ioctl [2022-11-25 18:43:25,188 WARN L623 FunctionHandler]: Unknown extern function deregister_atm_ioctl [2022-11-25 18:43:25,191 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:43:25,196 WARN L623 FunctionHandler]: Unknown extern function ldv_open_2 [2022-11-25 18:43:25,197 WARN L623 FunctionHandler]: Unknown extern function atm_dev_deregister [2022-11-25 18:43:25,198 WARN L623 FunctionHandler]: Unknown extern function atm_dev_register [2022-11-25 18:43:25,199 WARN L623 FunctionHandler]: Unknown extern function atm_dev_deregister [2022-11-25 18:43:25,200 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_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i[225078,225091] [2022-11-25 18:43:25,207 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:25,208 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:25,210 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:25,211 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:25,211 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:25,213 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-25 18:43:25,219 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:25,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:43:25,255 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:43:25,528 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 18:43:25,530 WARN L623 FunctionHandler]: Unknown extern function ktime_get_with_offset [2022-11-25 18:43:25,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:25,550 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 18:43:25,551 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 18:43:25,552 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 18:43:25,552 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 18:43:25,555 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 18:43:25,569 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-11-25 18:43:25,599 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:25,611 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:43:25,632 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 18:43:25,635 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 18:43:25,635 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 18:43:25,636 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 18:43:25,636 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 18:43:25,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:43:25,650 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 18:43:25,674 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock [2022-11-25 18:43:25,676 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock [2022-11-25 18:43:25,695 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock [2022-11-25 18:43:25,701 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:25,706 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:25,717 WARN L623 FunctionHandler]: Unknown extern function atm_alloc_charge [2022-11-25 18:43:25,721 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:25,722 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:43:25,724 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:43:25,729 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:25,734 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:43:25,735 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:43:25,736 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:43:25,740 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock [2022-11-25 18:43:25,741 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock [2022-11-25 18:43:25,741 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 18:43:25,742 WARN L623 FunctionHandler]: Unknown extern function atm_alloc_charge [2022-11-25 18:43:25,742 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:43:25,765 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:43:25,771 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:43:25,772 WARN L623 FunctionHandler]: Unknown extern function atm_dev_lookup [2022-11-25 18:43:25,829 WARN L623 FunctionHandler]: Unknown extern function vcc_insert_socket [2022-11-25 18:43:25,829 WARN L623 FunctionHandler]: Unknown extern function atm_init_aal5 [2022-11-25 18:43:25,846 WARN L623 FunctionHandler]: Unknown extern function atm_dev_lookup [2022-11-25 18:43:25,847 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:43:25,848 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 18:43:25,851 WARN L623 FunctionHandler]: Unknown extern function register_atm_ioctl [2022-11-25 18:43:25,851 WARN L623 FunctionHandler]: Unknown extern function deregister_atm_ioctl [2022-11-25 18:43:25,853 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:43:25,857 WARN L623 FunctionHandler]: Unknown extern function ldv_open_2 [2022-11-25 18:43:25,859 WARN L623 FunctionHandler]: Unknown extern function atm_dev_deregister [2022-11-25 18:43:25,865 WARN L623 FunctionHandler]: Unknown extern function atm_dev_register [2022-11-25 18:43:25,866 WARN L623 FunctionHandler]: Unknown extern function atm_dev_deregister [2022-11-25 18:43:25,867 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_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i[225078,225091] [2022-11-25 18:43:25,870 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:25,871 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:25,872 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:25,882 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:25,882 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:25,883 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-25 18:43:25,884 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:43:25,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:43:25,978 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:43:25,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:25 WrapperNode [2022-11-25 18:43:25,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:43:25,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:43:25,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:43:25,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:43:25,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:25" (1/1) ... [2022-11-25 18:43:26,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:25" (1/1) ... [2022-11-25 18:43:26,224 INFO L138 Inliner]: procedures = 155, calls = 1103, calls flagged for inlining = 57, calls inlined = 55, statements flattened = 2393 [2022-11-25 18:43:26,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:43:26,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:43:26,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:43:26,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:43:26,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:25" (1/1) ... [2022-11-25 18:43:26,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:25" (1/1) ... [2022-11-25 18:43:26,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:25" (1/1) ... [2022-11-25 18:43:26,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:25" (1/1) ... [2022-11-25 18:43:26,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:25" (1/1) ... [2022-11-25 18:43:26,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:25" (1/1) ... [2022-11-25 18:43:26,422 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:25" (1/1) ... [2022-11-25 18:43:26,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:25" (1/1) ... [2022-11-25 18:43:26,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:43:26,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:43:26,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:43:26,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:43:26,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:25" (1/1) ... [2022-11-25 18:43:26,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:43:26,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:43:26,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:43:26,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:43:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure atm_sk [2022-11-25 18:43:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_sk [2022-11-25 18:43:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-25 18:43:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-11-25 18:43:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-11-25 18:43:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure change_bit [2022-11-25 18:43:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure change_bit [2022-11-25 18:43:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure atm_alloc_charge [2022-11-25 18:43:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_alloc_charge [2022-11-25 18:43:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-25 18:43:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-25 18:43:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 18:43:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 18:43:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-25 18:43:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 18:43:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 18:43:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 18:43:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 18:43:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 18:43:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-25 18:43:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-25 18:43:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 18:43:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 18:43:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 18:43:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 18:43:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 18:43:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 18:43:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2022-11-25 18:43:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2022-11-25 18:43:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-25 18:43:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-25 18:43:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_ioctl [2022-11-25 18:43:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_ioctl [2022-11-25 18:43:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 18:43:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 18:43:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 18:43:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 18:43:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-25 18:43:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-25 18:43:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-25 18:43:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-25 18:43:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 18:43:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 18:43:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 18:43:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 18:43:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 18:43:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 18:43:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_dev_close [2022-11-25 18:43:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_dev_close [2022-11-25 18:43:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-25 18:43:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-25 18:43:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 18:43:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 18:43:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:43:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-25 18:43:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-25 18:43:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2022-11-25 18:43:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2022-11-25 18:43:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:43:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-25 18:43:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-25 18:43:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_c_send [2022-11-25 18:43:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_c_send [2022-11-25 18:43:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 18:43:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 18:43:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:43:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:43:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 18:43:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-25 18:43:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-25 18:43:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-25 18:43:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:43:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 18:43:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_create [2022-11-25 18:43:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_create [2022-11-25 18:43:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_c_close [2022-11-25 18:43:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_c_close [2022-11-25 18:43:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_deregister [2022-11-25 18:43:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_deregister [2022-11-25 18:43:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-25 18:43:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-25 18:43:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-25 18:43:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:43:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 18:43:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 18:43:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_close [2022-11-25 18:43:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_close [2022-11-25 18:43:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 18:43:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-25 18:43:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-25 18:43:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 18:43:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 18:43:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_put [2022-11-25 18:43:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_put [2022-11-25 18:43:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-25 18:43:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-25 18:43:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_lookup [2022-11-25 18:43:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_lookup [2022-11-25 18:43:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 18:43:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 18:43:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-25 18:43:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_send [2022-11-25 18:43:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_send [2022-11-25 18:43:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 18:43:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 18:43:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_send_control [2022-11-25 18:43:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_send_control [2022-11-25 18:43:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2022-11-25 18:43:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2022-11-25 18:43:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:43:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:43:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2022-11-25 18:43:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2022-11-25 18:43:27,114 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:43:27,124 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:43:33,050 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 18:43:56,328 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:43:56,343 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:43:56,343 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:43:56,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:43:56 BoogieIcfgContainer [2022-11-25 18:43:56,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:43:56,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:43:56,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:43:56,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:43:56,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:43:23" (1/3) ... [2022-11-25 18:43:56,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43489d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:43:56, skipping insertion in model container [2022-11-25 18:43:56,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:25" (2/3) ... [2022-11-25 18:43:56,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43489d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:43:56, skipping insertion in model container [2022-11-25 18:43:56,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:43:56" (3/3) ... [2022-11-25 18:43:56,360 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2022-11-25 18:43:56,378 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:43:56,378 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:43:56,465 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:43:56,479 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;@52642211, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:43:56,479 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:43:56,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 625 states, 447 states have (on average 1.342281879194631) internal successors, (600), 464 states have internal predecessors, (600), 137 states have call successors, (137), 40 states have call predecessors, (137), 39 states have return successors, (132), 129 states have call predecessors, (132), 132 states have call successors, (132) [2022-11-25 18:43:56,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-25 18:43:56,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:43:56,507 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:43:56,508 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:43:56,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:43:56,513 INFO L85 PathProgramCache]: Analyzing trace with hash 653302310, now seen corresponding path program 1 times [2022-11-25 18:43:56,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:43:56,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2089661051] [2022-11-25 18:43:56,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:43:56,531 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:43:56,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:43:56,537 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:43:56,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 18:43:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:43:57,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 1345 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 18:43:57,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:43:58,070 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-25 18:43:58,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:43:58,071 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:43:58,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2089661051] [2022-11-25 18:43:58,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2089661051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:43:58,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:43:58,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:43:58,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661739874] [2022-11-25 18:43:58,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:43:58,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:43:58,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:43:58,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:43:58,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:43:58,112 INFO L87 Difference]: Start difference. First operand has 625 states, 447 states have (on average 1.342281879194631) internal successors, (600), 464 states have internal predecessors, (600), 137 states have call successors, (137), 40 states have call predecessors, (137), 39 states have return successors, (132), 129 states have call predecessors, (132), 132 states have call successors, (132) Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-25 18:43:58,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:43:58,967 INFO L93 Difference]: Finished difference Result 1251 states and 1782 transitions. [2022-11-25 18:43:58,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:43:58,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 133 [2022-11-25 18:43:58,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:43:59,004 INFO L225 Difference]: With dead ends: 1251 [2022-11-25 18:43:59,004 INFO L226 Difference]: Without dead ends: 613 [2022-11-25 18:43:59,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:43:59,021 INFO L413 NwaCegarLoop]: 859 mSDtfsCounter, 6 mSDsluCounter, 3420 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4279 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:43:59,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4279 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 18:43:59,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2022-11-25 18:43:59,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 613. [2022-11-25 18:43:59,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 442 states have (on average 1.3257918552036199) internal successors, (586), 452 states have internal predecessors, (586), 132 states have call successors, (132), 39 states have call predecessors, (132), 38 states have return successors, (130), 127 states have call predecessors, (130), 130 states have call successors, (130) [2022-11-25 18:43:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 848 transitions. [2022-11-25 18:43:59,171 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 848 transitions. Word has length 133 [2022-11-25 18:43:59,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:43:59,173 INFO L495 AbstractCegarLoop]: Abstraction has 613 states and 848 transitions. [2022-11-25 18:43:59,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-25 18:43:59,174 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 848 transitions. [2022-11-25 18:43:59,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-25 18:43:59,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:43:59,178 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:43:59,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:43:59,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:43:59,400 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:43:59,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:43:59,401 INFO L85 PathProgramCache]: Analyzing trace with hash 551984542, now seen corresponding path program 1 times [2022-11-25 18:43:59,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:43:59,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783838199] [2022-11-25 18:43:59,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:43:59,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:43:59,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:43:59,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:43:59,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 18:44:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:44:00,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 1367 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:44:00,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:44:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-11-25 18:44:01,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:44:03,006 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-25 18:44:03,006 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:44:03,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783838199] [2022-11-25 18:44:03,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783838199] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:44:03,006 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:44:03,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-11-25 18:44:03,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410423348] [2022-11-25 18:44:03,007 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:44:03,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 18:44:03,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:44:03,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 18:44:03,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:44:03,010 INFO L87 Difference]: Start difference. First operand 613 states and 848 transitions. Second operand has 11 states, 9 states have (on average 6.444444444444445) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2022-11-25 18:44:04,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:44:04,620 INFO L93 Difference]: Finished difference Result 1221 states and 1698 transitions. [2022-11-25 18:44:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:44:04,622 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.444444444444445) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 135 [2022-11-25 18:44:04,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:44:04,627 INFO L225 Difference]: With dead ends: 1221 [2022-11-25 18:44:04,628 INFO L226 Difference]: Without dead ends: 619 [2022-11-25 18:44:04,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-11-25 18:44:04,632 INFO L413 NwaCegarLoop]: 843 mSDtfsCounter, 7 mSDsluCounter, 7542 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 8385 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:44:04,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 8385 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 18:44:04,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2022-11-25 18:44:04,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2022-11-25 18:44:04,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 446 states have (on average 1.3228699551569507) internal successors, (590), 456 states have internal predecessors, (590), 133 states have call successors, (133), 40 states have call predecessors, (133), 39 states have return successors, (131), 128 states have call predecessors, (131), 131 states have call successors, (131) [2022-11-25 18:44:04,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 854 transitions. [2022-11-25 18:44:04,666 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 854 transitions. Word has length 135 [2022-11-25 18:44:04,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:44:04,667 INFO L495 AbstractCegarLoop]: Abstraction has 619 states and 854 transitions. [2022-11-25 18:44:04,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.444444444444445) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2022-11-25 18:44:04,668 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 854 transitions. [2022-11-25 18:44:04,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-25 18:44:04,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:44:04,671 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:44:04,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:44:04,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:04,896 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:44:04,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:44:04,896 INFO L85 PathProgramCache]: Analyzing trace with hash -784279514, now seen corresponding path program 2 times [2022-11-25 18:44:04,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:44:04,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549148704] [2022-11-25 18:44:04,898 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:44:04,898 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:04,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:44:04,900 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:44:04,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 18:44:05,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-25 18:44:05,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:44:05,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:44:05,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:44:08,759 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-25 18:44:08,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:44:08,760 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:44:08,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549148704] [2022-11-25 18:44:08,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549148704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:44:08,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:44:08,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:44:08,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298716160] [2022-11-25 18:44:08,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:44:08,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:44:08,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:44:08,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:44:08,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:44:08,764 INFO L87 Difference]: Start difference. First operand 619 states and 854 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-25 18:44:08,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:44:08,936 INFO L93 Difference]: Finished difference Result 1797 states and 2493 transitions. [2022-11-25 18:44:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:44:08,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 137 [2022-11-25 18:44:08,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:44:08,950 INFO L225 Difference]: With dead ends: 1797 [2022-11-25 18:44:08,950 INFO L226 Difference]: Without dead ends: 1203 [2022-11-25 18:44:08,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:44:08,956 INFO L413 NwaCegarLoop]: 1118 mSDtfsCounter, 784 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 1928 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:44:08,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 1928 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:44:08,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2022-11-25 18:44:09,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1200. [2022-11-25 18:44:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1200 states, 869 states have (on average 1.327963176064442) internal successors, (1154), 888 states have internal predecessors, (1154), 254 states have call successors, (254), 77 states have call predecessors, (254), 76 states have return successors, (252), 246 states have call predecessors, (252), 252 states have call successors, (252) [2022-11-25 18:44:09,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1660 transitions. [2022-11-25 18:44:09,041 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1660 transitions. Word has length 137 [2022-11-25 18:44:09,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:44:09,042 INFO L495 AbstractCegarLoop]: Abstraction has 1200 states and 1660 transitions. [2022-11-25 18:44:09,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-25 18:44:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1660 transitions. [2022-11-25 18:44:09,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-25 18:44:09,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:44:09,050 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:44:09,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:44:09,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:09,263 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:44:09,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:44:09,263 INFO L85 PathProgramCache]: Analyzing trace with hash -122962978, now seen corresponding path program 1 times [2022-11-25 18:44:09,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:44:09,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [668422171] [2022-11-25 18:44:09,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:44:09,265 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:09,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:44:09,266 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:44:09,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-25 18:44:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:44:10,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 1470 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 18:44:10,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:44:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-25 18:44:10,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:44:13,608 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-11-25 18:44:13,608 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:44:13,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [668422171] [2022-11-25 18:44:13,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [668422171] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:44:13,609 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:44:13,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-11-25 18:44:13,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280637214] [2022-11-25 18:44:13,610 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:44:13,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 18:44:13,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:44:13,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 18:44:13,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:44:13,612 INFO L87 Difference]: Start difference. First operand 1200 states and 1660 transitions. Second operand has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 13 states have internal predecessors, (75), 4 states have call successors, (22), 2 states have call predecessors, (22), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-25 18:44:15,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:44:15,442 INFO L93 Difference]: Finished difference Result 2391 states and 3328 transitions. [2022-11-25 18:44:15,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 18:44:15,444 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 13 states have internal predecessors, (75), 4 states have call successors, (22), 2 states have call predecessors, (22), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 154 [2022-11-25 18:44:15,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:44:15,452 INFO L225 Difference]: With dead ends: 2391 [2022-11-25 18:44:15,452 INFO L226 Difference]: Without dead ends: 1202 [2022-11-25 18:44:15,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-11-25 18:44:15,464 INFO L413 NwaCegarLoop]: 843 mSDtfsCounter, 9 mSDsluCounter, 5869 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 6712 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:44:15,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 6712 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 18:44:15,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2022-11-25 18:44:15,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1202. [2022-11-25 18:44:15,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1202 states, 871 states have (on average 1.3272101033295063) internal successors, (1156), 890 states have internal predecessors, (1156), 254 states have call successors, (254), 77 states have call predecessors, (254), 76 states have return successors, (252), 246 states have call predecessors, (252), 252 states have call successors, (252) [2022-11-25 18:44:15,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1662 transitions. [2022-11-25 18:44:15,535 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1662 transitions. Word has length 154 [2022-11-25 18:44:15,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:44:15,537 INFO L495 AbstractCegarLoop]: Abstraction has 1202 states and 1662 transitions. [2022-11-25 18:44:15,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 13 states have internal predecessors, (75), 4 states have call successors, (22), 2 states have call predecessors, (22), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-25 18:44:15,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1662 transitions. [2022-11-25 18:44:15,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-25 18:44:15,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:44:15,542 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:44:15,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-25 18:44:15,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:15,755 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:44:15,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:44:15,755 INFO L85 PathProgramCache]: Analyzing trace with hash 865547622, now seen corresponding path program 2 times [2022-11-25 18:44:15,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:44:15,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874288893] [2022-11-25 18:44:15,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:44:15,757 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:15,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:44:15,759 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:44:15,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-25 18:44:16,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-25 18:44:16,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:44:16,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 1153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:44:16,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:44:16,865 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-11-25 18:44:16,866 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:44:16,866 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:44:16,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874288893] [2022-11-25 18:44:16,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874288893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:44:16,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:44:16,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:44:16,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630723498] [2022-11-25 18:44:16,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:44:16,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:44:16,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:44:16,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:44:16,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:44:16,869 INFO L87 Difference]: Start difference. First operand 1202 states and 1662 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 18:44:17,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:44:17,116 INFO L93 Difference]: Finished difference Result 2201 states and 3027 transitions. [2022-11-25 18:44:17,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:44:17,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 156 [2022-11-25 18:44:17,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:44:17,124 INFO L225 Difference]: With dead ends: 2201 [2022-11-25 18:44:17,124 INFO L226 Difference]: Without dead ends: 1028 [2022-11-25 18:44:17,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:44:17,129 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 709 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:44:17,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [709 Valid, 715 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:44:17,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2022-11-25 18:44:17,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 1028. [2022-11-25 18:44:17,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 747 states have (on average 1.319946452476573) internal successors, (986), 760 states have internal predecessors, (986), 208 states have call successors, (208), 73 states have call predecessors, (208), 72 states have return successors, (206), 202 states have call predecessors, (206), 206 states have call successors, (206) [2022-11-25 18:44:17,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1400 transitions. [2022-11-25 18:44:17,190 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1400 transitions. Word has length 156 [2022-11-25 18:44:17,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:44:17,191 INFO L495 AbstractCegarLoop]: Abstraction has 1028 states and 1400 transitions. [2022-11-25 18:44:17,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 18:44:17,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1400 transitions. [2022-11-25 18:44:17,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-25 18:44:17,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:44:17,195 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:44:17,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-25 18:44:17,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:17,411 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:44:17,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:44:17,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1850370297, now seen corresponding path program 1 times [2022-11-25 18:44:17,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:44:17,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038033440] [2022-11-25 18:44:17,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:44:17,413 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:17,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:44:17,414 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:44:17,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-25 18:44:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:44:18,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 1561 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 18:44:18,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:44:19,229 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-11-25 18:44:19,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:44:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-25 18:44:22,633 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:44:22,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2038033440] [2022-11-25 18:44:22,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2038033440] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:44:22,633 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:44:22,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-11-25 18:44:22,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599100179] [2022-11-25 18:44:22,634 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:44:22,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-25 18:44:22,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:44:22,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-25 18:44:22,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-11-25 18:44:22,636 INFO L87 Difference]: Start difference. First operand 1028 states and 1400 transitions. Second operand has 15 states, 13 states have (on average 7.461538461538462) internal successors, (97), 15 states have internal predecessors, (97), 4 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-25 18:44:24,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:44:24,840 INFO L93 Difference]: Finished difference Result 2047 states and 2808 transitions. [2022-11-25 18:44:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 18:44:24,842 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 7.461538461538462) internal successors, (97), 15 states have internal predecessors, (97), 4 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 173 [2022-11-25 18:44:24,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:44:24,848 INFO L225 Difference]: With dead ends: 2047 [2022-11-25 18:44:24,848 INFO L226 Difference]: Without dead ends: 1030 [2022-11-25 18:44:24,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2022-11-25 18:44:24,853 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 7 mSDsluCounter, 6366 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 7078 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:44:24,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 7078 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 18:44:24,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2022-11-25 18:44:24,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 1030. [2022-11-25 18:44:24,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 749 states have (on average 1.3190921228304406) internal successors, (988), 762 states have internal predecessors, (988), 208 states have call successors, (208), 73 states have call predecessors, (208), 72 states have return successors, (206), 202 states have call predecessors, (206), 206 states have call successors, (206) [2022-11-25 18:44:24,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1402 transitions. [2022-11-25 18:44:24,907 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1402 transitions. Word has length 173 [2022-11-25 18:44:24,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:44:24,907 INFO L495 AbstractCegarLoop]: Abstraction has 1030 states and 1402 transitions. [2022-11-25 18:44:24,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 7.461538461538462) internal successors, (97), 15 states have internal predecessors, (97), 4 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-25 18:44:24,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1402 transitions. [2022-11-25 18:44:24,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-25 18:44:24,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:44:24,911 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:44:24,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-25 18:44:25,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:25,125 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:44:25,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:44:25,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1083564159, now seen corresponding path program 2 times [2022-11-25 18:44:25,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:44:25,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [441754389] [2022-11-25 18:44:25,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:44:25,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:25,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:44:25,129 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:44:25,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-25 18:44:25,793 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-25 18:44:25,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:44:25,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:44:25,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:44:26,553 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2022-11-25 18:44:26,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:44:26,554 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:44:26,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [441754389] [2022-11-25 18:44:26,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [441754389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:44:26,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:44:26,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:44:26,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268290947] [2022-11-25 18:44:26,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:44:26,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:44:26,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:44:26,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:44:26,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:44:26,557 INFO L87 Difference]: Start difference. First operand 1030 states and 1402 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 18:44:26,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:44:26,956 INFO L93 Difference]: Finished difference Result 3021 states and 4119 transitions. [2022-11-25 18:44:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:44:26,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 175 [2022-11-25 18:44:26,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:44:26,969 INFO L225 Difference]: With dead ends: 3021 [2022-11-25 18:44:26,969 INFO L226 Difference]: Without dead ends: 2020 [2022-11-25 18:44:26,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:44:26,975 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 636 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 1562 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:44:26,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 1562 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 18:44:26,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2020 states. [2022-11-25 18:44:27,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2020 to 2016. [2022-11-25 18:44:27,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2016 states, 1469 states have (on average 1.3206262763784888) internal successors, (1940), 1494 states have internal predecessors, (1940), 404 states have call successors, (404), 143 states have call predecessors, (404), 142 states have return successors, (402), 394 states have call predecessors, (402), 402 states have call successors, (402) [2022-11-25 18:44:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 2016 states and 2746 transitions. [2022-11-25 18:44:27,139 INFO L78 Accepts]: Start accepts. Automaton has 2016 states and 2746 transitions. Word has length 175 [2022-11-25 18:44:27,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:44:27,140 INFO L495 AbstractCegarLoop]: Abstraction has 2016 states and 2746 transitions. [2022-11-25 18:44:27,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 18:44:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 2746 transitions. [2022-11-25 18:44:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-25 18:44:27,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:44:27,146 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:44:27,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-25 18:44:27,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:27,367 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:44:27,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:44:27,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1216301736, now seen corresponding path program 1 times [2022-11-25 18:44:27,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:44:27,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [50933228] [2022-11-25 18:44:27,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:44:27,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:27,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:44:27,371 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:44:27,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-25 18:44:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:44:28,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 1645 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:44:28,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:44:29,485 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-25 18:44:29,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:44:33,416 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-25 18:44:33,417 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:44:33,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [50933228] [2022-11-25 18:44:33,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [50933228] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:44:33,417 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:44:33,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-11-25 18:44:33,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622484816] [2022-11-25 18:44:33,418 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:44:33,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-25 18:44:33,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:44:33,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-25 18:44:33,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-11-25 18:44:33,420 INFO L87 Difference]: Start difference. First operand 2016 states and 2746 transitions. Second operand has 17 states, 15 states have (on average 6.8) internal successors, (102), 17 states have internal predecessors, (102), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-25 18:44:36,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:44:36,576 INFO L93 Difference]: Finished difference Result 4032 states and 5533 transitions. [2022-11-25 18:44:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 18:44:36,577 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 6.8) internal successors, (102), 17 states have internal predecessors, (102), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 182 [2022-11-25 18:44:36,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:44:36,595 INFO L225 Difference]: With dead ends: 4032 [2022-11-25 18:44:36,595 INFO L226 Difference]: Without dead ends: 2028 [2022-11-25 18:44:36,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-11-25 18:44:36,606 INFO L413 NwaCegarLoop]: 713 mSDtfsCounter, 14 mSDsluCounter, 6370 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 7083 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:44:36,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 7083 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 18:44:36,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2028 states. [2022-11-25 18:44:36,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2028 to 2028. [2022-11-25 18:44:36,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2028 states, 1480 states have (on average 1.318918918918919) internal successors, (1952), 1505 states have internal predecessors, (1952), 404 states have call successors, (404), 144 states have call predecessors, (404), 143 states have return successors, (402), 394 states have call predecessors, (402), 402 states have call successors, (402) [2022-11-25 18:44:36,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 2028 states and 2758 transitions. [2022-11-25 18:44:36,728 INFO L78 Accepts]: Start accepts. Automaton has 2028 states and 2758 transitions. Word has length 182 [2022-11-25 18:44:36,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:44:36,731 INFO L495 AbstractCegarLoop]: Abstraction has 2028 states and 2758 transitions. [2022-11-25 18:44:36,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 6.8) internal successors, (102), 17 states have internal predecessors, (102), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-25 18:44:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2758 transitions. [2022-11-25 18:44:36,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-25 18:44:36,737 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:44:36,737 INFO L195 NwaCegarLoop]: trace histogram [9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:44:36,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-25 18:44:36,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:36,951 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:44:36,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:44:36,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1013021780, now seen corresponding path program 2 times [2022-11-25 18:44:36,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:44:36,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1210792669] [2022-11-25 18:44:36,952 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:44:36,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:36,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:44:36,953 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:44:36,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-25 18:44:37,754 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-25 18:44:37,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:44:37,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:44:37,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:44:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-11-25 18:44:37,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:44:37,899 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:44:37,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1210792669] [2022-11-25 18:44:37,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1210792669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:44:37,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:44:37,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:44:37,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767779975] [2022-11-25 18:44:37,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:44:37,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:44:37,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:44:37,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:44:37,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:44:37,902 INFO L87 Difference]: Start difference. First operand 2028 states and 2758 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 18:44:38,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:44:38,355 INFO L93 Difference]: Finished difference Result 5456 states and 7431 transitions. [2022-11-25 18:44:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:44:38,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 183 [2022-11-25 18:44:38,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:44:38,381 INFO L225 Difference]: With dead ends: 5456 [2022-11-25 18:44:38,382 INFO L226 Difference]: Without dead ends: 3461 [2022-11-25 18:44:38,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:44:38,393 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 527 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:44:38,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 1499 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:44:38,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3461 states. [2022-11-25 18:44:38,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3461 to 3454. [2022-11-25 18:44:38,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3454 states, 2522 states have (on average 1.3251387787470261) internal successors, (3342), 2563 states have internal predecessors, (3342), 682 states have call successors, (682), 250 states have call predecessors, (682), 249 states have return successors, (680), 672 states have call predecessors, (680), 680 states have call successors, (680) [2022-11-25 18:44:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 3454 states and 4704 transitions. [2022-11-25 18:44:38,630 INFO L78 Accepts]: Start accepts. Automaton has 3454 states and 4704 transitions. Word has length 183 [2022-11-25 18:44:38,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:44:38,631 INFO L495 AbstractCegarLoop]: Abstraction has 3454 states and 4704 transitions. [2022-11-25 18:44:38,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 18:44:38,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3454 states and 4704 transitions. [2022-11-25 18:44:38,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-25 18:44:38,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:44:38,639 INFO L195 NwaCegarLoop]: trace histogram [9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:44:38,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-25 18:44:38,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:38,853 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:44:38,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:44:38,854 INFO L85 PathProgramCache]: Analyzing trace with hash 145557291, now seen corresponding path program 1 times [2022-11-25 18:44:38,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:44:38,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594918382] [2022-11-25 18:44:38,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:44:38,856 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:38,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:44:38,857 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:44:38,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-25 18:44:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:44:39,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 1616 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-25 18:44:39,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:44:41,099 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-11-25 18:44:41,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:44:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-11-25 18:44:45,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:44:45,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594918382] [2022-11-25 18:44:45,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594918382] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:44:45,579 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:44:45,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2022-11-25 18:44:45,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893372008] [2022-11-25 18:44:45,579 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:44:45,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-25 18:44:45,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:44:45,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-25 18:44:45,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-11-25 18:44:45,581 INFO L87 Difference]: Start difference. First operand 3454 states and 4704 transitions. Second operand has 19 states, 17 states have (on average 6.352941176470588) internal successors, (108), 19 states have internal predecessors, (108), 4 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-25 18:44:49,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:44:49,357 INFO L93 Difference]: Finished difference Result 6904 states and 9466 transitions. [2022-11-25 18:44:49,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 18:44:49,359 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 6.352941176470588) internal successors, (108), 19 states have internal predecessors, (108), 4 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 187 [2022-11-25 18:44:49,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:44:49,381 INFO L225 Difference]: With dead ends: 6904 [2022-11-25 18:44:49,381 INFO L226 Difference]: Without dead ends: 3462 [2022-11-25 18:44:49,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2022-11-25 18:44:49,396 INFO L413 NwaCegarLoop]: 714 mSDtfsCounter, 16 mSDsluCounter, 6372 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 7086 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:44:49,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 7086 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 18:44:49,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3462 states. [2022-11-25 18:44:49,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3462 to 3462. [2022-11-25 18:44:49,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3462 states, 2530 states have (on average 1.3241106719367588) internal successors, (3350), 2571 states have internal predecessors, (3350), 682 states have call successors, (682), 250 states have call predecessors, (682), 249 states have return successors, (680), 672 states have call predecessors, (680), 680 states have call successors, (680) [2022-11-25 18:44:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3462 states to 3462 states and 4712 transitions. [2022-11-25 18:44:49,706 INFO L78 Accepts]: Start accepts. Automaton has 3462 states and 4712 transitions. Word has length 187 [2022-11-25 18:44:49,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:44:49,706 INFO L495 AbstractCegarLoop]: Abstraction has 3462 states and 4712 transitions. [2022-11-25 18:44:49,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 6.352941176470588) internal successors, (108), 19 states have internal predecessors, (108), 4 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-25 18:44:49,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3462 states and 4712 transitions. [2022-11-25 18:44:49,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-25 18:44:49,715 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:44:49,715 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:44:49,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-25 18:44:49,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:49,941 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:44:49,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:44:49,941 INFO L85 PathProgramCache]: Analyzing trace with hash -201535321, now seen corresponding path program 2 times [2022-11-25 18:44:49,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:44:49,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932091581] [2022-11-25 18:44:49,942 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:44:49,943 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:44:49,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:44:49,944 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:44:49,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-25 18:44:53,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 18:44:53,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:44:53,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 1627 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 18:44:53,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:44:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 43 proven. 21 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-11-25 18:44:54,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:44:59,604 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-11-25 18:44:59,604 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:44:59,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932091581] [2022-11-25 18:44:59,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [932091581] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:44:59,605 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:44:59,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2022-11-25 18:44:59,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510202826] [2022-11-25 18:44:59,605 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:44:59,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-25 18:44:59,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:44:59,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-25 18:44:59,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:44:59,607 INFO L87 Difference]: Start difference. First operand 3462 states and 4712 transitions. Second operand has 21 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 21 states have internal predecessors, (110), 4 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-25 18:45:04,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:45:04,611 INFO L93 Difference]: Finished difference Result 6920 states and 9482 transitions. [2022-11-25 18:45:04,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-25 18:45:04,612 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 21 states have internal predecessors, (110), 4 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 188 [2022-11-25 18:45:04,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:45:04,636 INFO L225 Difference]: With dead ends: 6920 [2022-11-25 18:45:04,636 INFO L226 Difference]: Without dead ends: 3470 [2022-11-25 18:45:04,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=150, Invalid=606, Unknown=0, NotChecked=0, Total=756 [2022-11-25 18:45:04,652 INFO L413 NwaCegarLoop]: 714 mSDtfsCounter, 14 mSDsluCounter, 9911 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 10625 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:45:04,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 10625 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-25 18:45:04,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3470 states. [2022-11-25 18:45:04,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3470 to 3470. [2022-11-25 18:45:04,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3470 states, 2538 states have (on average 1.3230890464933018) internal successors, (3358), 2579 states have internal predecessors, (3358), 682 states have call successors, (682), 250 states have call predecessors, (682), 249 states have return successors, (680), 672 states have call predecessors, (680), 680 states have call successors, (680) [2022-11-25 18:45:04,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3470 states to 3470 states and 4720 transitions. [2022-11-25 18:45:04,956 INFO L78 Accepts]: Start accepts. Automaton has 3470 states and 4720 transitions. Word has length 188 [2022-11-25 18:45:04,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:45:04,957 INFO L495 AbstractCegarLoop]: Abstraction has 3470 states and 4720 transitions. [2022-11-25 18:45:04,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 21 states have internal predecessors, (110), 4 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-25 18:45:04,957 INFO L276 IsEmpty]: Start isEmpty. Operand 3470 states and 4720 transitions. [2022-11-25 18:45:04,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-11-25 18:45:04,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:45:04,964 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:45:05,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-25 18:45:05,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:05,181 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:45:05,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:45:05,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1923495595, now seen corresponding path program 3 times [2022-11-25 18:45:05,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:45:05,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517783149] [2022-11-25 18:45:05,183 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 18:45:05,183 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:05,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:45:05,184 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:45:05,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-25 18:45:07,686 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-25 18:45:07,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:45:07,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 1329 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:45:07,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:45:07,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 18:45:07,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 18:45:08,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 18:45:08,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 18:45:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-11-25 18:45:08,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:45:08,169 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:45:08,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1517783149] [2022-11-25 18:45:08,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1517783149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:45:08,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:45:08,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:45:08,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281556386] [2022-11-25 18:45:08,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:45:08,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:45:08,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:45:08,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:45:08,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:45:08,171 INFO L87 Difference]: Start difference. First operand 3470 states and 4720 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 18:45:11,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:45:14,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:45:16,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:45:18,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:45:19,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:45:19,254 INFO L93 Difference]: Finished difference Result 6907 states and 9407 transitions. [2022-11-25 18:45:19,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:45:19,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 189 [2022-11-25 18:45:19,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:45:19,284 INFO L225 Difference]: With dead ends: 6907 [2022-11-25 18:45:19,285 INFO L226 Difference]: Without dead ends: 3482 [2022-11-25 18:45:19,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:45:19,297 INFO L413 NwaCegarLoop]: 714 mSDtfsCounter, 3 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2058 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:45:19,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2058 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 3 Unknown, 0 Unchecked, 10.8s Time] [2022-11-25 18:45:19,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3482 states. [2022-11-25 18:45:19,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3482 to 3478. [2022-11-25 18:45:19,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3478 states, 2546 states have (on average 1.3220738413197173) internal successors, (3366), 2587 states have internal predecessors, (3366), 682 states have call successors, (682), 250 states have call predecessors, (682), 249 states have return successors, (680), 672 states have call predecessors, (680), 680 states have call successors, (680) [2022-11-25 18:45:19,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 3478 states and 4728 transitions. [2022-11-25 18:45:19,502 INFO L78 Accepts]: Start accepts. Automaton has 3478 states and 4728 transitions. Word has length 189 [2022-11-25 18:45:19,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:45:19,502 INFO L495 AbstractCegarLoop]: Abstraction has 3478 states and 4728 transitions. [2022-11-25 18:45:19,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 18:45:19,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3478 states and 4728 transitions. [2022-11-25 18:45:19,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-25 18:45:19,509 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:45:19,509 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:45:19,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-25 18:45:19,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:19,731 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:45:19,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:45:19,731 INFO L85 PathProgramCache]: Analyzing trace with hash -2080493221, now seen corresponding path program 1 times [2022-11-25 18:45:19,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:45:19,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279371761] [2022-11-25 18:45:19,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:45:19,732 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:19,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:45:19,733 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:45:19,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-25 18:45:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:45:20,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 1669 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 18:45:20,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:45:23,061 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 48 proven. 28 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-11-25 18:45:23,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:45:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-11-25 18:45:31,564 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:45:31,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [279371761] [2022-11-25 18:45:31,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [279371761] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:45:31,564 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:45:31,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2022-11-25 18:45:31,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963117161] [2022-11-25 18:45:31,564 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:45:31,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-25 18:45:31,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:45:31,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-25 18:45:31,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2022-11-25 18:45:31,566 INFO L87 Difference]: Start difference. First operand 3478 states and 4728 transitions. Second operand has 23 states, 21 states have (on average 5.809523809523809) internal successors, (122), 23 states have internal predecessors, (122), 4 states have call successors, (22), 2 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-25 18:45:37,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:45:37,549 INFO L93 Difference]: Finished difference Result 6952 states and 9514 transitions. [2022-11-25 18:45:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-25 18:45:37,550 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 5.809523809523809) internal successors, (122), 23 states have internal predecessors, (122), 4 states have call successors, (22), 2 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 196 [2022-11-25 18:45:37,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:45:37,567 INFO L225 Difference]: With dead ends: 6952 [2022-11-25 18:45:37,567 INFO L226 Difference]: Without dead ends: 3486 [2022-11-25 18:45:37,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=169, Invalid=701, Unknown=0, NotChecked=0, Total=870 [2022-11-25 18:45:37,580 INFO L413 NwaCegarLoop]: 714 mSDtfsCounter, 16 mSDsluCounter, 6374 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 7088 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:45:37,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 7088 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-25 18:45:37,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3486 states. [2022-11-25 18:45:37,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3486 to 3486. [2022-11-25 18:45:37,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3486 states, 2554 states have (on average 1.3210649960845733) internal successors, (3374), 2595 states have internal predecessors, (3374), 682 states have call successors, (682), 250 states have call predecessors, (682), 249 states have return successors, (680), 672 states have call predecessors, (680), 680 states have call successors, (680) [2022-11-25 18:45:37,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 3486 states and 4736 transitions. [2022-11-25 18:45:37,778 INFO L78 Accepts]: Start accepts. Automaton has 3486 states and 4736 transitions. Word has length 196 [2022-11-25 18:45:37,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:45:37,779 INFO L495 AbstractCegarLoop]: Abstraction has 3486 states and 4736 transitions. [2022-11-25 18:45:37,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 5.809523809523809) internal successors, (122), 23 states have internal predecessors, (122), 4 states have call successors, (22), 2 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-25 18:45:37,780 INFO L276 IsEmpty]: Start isEmpty. Operand 3486 states and 4736 transitions. [2022-11-25 18:45:37,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-25 18:45:37,786 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:45:37,787 INFO L195 NwaCegarLoop]: trace histogram [12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:45:37,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-25 18:45:38,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:38,003 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:45:38,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:45:38,003 INFO L85 PathProgramCache]: Analyzing trace with hash -554478753, now seen corresponding path program 2 times [2022-11-25 18:45:38,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:45:38,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1029353319] [2022-11-25 18:45:38,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:45:38,005 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:38,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:45:38,007 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:45:38,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-25 18:45:41,173 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 18:45:41,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:45:41,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 1680 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:45:41,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:45:41,928 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-11-25 18:45:41,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:45:41,928 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:45:41,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1029353319] [2022-11-25 18:45:41,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1029353319] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:45:41,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:45:41,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:45:41,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096257002] [2022-11-25 18:45:41,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:45:41,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:45:41,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:45:41,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:45:41,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:45:41,932 INFO L87 Difference]: Start difference. First operand 3486 states and 4736 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-25 18:45:43,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:45:43,543 INFO L93 Difference]: Finished difference Result 8233 states and 11523 transitions. [2022-11-25 18:45:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:45:43,544 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 197 [2022-11-25 18:45:43,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:45:43,572 INFO L225 Difference]: With dead ends: 8233 [2022-11-25 18:45:43,573 INFO L226 Difference]: Without dead ends: 4792 [2022-11-25 18:45:43,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:45:43,585 INFO L413 NwaCegarLoop]: 903 mSDtfsCounter, 575 mSDsluCounter, 4143 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 5046 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:45:43,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 5046 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 18:45:43,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4792 states. [2022-11-25 18:45:43,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4792 to 3510. [2022-11-25 18:45:43,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3510 states, 2574 states have (on average 1.3185703185703186) internal successors, (3394), 2615 states have internal predecessors, (3394), 682 states have call successors, (682), 250 states have call predecessors, (682), 253 states have return successors, (688), 676 states have call predecessors, (688), 680 states have call successors, (688) [2022-11-25 18:45:43,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 3510 states and 4764 transitions. [2022-11-25 18:45:43,865 INFO L78 Accepts]: Start accepts. Automaton has 3510 states and 4764 transitions. Word has length 197 [2022-11-25 18:45:43,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:45:43,865 INFO L495 AbstractCegarLoop]: Abstraction has 3510 states and 4764 transitions. [2022-11-25 18:45:43,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-25 18:45:43,866 INFO L276 IsEmpty]: Start isEmpty. Operand 3510 states and 4764 transitions. [2022-11-25 18:45:43,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-25 18:45:43,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:45:43,872 INFO L195 NwaCegarLoop]: trace histogram [12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:45:43,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-25 18:45:44,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:44,095 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:45:44,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:45:44,096 INFO L85 PathProgramCache]: Analyzing trace with hash 133179952, now seen corresponding path program 1 times [2022-11-25 18:45:44,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:45:44,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163693697] [2022-11-25 18:45:44,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:45:44,098 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:44,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:45:44,099 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:45:44,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-25 18:45:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:45:45,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-25 18:45:45,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:45:46,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 18:45:46,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 18:45:46,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 18:45:46,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 18:45:47,272 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-11-25 18:45:47,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:45:47,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:45:47,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163693697] [2022-11-25 18:45:47,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163693697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:45:47,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:45:47,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:45:47,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635665053] [2022-11-25 18:45:47,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:45:47,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:45:47,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:45:47,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:45:47,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:45:47,277 INFO L87 Difference]: Start difference. First operand 3510 states and 4764 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 4 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 18:45:49,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:45:53,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:45:56,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:45:58,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:46:01,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:46:01,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:46:01,247 INFO L93 Difference]: Finished difference Result 7019 states and 9563 transitions. [2022-11-25 18:46:01,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:46:01,254 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 4 states have call predecessors, (15), 2 states have call successors, (15) Word has length 201 [2022-11-25 18:46:01,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:46:01,271 INFO L225 Difference]: With dead ends: 7019 [2022-11-25 18:46:01,272 INFO L226 Difference]: Without dead ends: 3554 [2022-11-25 18:46:01,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:46:01,281 INFO L413 NwaCegarLoop]: 713 mSDtfsCounter, 4 mSDsluCounter, 4179 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4892 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:46:01,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4892 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 4 Unknown, 0 Unchecked, 13.3s Time] [2022-11-25 18:46:01,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3554 states. [2022-11-25 18:46:01,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3554 to 3534. [2022-11-25 18:46:01,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3534 states, 2590 states have (on average 1.3166023166023166) internal successors, (3410), 2631 states have internal predecessors, (3410), 682 states have call successors, (682), 250 states have call predecessors, (682), 261 states have return successors, (720), 684 states have call predecessors, (720), 680 states have call successors, (720) [2022-11-25 18:46:01,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3534 states to 3534 states and 4812 transitions. [2022-11-25 18:46:01,505 INFO L78 Accepts]: Start accepts. Automaton has 3534 states and 4812 transitions. Word has length 201 [2022-11-25 18:46:01,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:46:01,505 INFO L495 AbstractCegarLoop]: Abstraction has 3534 states and 4812 transitions. [2022-11-25 18:46:01,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 4 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 18:46:01,506 INFO L276 IsEmpty]: Start isEmpty. Operand 3534 states and 4812 transitions. [2022-11-25 18:46:01,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-25 18:46:01,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:46:01,513 INFO L195 NwaCegarLoop]: trace histogram [12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:46:01,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-25 18:46:01,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:46:01,736 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:46:01,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:46:01,736 INFO L85 PathProgramCache]: Analyzing trace with hash 203555927, now seen corresponding path program 1 times [2022-11-25 18:46:01,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:46:01,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1438164084] [2022-11-25 18:46:01,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:46:01,738 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:46:01,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:46:01,741 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:46:01,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-25 18:46:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:46:03,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 1713 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 18:46:03,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:46:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-11-25 18:46:04,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:46:04,475 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:46:04,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1438164084] [2022-11-25 18:46:04,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1438164084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:46:04,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:46:04,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:46:04,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745944202] [2022-11-25 18:46:04,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:46:04,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:46:04,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:46:04,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:46:04,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:46:04,479 INFO L87 Difference]: Start difference. First operand 3534 states and 4812 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 18:46:05,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:46:05,484 INFO L93 Difference]: Finished difference Result 7818 states and 10835 transitions. [2022-11-25 18:46:05,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:46:05,485 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) Word has length 208 [2022-11-25 18:46:05,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:46:05,506 INFO L225 Difference]: With dead ends: 7818 [2022-11-25 18:46:05,506 INFO L226 Difference]: Without dead ends: 4329 [2022-11-25 18:46:05,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:46:05,516 INFO L413 NwaCegarLoop]: 908 mSDtfsCounter, 148 mSDsluCounter, 4349 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 5257 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:46:05,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 5257 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 18:46:05,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4329 states. [2022-11-25 18:46:05,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4329 to 3542. [2022-11-25 18:46:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3542 states, 2598 states have (on average 1.3156274056966897) internal successors, (3418), 2635 states have internal predecessors, (3418), 682 states have call successors, (682), 250 states have call predecessors, (682), 261 states have return successors, (720), 688 states have call predecessors, (720), 680 states have call successors, (720) [2022-11-25 18:46:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 3542 states and 4820 transitions. [2022-11-25 18:46:05,803 INFO L78 Accepts]: Start accepts. Automaton has 3542 states and 4820 transitions. Word has length 208 [2022-11-25 18:46:05,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:46:05,804 INFO L495 AbstractCegarLoop]: Abstraction has 3542 states and 4820 transitions. [2022-11-25 18:46:05,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 18:46:05,804 INFO L276 IsEmpty]: Start isEmpty. Operand 3542 states and 4820 transitions. [2022-11-25 18:46:05,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-11-25 18:46:05,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:46:05,811 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:46:05,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-25 18:46:06,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:46:06,036 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:46:06,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:46:06,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1558303520, now seen corresponding path program 1 times [2022-11-25 18:46:06,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:46:06,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1426191221] [2022-11-25 18:46:06,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:46:06,039 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:46:06,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:46:06,040 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:46:06,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-25 18:46:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:46:07,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 1699 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 18:46:07,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:46:07,445 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2022-11-25 18:46:07,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:46:07,446 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:46:07,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1426191221] [2022-11-25 18:46:07,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1426191221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:46:07,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:46:07,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:46:07,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328896227] [2022-11-25 18:46:07,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:46:07,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:46:07,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:46:07,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:46:07,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:46:07,448 INFO L87 Difference]: Start difference. First operand 3542 states and 4820 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-25 18:46:08,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:46:08,313 INFO L93 Difference]: Finished difference Result 8337 states and 11679 transitions. [2022-11-25 18:46:08,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:46:08,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 207 [2022-11-25 18:46:08,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:46:08,331 INFO L225 Difference]: With dead ends: 8337 [2022-11-25 18:46:08,332 INFO L226 Difference]: Without dead ends: 4840 [2022-11-25 18:46:08,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:46:08,342 INFO L413 NwaCegarLoop]: 906 mSDtfsCounter, 339 mSDsluCounter, 1614 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 2520 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:46:08,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 2520 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 18:46:08,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4840 states. [2022-11-25 18:46:08,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4840 to 3542. [2022-11-25 18:46:08,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3542 states, 2598 states have (on average 1.3156274056966897) internal successors, (3418), 2635 states have internal predecessors, (3418), 682 states have call successors, (682), 250 states have call predecessors, (682), 261 states have return successors, (720), 688 states have call predecessors, (720), 680 states have call successors, (720) [2022-11-25 18:46:08,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 3542 states and 4820 transitions. [2022-11-25 18:46:08,656 INFO L78 Accepts]: Start accepts. Automaton has 3542 states and 4820 transitions. Word has length 207 [2022-11-25 18:46:08,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:46:08,657 INFO L495 AbstractCegarLoop]: Abstraction has 3542 states and 4820 transitions. [2022-11-25 18:46:08,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-25 18:46:08,657 INFO L276 IsEmpty]: Start isEmpty. Operand 3542 states and 4820 transitions. [2022-11-25 18:46:08,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-25 18:46:08,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:46:08,664 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:46:08,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-25 18:46:08,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:46:08,879 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:46:08,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:46:08,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1916797959, now seen corresponding path program 1 times [2022-11-25 18:46:08,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:46:08,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149892473] [2022-11-25 18:46:08,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:46:08,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:46:08,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:46:08,882 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:46:08,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-25 18:46:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:46:32,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:47:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:47:08,777 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 18:47:08,779 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:47:08,780 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 18:47:08,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-25 18:47:09,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:47:09,009 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-25 18:47:09,013 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:47:09,057 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-25 18:47:09,060 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-25 18:47:09,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:47:09 BoogieIcfgContainer [2022-11-25 18:47:09,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:47:09,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:47:09,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:47:09,199 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:47:09,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:43:56" (3/4) ... [2022-11-25 18:47:09,202 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:47:09,206 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:47:09,207 INFO L158 Benchmark]: Toolchain (without parser) took 226127.63ms. Allocated memory was 62.9MB in the beginning and 950.0MB in the end (delta: 887.1MB). Free memory was 27.1MB in the beginning and 735.3MB in the end (delta: -708.2MB). Peak memory consumption was 178.7MB. Max. memory is 16.1GB. [2022-11-25 18:47:09,207 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 49.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:47:09,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2896.66ms. Allocated memory was 62.9MB in the beginning and 247.5MB in the end (delta: 184.5MB). Free memory was 26.9MB in the beginning and 178.1MB in the end (delta: -151.2MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2022-11-25 18:47:09,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 244.63ms. Allocated memory is still 247.5MB. Free memory was 178.1MB in the beginning and 158.2MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 18:47:09,208 INFO L158 Benchmark]: Boogie Preprocessor took 223.19ms. Allocated memory is still 247.5MB. Free memory was 158.2MB in the beginning and 136.2MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 18:47:09,209 INFO L158 Benchmark]: RCFGBuilder took 29896.39ms. Allocated memory was 247.5MB in the beginning and 790.6MB in the end (delta: 543.2MB). Free memory was 136.2MB in the beginning and 361.5MB in the end (delta: -225.3MB). Peak memory consumption was 443.7MB. Max. memory is 16.1GB. [2022-11-25 18:47:09,209 INFO L158 Benchmark]: TraceAbstraction took 192844.48ms. Allocated memory was 790.6MB in the beginning and 950.0MB in the end (delta: 159.4MB). Free memory was 360.4MB in the beginning and 735.3MB in the end (delta: -374.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:47:09,209 INFO L158 Benchmark]: Witness Printer took 12.85ms. Allocated memory is still 950.0MB. Free memory is still 735.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:47:09,211 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 49.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2896.66ms. Allocated memory was 62.9MB in the beginning and 247.5MB in the end (delta: 184.5MB). Free memory was 26.9MB in the beginning and 178.1MB in the end (delta: -151.2MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 244.63ms. Allocated memory is still 247.5MB. Free memory was 178.1MB in the beginning and 158.2MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 223.19ms. Allocated memory is still 247.5MB. Free memory was 158.2MB in the beginning and 136.2MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 29896.39ms. Allocated memory was 247.5MB in the beginning and 790.6MB in the end (delta: 543.2MB). Free memory was 136.2MB in the beginning and 361.5MB in the end (delta: -225.3MB). Peak memory consumption was 443.7MB. Max. memory is 16.1GB. * TraceAbstraction took 192844.48ms. Allocated memory was 790.6MB in the beginning and 950.0MB in the end (delta: 159.4MB). Free memory was 360.4MB in the beginning and 735.3MB in the end (delta: -374.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 12.85ms. Allocated memory is still 950.0MB. Free memory is still 735.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 7526]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6952. Possible FailurePath: [L6261] int ldv_state_variable_3 ; [L6262] int LDV_IN_INTERRUPT = 1; [L6263] int ldv_state_variable_2 ; [L6264] struct atm_vcc *atmtcp_c_dev_ops_group0 ; [L6265] int ref_cnt ; [L6266] struct atm_vcc *atmtcp_v_dev_ops_group1 ; [L6267] struct atm_dev *atmtcp_v_dev_ops_group0 ; [L6268] int ldv_state_variable_1 ; [L6269] int ldv_state_variable_0 ; [L6942-L6944] static struct atmdev_ops atmtcp_v_dev_ops = {& atmtcp_v_dev_close, & atmtcp_v_open, & atmtcp_v_close, & atmtcp_v_ioctl, 0, 0, 0, & atmtcp_v_send, 0, 0, 0, 0, & atmtcp_v_proc, & __this_module}; [L6945-L6946] static struct atmdev_ops atmtcp_c_dev_ops = {0, 0, & atmtcp_c_close, 0, 0, 0, 0, & atmtcp_c_send, 0, 0, 0, 0, 0, 0}; [L6947-L7055] static struct atm_dev atmtcp_control_dev = {(struct atmdev_ops const *)(& atmtcp_c_dev_ops), 0, "atmtcp", 999, 0, 0, 0UL, {0, 0}, {0, 0}, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, {(signed char)0, (signed char)0}, {{{0}, {0}, {0}, {0}, {0}}, {{0}, {0}, {0}, {0}, {0}}, {{0}, {0}, {0}, {0}, {0}}}, (char)0, 0, {0}, {{{{{0}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "atmtcp_control_dev.lock", 0, 0UL}}}}, 0, 0, {0, 0, {0, {0, 0}, 0, 0, 0, 0, {{0}}, {{{0L}, {0, 0}, 0, {0, {0, 0}, 0, 0, 0UL}}, {{0, 0}, 0UL, 0, 0UL, 0U, 0, 0, 0, {(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, {0, {0, 0}, 0, 0, 0UL}}, 0, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0, 0, {{0}, {{{{{0}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, 0, 0, {0, {0, 0}, 0, 0, 0UL}}, 0, 0, 0, 0, {{0}, (unsigned char)0, (unsigned char)0, (_Bool)0, (_Bool)0, (_Bool)0, (_Bool)0, (_Bool)0, (_Bool)0, (_Bool)0, {{{{{0}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, {0U, {{{{{{0}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}, 0, (_Bool)0, (_Bool)0, {{0, 0}, 0UL, 0, 0UL, 0U, 0, 0, 0, {(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, {0, {0, 0}, 0, 0, 0UL}}, 0UL, {{0L}, {0, 0}, 0, {0, {0, 0}, 0, 0, 0UL}}, {{{{{{0}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, 0, {0}, {0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0, 0, 0, 0, 0UL, 0UL, 0UL, 0UL, 0, 0, 0}, 0, 0, 0, 0, 0ULL, 0UL, 0, {0, 0}, 0, 0, {0, 0}, 0, 0, 0U, 0U, {{{{{0}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, {0, {0, 0}, {{0}}}, 0, 0, 0, 0, (_Bool)0, (_Bool)0}, {0, 0}}; [L7212] static struct atm_ioctl atmtcp_ioctl_ops = {& __this_module, & atmtcp_ioctl, {0, 0}}; [L7228] int ldv_retval_0 ; [L7229] int ldv_retval_1 ; [L7565] int ldv_module_refcounter = 1; VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L7255] unsigned long ldvarg1 ; [L7256] struct socket *ldvarg0 ; [L7257] void *tmp ; [L7258] unsigned int ldvarg2 ; [L7259] loff_t *ldvarg7 ; [L7260] void *tmp___0 ; [L7261] void *ldvarg4 ; [L7262] void *tmp___1 ; [L7263] struct sk_buff *ldvarg3 ; [L7264] void *tmp___2 ; [L7265] unsigned int ldvarg5 ; [L7266] char *ldvarg6 ; [L7267] void *tmp___3 ; [L7268] struct sk_buff *ldvarg8 ; [L7269] void *tmp___4 ; [L7270] int tmp___5 ; [L7271] int tmp___6 ; [L7272] int tmp___7 ; [L7273] int tmp___8 ; [L7274] int tmp___9 ; VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg1={-6:0}, ldvarg5={-5:0}, ref_cnt=0] [L7276] CALL, EXPR ldv_init_zalloc(48UL) VAL [\old(size)=48, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6215] void *p ; [L6216] void *tmp ; [L6218] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=48, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-9223372036854775792:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, size=48] [L6218] tmp = calloc(1UL, size) [L6219] p = tmp VAL [\old(size)=48, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-9223372036854775792:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-9223372036854775792:0}, ref_cnt=0, size=48, tmp={-9223372036854775792:0}] [L6220] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6177] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6220] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=48, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-9223372036854775792:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-9223372036854775792:0}, ref_cnt=0, size=48, tmp={-9223372036854775792:0}] [L6221] return (p); VAL [\old(size)=48, \result={-9223372036854775792:0}, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={-9223372036854775792:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-9223372036854775792:0}, ref_cnt=0, size=48, tmp={-9223372036854775792:0}] [L7276] RET, EXPR ldv_init_zalloc(48UL) VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(48UL)={-9223372036854775792:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg1={-6:0}, ldvarg5={-5:0}, ref_cnt=0] [L7276] tmp = ldv_init_zalloc(48UL) [L7277] ldvarg0 = (struct socket *)tmp VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg5={-5:0}, ref_cnt=0, tmp={-9223372036854775792:0}] [L7278] CALL, EXPR ldv_init_zalloc(8UL) VAL [\old(size)=8, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6215] void *p ; [L6216] void *tmp ; [L6218] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=8, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={576460752303423508:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, size=8] [L6218] tmp = calloc(1UL, size) [L6219] p = tmp VAL [\old(size)=8, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={576460752303423508:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={576460752303423508:0}, ref_cnt=0, size=8, tmp={576460752303423508:0}] [L6220] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6177] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6220] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=8, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={576460752303423508:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={576460752303423508:0}, ref_cnt=0, size=8, tmp={576460752303423508:0}] [L6221] return (p); VAL [\old(size)=8, \result={576460752303423508:0}, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={576460752303423508:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={576460752303423508:0}, ref_cnt=0, size=8, tmp={576460752303423508:0}] [L7278] RET, EXPR ldv_init_zalloc(8UL) VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(8UL)={576460752303423508:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg5={-5:0}, ref_cnt=0, tmp={-9223372036854775792:0}] [L7278] tmp___0 = ldv_init_zalloc(8UL) [L7279] ldvarg7 = (loff_t *)tmp___0 VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg5={-5:0}, ldvarg7={576460752303423508:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}] [L7280] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6215] void *p ; [L6216] void *tmp ; [L6218] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={17:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, size=1] [L6218] tmp = calloc(1UL, size) [L6219] p = tmp VAL [\old(size)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={17:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={17:0}, ref_cnt=0, size=1, tmp={17:0}] [L6220] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6177] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6220] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={17:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={17:0}, ref_cnt=0, size=1, tmp={17:0}] [L6221] return (p); VAL [\old(size)=1, \result={17:0}, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={17:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={17:0}, ref_cnt=0, size=1, tmp={17:0}] [L7280] RET, EXPR ldv_init_zalloc(1UL) VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={17:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg5={-5:0}, ldvarg7={576460752303423508:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}] [L7280] tmp___1 = ldv_init_zalloc(1UL) [L7281] ldvarg4 = tmp___1 VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg4={17:0}, ldvarg5={-5:0}, ldvarg7={576460752303423508:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}, tmp___1={17:0}] [L7282] CALL, EXPR ldv_init_zalloc(232UL) VAL [\old(size)=232, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6215] void *p ; [L6216] void *tmp ; [L6218] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=232, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={41:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, size=232] [L6218] tmp = calloc(1UL, size) [L6219] p = tmp VAL [\old(size)=232, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={41:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={41:0}, ref_cnt=0, size=232, tmp={41:0}] [L6220] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6177] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6220] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=232, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={41:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={41:0}, ref_cnt=0, size=232, tmp={41:0}] [L6221] return (p); VAL [\old(size)=232, \result={41:0}, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={41:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={41:0}, ref_cnt=0, size=232, tmp={41:0}] [L7282] RET, EXPR ldv_init_zalloc(232UL) VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(232UL)={41:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg4={17:0}, ldvarg5={-5:0}, ldvarg7={576460752303423508:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}, tmp___1={17:0}] [L7282] tmp___2 = ldv_init_zalloc(232UL) [L7283] ldvarg3 = (struct sk_buff *)tmp___2 VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg3={41:0}, ldvarg4={17:0}, ldvarg5={-5:0}, ldvarg7={576460752303423508:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}, tmp___1={17:0}, tmp___2={41:0}] [L7284] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6215] void *p ; [L6216] void *tmp ; [L6218] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={21:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, size=1] [L6218] tmp = calloc(1UL, size) [L6219] p = tmp VAL [\old(size)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={21:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={21:0}, ref_cnt=0, size=1, tmp={21:0}] [L6220] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6177] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6220] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={21:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={21:0}, ref_cnt=0, size=1, tmp={21:0}] [L6221] return (p); VAL [\old(size)=1, \result={21:0}, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={21:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={21:0}, ref_cnt=0, size=1, tmp={21:0}] [L7284] RET, EXPR ldv_init_zalloc(1UL) VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={21:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg3={41:0}, ldvarg4={17:0}, ldvarg5={-5:0}, ldvarg7={576460752303423508:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}, tmp___1={17:0}, tmp___2={41:0}] [L7284] tmp___3 = ldv_init_zalloc(1UL) [L7285] ldvarg6 = (char *)tmp___3 VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg3={41:0}, ldvarg4={17:0}, ldvarg5={-5:0}, ldvarg6={21:0}, ldvarg7={576460752303423508:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}, tmp___1={17:0}, tmp___2={41:0}, tmp___3={21:0}] [L7286] CALL, EXPR ldv_init_zalloc(232UL) VAL [\old(size)=232, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6215] void *p ; [L6216] void *tmp ; [L6218] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=232, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={40983:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, size=232] [L6218] tmp = calloc(1UL, size) [L6219] p = tmp VAL [\old(size)=232, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={40983:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={40983:0}, ref_cnt=0, size=232, tmp={40983:0}] [L6220] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6177] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6220] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=232, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={40983:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={40983:0}, ref_cnt=0, size=232, tmp={40983:0}] [L6221] return (p); VAL [\old(size)=232, \result={40983:0}, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, calloc(1UL, size)={40983:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, p={40983:0}, ref_cnt=0, size=232, tmp={40983:0}] [L7286] RET, EXPR ldv_init_zalloc(232UL) VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(232UL)={40983:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg3={41:0}, ldvarg4={17:0}, ldvarg5={-5:0}, ldvarg6={21:0}, ldvarg7={576460752303423508:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}, tmp___1={17:0}, tmp___2={41:0}, tmp___3={21:0}] [L7286] tmp___4 = ldv_init_zalloc(232UL) [L7287] ldvarg8 = (struct sk_buff *)tmp___4 [L7288] FCALL ldv_initialize() [L7289] CALL ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [\old(c)=0, \old(n)=8, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, s={-6:0}] [L6226] void *tmp ; VAL [\old(c)=0, \old(n)=8, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, n=8, ref_cnt=0, s={-6:0}, s={-6:0}] [L6228] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, memset(s, c, n)={-6:0}, n=8, ref_cnt=0, s={-6:0}, s={-6:0}] [L6228] tmp = memset(s, c, n) [L6229] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={-6:0}, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, n=8, ref_cnt=0, s={-6:0}, s={-6:0}, tmp={-6:0}] [L7289] RET ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg1), 0, 8UL)={-6:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg3={41:0}, ldvarg4={17:0}, ldvarg5={-5:0}, ldvarg6={21:0}, ldvarg7={576460752303423508:0}, ldvarg8={40983:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}, tmp___1={17:0}, tmp___2={41:0}, tmp___3={21:0}, tmp___4={40983:0}] [L7290] ldvarg2 = __VERIFIER_nondet_uint () [L7291] CALL ldv_memset((void *)(& ldvarg5), 0, 4UL) VAL [\old(c)=0, \old(n)=4, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, s={-5:0}] [L6226] void *tmp ; VAL [\old(c)=0, \old(n)=4, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, n=4, ref_cnt=0, s={-5:0}, s={-5:0}] [L6228] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, memset(s, c, n)={-5:0}, n=4, ref_cnt=0, s={-5:0}, s={-5:0}] [L6228] tmp = memset(s, c, n) [L6229] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={-5:0}, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, n=4, ref_cnt=0, s={-5:0}, s={-5:0}, tmp={-5:0}] [L7291] RET ldv_memset((void *)(& ldvarg5), 0, 4UL) VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg5), 0, 4UL)={-5:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg2=24975, ldvarg3={41:0}, ldvarg4={17:0}, ldvarg5={-5:0}, ldvarg6={21:0}, ldvarg7={576460752303423508:0}, ldvarg8={40983:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}, tmp___1={17:0}, tmp___2={41:0}, tmp___3={21:0}, tmp___4={40983:0}] [L7292] ldv_state_variable_1 = 0 [L7293] ref_cnt = 0 [L7294] ldv_state_variable_0 = 1 [L7295] ldv_state_variable_3 = 0 [L7296] ldv_state_variable_2 = 0 VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg2=24975, ldvarg3={41:0}, ldvarg4={17:0}, ldvarg5={-5:0}, ldvarg6={21:0}, ldvarg7={576460752303423508:0}, ldvarg8={40983:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}, tmp___1={17:0}, tmp___2={41:0}, tmp___3={21:0}, tmp___4={40983:0}] [L7298] tmp___5 = __VERIFIER_nondet_int() [L7300] case 0: [L7318] case 1: VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg2=24975, ldvarg3={41:0}, ldvarg4={17:0}, ldvarg5={-5:0}, ldvarg6={21:0}, ldvarg7={576460752303423508:0}, ldvarg8={40983:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}, tmp___1={17:0}, tmp___2={41:0}, tmp___3={21:0}, tmp___4={40983:0}, tmp___5=1] [L7319] COND TRUE ldv_state_variable_0 != 0 [L7320] tmp___7 = __VERIFIER_nondet_int() [L7322] case 0: [L7330] case 1: VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg2=24975, ldvarg3={41:0}, ldvarg4={17:0}, ldvarg5={-5:0}, ldvarg6={21:0}, ldvarg7={576460752303423508:0}, ldvarg8={40983:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}, tmp___1={17:0}, tmp___2={41:0}, tmp___3={21:0}, tmp___4={40983:0}, tmp___5=1, tmp___7=1] [L7331] COND TRUE ldv_state_variable_0 == 1 [L7332] CALL, EXPR atmtcp_init() [L7216] FCALL register_atm_ioctl(& atmtcp_ioctl_ops) [L7217] return (0); VAL [\result=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L7332] RET, EXPR atmtcp_init() [L7332] ldv_retval_0 = atmtcp_init() [L7333] COND TRUE ldv_retval_0 == 0 [L7334] ldv_state_variable_0 = 3 [L7335] ldv_state_variable_1 = 1 VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg2=24975, ldvarg3={41:0}, ldvarg4={17:0}, ldvarg5={-5:0}, ldvarg6={21:0}, ldvarg7={576460752303423508:0}, ldvarg8={40983:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}, tmp___1={17:0}, tmp___2={41:0}, tmp___3={21:0}, tmp___4={40983:0}, tmp___5=1, tmp___7=1] [L7338] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg2=24975, ldvarg3={41:0}, ldvarg4={17:0}, ldvarg5={-5:0}, ldvarg6={21:0}, ldvarg7={576460752303423508:0}, ldvarg8={40983:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}, tmp___1={17:0}, tmp___2={41:0}, tmp___3={21:0}, tmp___4={40983:0}, tmp___5=1, tmp___7=1] [L7298] tmp___5 = __VERIFIER_nondet_int() [L7300] case 0: VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg2=24975, ldvarg3={41:0}, ldvarg4={17:0}, ldvarg5={-5:0}, ldvarg6={21:0}, ldvarg7={576460752303423508:0}, ldvarg8={40983:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}, tmp___1={17:0}, tmp___2={41:0}, tmp___3={21:0}, tmp___4={40983:0}, tmp___5=0, tmp___7=1] [L7301] COND TRUE ldv_state_variable_1 != 0 [L7302] tmp___6 = __VERIFIER_nondet_int() [L7304] case 0: VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={-9223372036854775792:0}, ldvarg1={-6:0}, ldvarg2=24975, ldvarg3={41:0}, ldvarg4={17:0}, ldvarg5={-5:0}, ldvarg6={21:0}, ldvarg7={576460752303423508:0}, ldvarg8={40983:0}, ref_cnt=0, tmp={-9223372036854775792:0}, tmp___0={576460752303423508:0}, tmp___1={17:0}, tmp___2={41:0}, tmp___3={21:0}, tmp___4={40983:0}, tmp___5=0, tmp___6=0, tmp___7=1] [L7305] COND TRUE ldv_state_variable_1 == 1 [L7306] EXPR \read(ldvarg1) [L7306] CALL atmtcp_ioctl(ldvarg0, ldvarg2, ldvarg1) [L7169] int err ; [L7170] struct atm_vcc *vcc ; [L7171] struct atm_vcc *tmp ; [L7172] bool tmp___0 ; [L7173] int tmp___1 ; [L7175] err = 0 [L7176] CALL, EXPR ATM_SD(sock) [L6342] struct atm_vcc *tmp ; [L6344] EXPR sock->sk VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, sock={-9223372036854775792:0}, sock={-9223372036854775792:0}, sock->sk={216172850833260672:216172850833260672}] [L6344] CALL, EXPR atm_sk(sock->sk) VAL [__this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, sk={216172850833260672:216172850833260672}] [L6337] return ((struct atm_vcc *)sk); VAL [\result={216172850833260672:216172850833260672}, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, sk={216172850833260672:216172850833260672}, sk={216172850833260672:216172850833260672}] [L6344] RET, EXPR atm_sk(sock->sk) VAL [__this_module={0:7}, atm_sk(sock->sk)={216172850833260672:216172850833260672}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, sock={-9223372036854775792:0}, sock={-9223372036854775792:0}, sock->sk={216172850833260672:216172850833260672}] [L6344] tmp = atm_sk(sock->sk) [L6345] return (tmp); VAL [\result={216172850833260672:216172850833260672}, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, sock={-9223372036854775792:0}, sock={-9223372036854775792:0}, tmp={216172850833260672:216172850833260672}] [L7176] RET, EXPR ATM_SD(sock) [L7176] tmp = ATM_SD(sock) [L7177] vcc = tmp VAL [\old(arg)=0, \old(cmd)=24975, __this_module={0:7}, arg=0, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cmd=24975, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, sock={-9223372036854775792:0}, sock={-9223372036854775792:0}, tmp={216172850833260672:216172850833260672}, vcc={216172850833260672:216172850833260672}] [L7178] COND FALSE !((cmd != 24960U && cmd != 24974U) && cmd != 24975U) [L7182] CALL, EXPR capable(12) [L7680] return __VERIFIER_nondet_bool(); [L7182] RET, EXPR capable(12) [L7182] tmp___0 = capable(12) [L7183] COND TRUE \read(tmp___0) [L7184] tmp___1 = 0 VAL [\old(arg)=0, \old(cmd)=24975, __this_module={0:7}, arg=0, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cmd=24975, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, sock={-9223372036854775792:0}, sock={-9223372036854775792:0}, tmp={216172850833260672:216172850833260672}, tmp___0=128, tmp___1=0, vcc={216172850833260672:216172850833260672}] [L7188] COND FALSE !(\read(tmp___1)) [L7193] case 24960U: [L7201] case 24974U: [L7204] case 24975U: [L7205] CALL atmtcp_remove_persistent((int )arg) [L7138] struct atm_dev *dev ; [L7139] struct atmtcp_dev_data *dev_data ; VAL [\old(itf)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, itf=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L7141] CALL, EXPR atm_dev_lookup(itf) VAL [\old(arg0)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L7669] CALL, EXPR ldv_malloc(sizeof(struct atm_dev)) VAL [\old(size)=1598, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6181] void *p ; [L6182] void *tmp ; [L6183] int tmp___0 ; [L6185] tmp___0 = __VERIFIER_nondet_int() [L6186] COND FALSE !(tmp___0 != 0) [L6189] tmp = malloc(size) [L6190] p = tmp VAL [\old(size)=1598, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-17:0}, ref_cnt=0, size=1598, tmp={-17:0}, tmp___0=0] [L6191] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6177] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6191] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1598, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-17:0}, ref_cnt=0, size=1598, tmp={-17:0}, tmp___0=0] [L6192] return (p); VAL [\old(size)=1598, \result={-17:0}, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-17:0}, ref_cnt=0, size=1598, tmp={-17:0}, tmp___0=0] [L7669] RET, EXPR ldv_malloc(sizeof(struct atm_dev)) VAL [\old(arg0)=0, __this_module={0:7}, arg0=0, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct atm_dev))={-17:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L7669] return ldv_malloc(sizeof(struct atm_dev)); [L7141] RET, EXPR atm_dev_lookup(itf) VAL [\old(itf)=0, __this_module={0:7}, atm_dev_lookup(itf)={-17:0}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, itf=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L7141] dev = atm_dev_lookup(itf) [L7142] COND FALSE !((unsigned long )dev == (unsigned long )((struct atm_dev *)0)) [L7146] EXPR dev->ops VAL [\old(itf)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev={-17:0}, dev->ops={-1:0}, itf=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L7146] COND TRUE (unsigned long )dev->ops != (unsigned long )((struct atmdev_ops const *)(& atmtcp_v_dev_ops)) [L7147] CALL atm_dev_put(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6377] int tmp ; [L6378] long tmp___0 ; [L6379] int tmp___1 ; [L6381] CALL, EXPR atomic_dec_and_test(& dev->refcnt) [L6126] char c ; [L6130] return ((int )((signed char )c) != 0); VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, \result=1, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=2, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, v={-17:157}, v={-17:157}] [L6381] RET, EXPR atomic_dec_and_test(& dev->refcnt) [L6381] tmp___1 = atomic_dec_and_test(& dev->refcnt) [L6382] COND TRUE tmp___1 != 0 [L6383] CALL, EXPR constant_test_bit(0L, (unsigned long const volatile *)(& dev->flags)) [L6045] EXPR addr + (unsigned long )(nr >> 6) [L6045] return ((int )((unsigned long )*(addr + (unsigned long )(nr >> 6)) >> ((int )nr & 63)) & 1); [L6383] RET, EXPR constant_test_bit(0L, (unsigned long const volatile *)(& dev->flags)) [L6383] tmp = constant_test_bit(0L, (unsigned long const volatile *)(& dev->flags)) [L6384] CALL, EXPR ldv__builtin_expect(tmp == 0, 0L) VAL [\old(c)=0, \old(exp)=0, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6258] return (exp); VAL [\old(c)=0, \old(exp)=0, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, \result=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, c=0, exp=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6384] RET, EXPR ldv__builtin_expect(tmp == 0, 0L) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev={-17:0}, dev={-17:0}, ldv__builtin_expect(tmp == 0, 0L)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, tmp=1, tmp___1=1] [L6384] tmp___0 = ldv__builtin_expect(tmp == 0, 0L) [L6385] COND FALSE !(tmp___0 != 0L) [L6392] EXPR dev->ops [L6392] EXPR (dev->ops)->dev_close VAL [(dev->ops)->dev_close={-1:7}, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev={-17:0}, dev={-17:0}, dev->ops={-1:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, tmp=1, tmp___0=0, tmp___1=1] [L6392] COND TRUE (unsigned long )(dev->ops)->dev_close != (unsigned long )((void (* )(struct atm_dev * ))0) [L6393] EXPR dev->ops [L6393] EXPR (dev->ops)->dev_close [L6393] CALL (*((dev->ops)->dev_close))(dev) [L6824] struct atm_dev *atmtcp_dev ; [L6825] struct atmtcp_dev_data *dev_data ; [L6827] EXPR vcc->dev_data [L6827] atmtcp_dev = (struct atm_dev *)vcc->dev_data [L6828] EXPR atmtcp_dev->dev_data [L6828] dev_data = (struct atmtcp_dev_data *)atmtcp_dev->dev_data [L6829] dev_data->vcc = (struct atm_vcc *)0 [L6830] EXPR dev_data->persist VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_dev={-17:-12}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev_data={-17:0}, dev_data->persist=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, vcc={-17:0}, vcc={-17:0}] [L6830] COND FALSE !(dev_data->persist != 0) [L6834] atmtcp_dev->dev_data = (void *)0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_dev={-17:-12}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev_data={-17:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, vcc={-17:0}, vcc={-17:0}] [L6835] CALL kfree((void const *)dev_data) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, p={-17:0}, ref_cnt=0] [L6835] RET kfree((void const *)dev_data) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_dev={-17:-12}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, dev_data={-17:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0, vcc={-17:0}, vcc={-17:0}] [L6836] CALL ldv_atm_dev_deregister_5(atmtcp_dev) [L7476] FCALL atm_dev_deregister(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, ldv_func_arg1={-17:-12}, ldv_func_arg1={-17:-12}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L7477] ldv_state_variable_3 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, ldv_func_arg1={-17:-12}, ldv_func_arg1={-17:-12}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L6836] RET ldv_atm_dev_deregister_5(atmtcp_dev) [L6837] vcc->dev_data = (void *)0 [L6838] CALL ldv_module_put_6(& __this_module) [L7484] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, module={0:7}, ref_cnt=0] [L7596] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, module={0:7}, module={0:7}, ref_cnt=0] [L7597] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, module={0:7}, module={0:7}, ref_cnt=0] [L7598] CALL ldv_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] [L7526] reach_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_3)=0, __this_module={0:7}, atmtcp_c_dev_ops={13:0}, atmtcp_c_dev_ops_group0={0:0}, atmtcp_control_dev={14:0}, atmtcp_ioctl_ops={15:0}, atmtcp_v_dev_ops={12:0}, atmtcp_v_dev_ops_group0={0:0}, atmtcp_v_dev_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 626 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 192.6s, OverallIterations: 18, TraceHistogramMax: 12, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 54.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 3877 SdHoareTripleChecker+Valid, 43.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3814 mSDsluCounter, 83813 SdHoareTripleChecker+Invalid, 41.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70043 mSDsCounter, 222 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1673 IncrementalHoareTripleChecker+Invalid, 1902 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 222 mSolverCounterUnsat, 13770 mSDtfsCounter, 1673 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4239 GetRequests, 4062 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 36.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3542occurred in iteration=16, InterpolantAutomatonStates: 151, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 3405 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 39.6s SatisfiabilityAnalysisTime, 48.3s InterpolantComputationTime, 3215 NumberOfCodeBlocks, 2706 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 4192 ConstructedInterpolants, 0 QuantifiedInterpolants, 5385 SizeOfPredicates, 31 NumberOfNonLiveVariables, 24984 ConjunctsInSsa, 122 ConjunctsInUnsatCore, 24 InterpolantComputations, 10 PerfectInterpolantSequences, 6157/6526 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 18:47:09,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6140f9-5dbd-46b7-a5eb-feb86f05fdad/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample