./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- 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 23:41:34,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:41:34,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:41:34,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:41:34,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:41:34,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:41:34,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:41:34,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:41:34,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:41:34,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:41:34,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:41:34,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:41:34,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:41:34,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:41:34,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:41:34,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:41:34,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:41:34,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:41:34,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:41:34,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:41:34,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:41:34,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:41:34,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:41:34,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:41:34,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:41:34,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:41:34,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:41:34,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:41:34,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:41:34,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:41:34,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:41:34,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:41:34,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:41:34,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:41:34,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:41:34,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:41:34,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:41:34,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:41:34,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:41:34,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:41:34,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:41:34,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-25 23:41:34,271 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:41:34,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:41:34,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:41:34,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:41:34,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:41:34,274 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:41:34,274 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:41:34,275 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:41:34,275 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:41:34,275 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:41:34,276 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:41:34,276 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:41:34,277 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:41:34,277 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:41:34,277 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:41:34,278 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:41:34,278 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:41:34,278 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:41:34,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:41:34,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:41:34,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:41:34,280 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:41:34,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:41:34,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:41:34,281 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:41:34,282 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:41:34,282 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 23:41:34,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:41:34,282 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:41:34,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:41:34,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:41:34,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:41:34,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:41:34,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:41:34,284 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:41:34,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:41:34,285 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:41:34,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:41:34,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:41:34,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2022-11-25 23:41:34,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:41:34,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:41:34,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:41:34,608 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:41:34,608 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:41:34,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2022-11-25 23:41:37,762 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:41:38,360 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:41:38,363 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2022-11-25 23:41:38,413 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/data/9b2bfc607/f12daad081b2458f8a311eafab06491a/FLAG8dfd6c354 [2022-11-25 23:41:38,433 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/data/9b2bfc607/f12daad081b2458f8a311eafab06491a [2022-11-25 23:41:38,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:41:38,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:41:38,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:41:38,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:41:38,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:41:38,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:41:38" (1/1) ... [2022-11-25 23:41:38,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4216268f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:38, skipping insertion in model container [2022-11-25 23:41:38,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:41:38" (1/1) ... [2022-11-25 23:41:38,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:41:38,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:41:39,129 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:41:39,275 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:41:39,352 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:41:39,398 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:41:39,408 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:41:39,465 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:41:39,498 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-11-25 23:41:39,607 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:39,726 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-25 23:41:39,806 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:41:39,808 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:41:39,811 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:41:39,813 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 23:41:39,818 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:41:39,819 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:41:39,833 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:39,963 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:39,969 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-11-25 23:41:39,991 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:39,994 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-11-25 23:41:40,066 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:40,072 WARN L623 FunctionHandler]: Unknown extern function pagecache_write_begin [2022-11-25 23:41:40,073 WARN L623 FunctionHandler]: Unknown extern function file_update_time [2022-11-25 23:41:40,074 WARN L623 FunctionHandler]: Unknown extern function pagecache_write_end [2022-11-25 23:41:40,077 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:40,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:40,091 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:40,092 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-11-25 23:41:40,099 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:40,109 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 23:41:40,109 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:40,114 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,117 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:40,123 WARN L623 FunctionHandler]: Unknown extern function __splice_from_pipe [2022-11-25 23:41:40,129 WARN L623 FunctionHandler]: Unknown extern function splice_direct_to_actor [2022-11-25 23:41:40,142 WARN L623 FunctionHandler]: Unknown extern function vfs_fsync [2022-11-25 23:41:40,144 WARN L623 FunctionHandler]: Unknown extern function vfs_fsync [2022-11-25 23:41:40,159 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,162 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:41:40,163 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:41:40,172 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,173 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-25 23:41:40,174 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:41:40,178 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,179 WARN L623 FunctionHandler]: Unknown extern function set_user_nice [2022-11-25 23:41:40,180 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:41:40,181 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:41:40,183 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:41:40,184 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:41:40,184 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:41:40,186 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:41:40,192 WARN L623 FunctionHandler]: Unknown extern function bio_alloc [2022-11-25 23:41:40,194 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:41:40,203 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:41:40,208 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-25 23:41:40,210 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:40,211 WARN L623 FunctionHandler]: Unknown extern function ioctl_by_bdev [2022-11-25 23:41:40,211 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:40,222 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:40,222 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,224 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,225 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:40,230 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:40,232 WARN L623 FunctionHandler]: Unknown extern function d_path [2022-11-25 23:41:40,232 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:40,243 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:40,248 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:40,254 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:40,280 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-11-25 23:41:40,284 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-11-25 23:41:40,291 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-25 23:41:40,299 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,304 WARN L623 FunctionHandler]: Unknown extern function set_device_ro [2022-11-25 23:41:40,307 WARN L623 FunctionHandler]: Unknown extern function blk_queue_make_request [2022-11-25 23:41:40,308 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-11-25 23:41:40,309 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:40,315 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:40,317 WARN L623 FunctionHandler]: Unknown extern function set_blocksize [2022-11-25 23:41:40,318 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-25 23:41:40,320 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 23:41:40,326 WARN L623 FunctionHandler]: Unknown extern function ioctl_by_bdev [2022-11-25 23:41:40,327 WARN L623 FunctionHandler]: Unknown extern function invalidate_bdev [2022-11-25 23:41:40,328 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:40,328 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:40,329 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:40,345 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-25 23:41:40,347 WARN L623 FunctionHandler]: Unknown extern function invalidate_bdev [2022-11-25 23:41:40,348 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:40,348 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:40,350 WARN L623 FunctionHandler]: Unknown extern function ioctl_by_bdev [2022-11-25 23:41:40,350 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:40,351 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:40,355 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:41:40,369 WARN L623 FunctionHandler]: Unknown extern function vfs_getattr [2022-11-25 23:41:40,373 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:41:40,413 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:40,414 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:40,414 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:40,415 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:40,419 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,420 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:40,424 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:41:40,426 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:40,462 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,463 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:40,464 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:40,469 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:40,470 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:40,474 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,474 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:40,475 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:40,479 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,479 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:40,481 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:40,485 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,490 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:40,495 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:40,496 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,501 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,502 WARN L623 FunctionHandler]: Unknown extern function blk_alloc_queue [2022-11-25 23:41:40,502 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-11-25 23:41:40,503 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:41:40,504 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:41:40,504 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:41:40,506 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:40,507 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-25 23:41:40,507 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:41:40,511 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-25 23:41:40,511 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-25 23:41:40,512 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:41:40,512 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:41:40,516 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,517 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,518 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-25 23:41:40,521 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-25 23:41:40,530 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:40,531 WARN L623 FunctionHandler]: Unknown extern function get_disk [2022-11-25 23:41:40,541 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,542 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:40,547 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-11-25 23:41:40,548 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,549 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-25 23:41:40,550 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,550 WARN L623 FunctionHandler]: Unknown extern function blk_register_region [2022-11-25 23:41:40,557 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:40,557 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:40,558 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,559 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,559 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,560 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-25 23:41:40,564 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,569 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,570 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 23:41:40,572 WARN L623 FunctionHandler]: Unknown extern function blk_unregister_region [2022-11-25 23:41:40,574 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-25 23:41:40,595 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:41:40,597 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 23:41:40,615 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_7ded6c6d-836b-4e55-a280-aa77e2715074/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2022-11-25 23:41:40,621 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-25 23:41:40,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:41:40,688 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-25 23:41:40,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@562d96b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:40, skipping insertion in model container [2022-11-25 23:41:40,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:41:40,690 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:41:40,692 INFO L158 Benchmark]: Toolchain (without parser) took 2250.49ms. Allocated memory is still 188.7MB. Free memory was 134.3MB in the beginning and 107.8MB in the end (delta: 26.5MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2022-11-25 23:41:40,693 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:41:40,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2247.54ms. Allocated memory is still 188.7MB. Free memory was 134.3MB in the beginning and 107.8MB in the end (delta: 26.5MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2022-11-25 23:41:40,696 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 138.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2247.54ms. Allocated memory is still 188.7MB. Free memory was 134.3MB in the beginning and 107.8MB in the end (delta: 26.5MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3767]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- 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 23:41:43,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:41:43,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:41:43,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:41:43,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:41:43,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:41:43,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:41:43,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:41:43,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:41:43,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:41:43,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:41:43,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:41:43,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:41:43,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:41:43,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:41:43,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:41:43,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:41:43,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:41:43,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:41:43,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:41:43,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:41:43,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:41:43,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:41:43,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:41:43,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:41:43,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:41:43,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:41:43,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:41:43,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:41:43,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:41:43,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:41:43,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:41:43,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:41:43,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:41:43,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:41:43,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:41:43,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:41:43,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:41:43,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:41:43,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:41:43,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:41:43,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-25 23:41:43,371 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:41:43,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:41:43,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:41:43,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:41:43,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:41:43,374 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:41:43,374 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:41:43,374 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:41:43,375 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:41:43,375 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:41:43,375 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:41:43,376 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:41:43,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:41:43,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:41:43,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:41:43,378 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:41:43,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:41:43,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:41:43,379 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:41:43,379 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:41:43,379 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 23:41:43,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:41:43,380 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:41:43,380 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:41:43,381 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:41:43,381 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:41:43,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:41:43,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:41:43,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:41:43,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:41:43,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:41:43,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:41:43,383 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:41:43,383 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:41:43,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:41:43,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:41:43,384 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2022-11-25 23:41:43,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:41:43,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:41:43,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:41:43,881 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:41:43,883 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:41:43,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2022-11-25 23:41:47,568 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:41:48,232 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:41:48,233 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2022-11-25 23:41:48,280 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/data/56abccbce/072d5e8ca42b4d42973682e40b3b74c6/FLAG447bc335c [2022-11-25 23:41:48,312 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/data/56abccbce/072d5e8ca42b4d42973682e40b3b74c6 [2022-11-25 23:41:48,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:41:48,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:41:48,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:41:48,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:41:48,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:41:48,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:41:48" (1/1) ... [2022-11-25 23:41:48,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4591032f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:48, skipping insertion in model container [2022-11-25 23:41:48,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:41:48" (1/1) ... [2022-11-25 23:41:48,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:41:48,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:41:49,076 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:41:49,140 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:41:49,206 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:41:49,246 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:41:49,253 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:41:49,335 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:41:49,362 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-11-25 23:41:49,623 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-25 23:41:49,735 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:41:49,737 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:41:49,741 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:41:49,748 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 23:41:49,759 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:41:49,760 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:41:49,784 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:49,976 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:49,981 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-11-25 23:41:49,999 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:50,001 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-11-25 23:41:50,069 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:50,074 WARN L623 FunctionHandler]: Unknown extern function pagecache_write_begin [2022-11-25 23:41:50,077 WARN L623 FunctionHandler]: Unknown extern function file_update_time [2022-11-25 23:41:50,080 WARN L623 FunctionHandler]: Unknown extern function pagecache_write_end [2022-11-25 23:41:50,083 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:50,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:50,107 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:50,108 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-11-25 23:41:50,120 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:50,135 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 23:41:50,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:50,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:50,157 WARN L623 FunctionHandler]: Unknown extern function __splice_from_pipe [2022-11-25 23:41:50,172 WARN L623 FunctionHandler]: Unknown extern function splice_direct_to_actor [2022-11-25 23:41:50,202 WARN L623 FunctionHandler]: Unknown extern function vfs_fsync [2022-11-25 23:41:50,204 WARN L623 FunctionHandler]: Unknown extern function vfs_fsync [2022-11-25 23:41:50,231 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:41:50,233 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:41:50,244 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-25 23:41:50,245 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:41:50,250 WARN L623 FunctionHandler]: Unknown extern function set_user_nice [2022-11-25 23:41:50,253 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:41:50,254 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:41:50,258 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:41:50,263 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:41:50,268 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:41:50,274 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:41:50,280 WARN L623 FunctionHandler]: Unknown extern function bio_alloc [2022-11-25 23:41:50,282 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:41:50,299 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:41:50,307 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-25 23:41:50,313 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:50,314 WARN L623 FunctionHandler]: Unknown extern function ioctl_by_bdev [2022-11-25 23:41:50,314 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:50,329 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:50,336 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:50,343 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:50,344 WARN L623 FunctionHandler]: Unknown extern function d_path [2022-11-25 23:41:50,346 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:50,357 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:50,362 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:50,371 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:50,404 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-11-25 23:41:50,409 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-11-25 23:41:50,414 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-25 23:41:50,421 WARN L623 FunctionHandler]: Unknown extern function set_device_ro [2022-11-25 23:41:50,423 WARN L623 FunctionHandler]: Unknown extern function blk_queue_make_request [2022-11-25 23:41:50,424 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-11-25 23:41:50,425 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:50,426 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:50,427 WARN L623 FunctionHandler]: Unknown extern function set_blocksize [2022-11-25 23:41:50,427 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-25 23:41:50,429 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 23:41:50,430 WARN L623 FunctionHandler]: Unknown extern function ioctl_by_bdev [2022-11-25 23:41:50,431 WARN L623 FunctionHandler]: Unknown extern function invalidate_bdev [2022-11-25 23:41:50,432 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:50,432 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:50,433 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:50,450 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-25 23:41:50,452 WARN L623 FunctionHandler]: Unknown extern function invalidate_bdev [2022-11-25 23:41:50,453 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:50,454 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:50,455 WARN L623 FunctionHandler]: Unknown extern function ioctl_by_bdev [2022-11-25 23:41:50,456 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:50,456 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:50,461 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:41:50,476 WARN L623 FunctionHandler]: Unknown extern function vfs_getattr [2022-11-25 23:41:50,482 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:41:50,525 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:50,526 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:50,526 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:50,527 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:50,531 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:50,534 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:41:50,536 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:50,573 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:50,574 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:50,574 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:50,575 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:50,580 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:50,580 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:50,584 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:50,586 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:50,590 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:50,591 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:50,596 WARN L623 FunctionHandler]: Unknown extern function blk_alloc_queue [2022-11-25 23:41:50,597 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-11-25 23:41:50,597 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:41:50,598 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:41:50,599 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:41:50,600 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:50,601 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-25 23:41:50,602 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:41:50,606 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-25 23:41:50,606 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-25 23:41:50,607 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:41:50,607 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:41:50,612 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-25 23:41:50,616 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-25 23:41:50,620 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:50,621 WARN L623 FunctionHandler]: Unknown extern function get_disk [2022-11-25 23:41:50,621 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:50,626 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-11-25 23:41:50,628 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-25 23:41:50,629 WARN L623 FunctionHandler]: Unknown extern function blk_register_region [2022-11-25 23:41:50,630 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:50,630 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:50,632 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-25 23:41:50,658 WARN L623 FunctionHandler]: Unknown extern function blk_unregister_region [2022-11-25 23:41:50,658 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-25 23:41:50,675 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:41:50,677 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 23:41:50,682 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_7ded6c6d-836b-4e55-a280-aa77e2715074/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2022-11-25 23:41:50,688 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-25 23:41:50,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:41:50,777 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 23:41:50,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:41:50,903 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:41:50,939 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:41:50,942 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:41:50,944 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:41:50,945 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:41:50,953 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:41:50,953 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-11-25 23:41:50,964 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-25 23:41:50,966 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:41:50,967 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:41:50,968 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:41:50,968 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 23:41:50,969 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:41:50,970 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:41:50,971 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:50,978 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:50,978 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-11-25 23:41:50,981 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:50,982 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-11-25 23:41:50,987 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:50,988 WARN L623 FunctionHandler]: Unknown extern function pagecache_write_begin [2022-11-25 23:41:50,989 WARN L623 FunctionHandler]: Unknown extern function file_update_time [2022-11-25 23:41:50,990 WARN L623 FunctionHandler]: Unknown extern function pagecache_write_end [2022-11-25 23:41:50,991 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:50,993 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:50,995 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:50,995 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-11-25 23:41:50,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:51,000 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 23:41:51,000 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:51,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:51,003 WARN L623 FunctionHandler]: Unknown extern function __splice_from_pipe [2022-11-25 23:41:51,005 WARN L623 FunctionHandler]: Unknown extern function splice_direct_to_actor [2022-11-25 23:41:51,008 WARN L623 FunctionHandler]: Unknown extern function vfs_fsync [2022-11-25 23:41:51,009 WARN L623 FunctionHandler]: Unknown extern function vfs_fsync [2022-11-25 23:41:51,013 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:41:51,013 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:41:51,014 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-25 23:41:51,015 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:41:51,016 WARN L623 FunctionHandler]: Unknown extern function set_user_nice [2022-11-25 23:41:51,016 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:41:51,017 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:41:51,018 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:41:51,018 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:41:51,019 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:41:51,020 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:41:51,021 WARN L623 FunctionHandler]: Unknown extern function bio_alloc [2022-11-25 23:41:51,022 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:41:51,024 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:41:51,025 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-25 23:41:51,027 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:51,027 WARN L623 FunctionHandler]: Unknown extern function ioctl_by_bdev [2022-11-25 23:41:51,027 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:51,029 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,030 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,032 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,032 WARN L623 FunctionHandler]: Unknown extern function d_path [2022-11-25 23:41:51,033 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,034 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:51,035 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:51,037 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:51,042 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-11-25 23:41:51,043 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-11-25 23:41:51,044 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-25 23:41:51,048 WARN L623 FunctionHandler]: Unknown extern function set_device_ro [2022-11-25 23:41:51,049 WARN L623 FunctionHandler]: Unknown extern function blk_queue_make_request [2022-11-25 23:41:51,050 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-11-25 23:41:51,050 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:51,050 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:51,051 WARN L623 FunctionHandler]: Unknown extern function set_blocksize [2022-11-25 23:41:51,051 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-25 23:41:51,052 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 23:41:51,053 WARN L623 FunctionHandler]: Unknown extern function ioctl_by_bdev [2022-11-25 23:41:51,054 WARN L623 FunctionHandler]: Unknown extern function invalidate_bdev [2022-11-25 23:41:51,054 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:51,054 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:51,055 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:51,059 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-25 23:41:51,061 WARN L623 FunctionHandler]: Unknown extern function invalidate_bdev [2022-11-25 23:41:51,061 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:51,061 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:51,062 WARN L623 FunctionHandler]: Unknown extern function ioctl_by_bdev [2022-11-25 23:41:51,063 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,063 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:51,064 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:41:51,071 WARN L623 FunctionHandler]: Unknown extern function vfs_getattr [2022-11-25 23:41:51,074 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:41:51,086 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,086 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:51,086 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:51,087 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,088 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,090 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:41:51,091 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,103 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,104 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,104 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,104 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,106 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,106 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,107 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,108 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,111 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,111 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,113 WARN L623 FunctionHandler]: Unknown extern function blk_alloc_queue [2022-11-25 23:41:51,113 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-11-25 23:41:51,114 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:41:51,114 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:41:51,115 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:41:51,116 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:51,116 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-25 23:41:51,117 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:41:51,117 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-25 23:41:51,117 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-25 23:41:51,118 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:41:51,118 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:41:51,119 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-25 23:41:51,120 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-25 23:41:51,121 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,121 WARN L623 FunctionHandler]: Unknown extern function get_disk [2022-11-25 23:41:51,122 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,123 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-11-25 23:41:51,125 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-25 23:41:51,126 WARN L623 FunctionHandler]: Unknown extern function blk_register_region [2022-11-25 23:41:51,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:51,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:51,128 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-25 23:41:51,131 WARN L623 FunctionHandler]: Unknown extern function blk_unregister_region [2022-11-25 23:41:51,131 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-25 23:41:51,133 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:41:51,134 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 23:41:51,135 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_7ded6c6d-836b-4e55-a280-aa77e2715074/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2022-11-25 23:41:51,136 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-25 23:41:51,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:41:51,183 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:41:51,294 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:41:51,296 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:41:51,301 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:41:51,303 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:41:51,304 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:41:51,310 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:41:51,311 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-11-25 23:41:51,320 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-25 23:41:51,323 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:41:51,323 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:41:51,324 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:41:51,324 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 23:41:51,325 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:41:51,325 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:41:51,334 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:51,343 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:51,343 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-11-25 23:41:51,346 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:51,346 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-11-25 23:41:51,368 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,375 WARN L623 FunctionHandler]: Unknown extern function pagecache_write_begin [2022-11-25 23:41:51,376 WARN L623 FunctionHandler]: Unknown extern function file_update_time [2022-11-25 23:41:51,376 WARN L623 FunctionHandler]: Unknown extern function pagecache_write_end [2022-11-25 23:41:51,377 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:51,384 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:41:51,385 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-11-25 23:41:51,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:51,389 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 23:41:51,389 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:51,391 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:51,392 WARN L623 FunctionHandler]: Unknown extern function __splice_from_pipe [2022-11-25 23:41:51,393 WARN L623 FunctionHandler]: Unknown extern function splice_direct_to_actor [2022-11-25 23:41:51,396 WARN L623 FunctionHandler]: Unknown extern function vfs_fsync [2022-11-25 23:41:51,397 WARN L623 FunctionHandler]: Unknown extern function vfs_fsync [2022-11-25 23:41:51,400 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:41:51,400 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:41:51,401 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-25 23:41:51,402 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:41:51,402 WARN L623 FunctionHandler]: Unknown extern function set_user_nice [2022-11-25 23:41:51,403 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:41:51,404 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:41:51,404 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:41:51,431 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:41:51,431 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:41:51,432 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:41:51,433 WARN L623 FunctionHandler]: Unknown extern function bio_alloc [2022-11-25 23:41:51,434 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:41:51,437 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:41:51,438 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-25 23:41:51,440 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:51,440 WARN L623 FunctionHandler]: Unknown extern function ioctl_by_bdev [2022-11-25 23:41:51,440 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:51,443 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,445 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,446 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,446 WARN L623 FunctionHandler]: Unknown extern function d_path [2022-11-25 23:41:51,447 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,448 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:51,449 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:51,451 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:51,456 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-11-25 23:41:51,456 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-11-25 23:41:51,458 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-25 23:41:51,462 WARN L623 FunctionHandler]: Unknown extern function set_device_ro [2022-11-25 23:41:51,472 WARN L623 FunctionHandler]: Unknown extern function blk_queue_make_request [2022-11-25 23:41:51,477 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-11-25 23:41:51,478 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:51,478 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:51,479 WARN L623 FunctionHandler]: Unknown extern function set_blocksize [2022-11-25 23:41:51,479 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-25 23:41:51,480 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 23:41:51,481 WARN L623 FunctionHandler]: Unknown extern function ioctl_by_bdev [2022-11-25 23:41:51,481 WARN L623 FunctionHandler]: Unknown extern function invalidate_bdev [2022-11-25 23:41:51,482 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:51,482 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:51,483 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:51,503 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-25 23:41:51,518 WARN L623 FunctionHandler]: Unknown extern function invalidate_bdev [2022-11-25 23:41:51,519 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:51,519 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:51,520 WARN L623 FunctionHandler]: Unknown extern function ioctl_by_bdev [2022-11-25 23:41:51,521 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,521 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:41:51,522 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:41:51,534 WARN L623 FunctionHandler]: Unknown extern function vfs_getattr [2022-11-25 23:41:51,537 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:41:51,546 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,546 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-25 23:41:51,547 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-25 23:41:51,547 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,548 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,549 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:41:51,553 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,575 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,576 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,576 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,576 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,577 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,578 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,578 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,579 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,581 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,581 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,583 WARN L623 FunctionHandler]: Unknown extern function blk_alloc_queue [2022-11-25 23:41:51,583 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-11-25 23:41:51,584 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:41:51,584 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:41:51,584 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:41:51,588 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:41:51,589 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-25 23:41:51,590 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:41:51,590 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-25 23:41:51,590 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-25 23:41:51,591 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:41:51,591 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:41:51,592 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-25 23:41:51,593 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-25 23:41:51,593 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:41:51,594 WARN L623 FunctionHandler]: Unknown extern function get_disk [2022-11-25 23:41:51,594 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:41:51,596 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-11-25 23:41:51,597 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-25 23:41:51,598 WARN L623 FunctionHandler]: Unknown extern function blk_register_region [2022-11-25 23:41:51,598 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:51,598 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:41:51,600 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-25 23:41:51,601 WARN L623 FunctionHandler]: Unknown extern function blk_unregister_region [2022-11-25 23:41:51,602 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-25 23:41:51,603 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:41:51,604 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 23:41:51,605 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_7ded6c6d-836b-4e55-a280-aa77e2715074/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2022-11-25 23:41:51,606 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-25 23:41:51,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:41:51,689 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:41:51,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:51 WrapperNode [2022-11-25 23:41:51,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:41:51,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:41:51,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:41:51,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:41:51,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:51" (1/1) ... [2022-11-25 23:41:51,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:51" (1/1) ... [2022-11-25 23:41:51,941 INFO L138 Inliner]: procedures = 251, calls = 1201, calls flagged for inlining = 126, calls inlined = 115, statements flattened = 3397 [2022-11-25 23:41:51,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:41:51,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:41:51,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:41:51,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:41:51,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:51" (1/1) ... [2022-11-25 23:41:51,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:51" (1/1) ... [2022-11-25 23:41:51,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:51" (1/1) ... [2022-11-25 23:41:51,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:51" (1/1) ... [2022-11-25 23:41:52,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:51" (1/1) ... [2022-11-25 23:41:52,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:51" (1/1) ... [2022-11-25 23:41:52,172 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:51" (1/1) ... [2022-11-25 23:41:52,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:51" (1/1) ... [2022-11-25 23:41:52,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:41:52,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:41:52,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:41:52,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:41:52,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:51" (1/1) ... [2022-11-25 23:41:52,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:41:52,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:41:52,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:41:52,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:41:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-25 23:41:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-11-25 23:41:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-11-25 23:41:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-25 23:41:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 23:41:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:41:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-25 23:41:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:41:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2022-11-25 23:41:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2022-11-25 23:41:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-25 23:41:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-25 23:41:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 23:41:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 23:41:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:41:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:41:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2022-11-25 23:41:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2022-11-25 23:41:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2022-11-25 23:41:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2022-11-25 23:41:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-25 23:41:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-25 23:41:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2022-11-25 23:41:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2022-11-25 23:41:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2022-11-25 23:41:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2022-11-25 23:41:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-25 23:41:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-25 23:41:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 23:41:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 23:41:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2022-11-25 23:41:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2022-11-25 23:41:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2022-11-25 23:41:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2022-11-25 23:41:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2022-11-25 23:41:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2022-11-25 23:41:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-25 23:41:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-25 23:41:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-25 23:41:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-25 23:41:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:41:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:41:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2022-11-25 23:41:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2022-11-25 23:41:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2022-11-25 23:41:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2022-11-25 23:41:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2022-11-25 23:41:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2022-11-25 23:41:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2022-11-25 23:41:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2022-11-25 23:41:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2022-11-25 23:41:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2022-11-25 23:41:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:41:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2022-11-25 23:41:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2022-11-25 23:41:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2022-11-25 23:41:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2022-11-25 23:41:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:41:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-25 23:41:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-25 23:41:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-25 23:41:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-25 23:41:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-25 23:41:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:41:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 23:41:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:41:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-25 23:41:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-25 23:41:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 23:41:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-25 23:41:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-25 23:41:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-25 23:41:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-25 23:41:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-11-25 23:41:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-11-25 23:41:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 23:41:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 23:41:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2022-11-25 23:41:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2022-11-25 23:41:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-11-25 23:41:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-11-25 23:41:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 23:41:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 23:41:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2022-11-25 23:41:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2022-11-25 23:41:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2022-11-25 23:41:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2022-11-25 23:41:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2022-11-25 23:41:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2022-11-25 23:41:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2022-11-25 23:41:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2022-11-25 23:41:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2022-11-25 23:41:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2022-11-25 23:41:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2022-11-25 23:41:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2022-11-25 23:41:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2022-11-25 23:41:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2022-11-25 23:41:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:41:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:41:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:41:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:41:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-25 23:41:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-25 23:41:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-25 23:41:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-25 23:41:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-25 23:41:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-25 23:41:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-25 23:41:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-25 23:41:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-25 23:41:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-25 23:41:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2022-11-25 23:41:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2022-11-25 23:41:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-25 23:41:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-25 23:41:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:41:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-25 23:41:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-25 23:41:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:41:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2022-11-25 23:41:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2022-11-25 23:41:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:41:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-11-25 23:41:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-11-25 23:41:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2022-11-25 23:41:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2022-11-25 23:41:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 23:41:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-25 23:41:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2022-11-25 23:41:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2022-11-25 23:41:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-25 23:41:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-25 23:41:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-25 23:41:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-25 23:41:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-25 23:41:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-25 23:41:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2022-11-25 23:41:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2022-11-25 23:41:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-11-25 23:41:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-11-25 23:41:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2022-11-25 23:41:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2022-11-25 23:41:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-25 23:41:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-25 23:41:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2022-11-25 23:41:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2022-11-25 23:41:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2022-11-25 23:41:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2022-11-25 23:41:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-25 23:41:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-25 23:41:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-11-25 23:41:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-11-25 23:41:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-25 23:41:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:41:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:41:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-25 23:41:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-25 23:41:53,272 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:41:53,276 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:41:58,349 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 23:42:03,026 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-11-25 23:42:03,027 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-11-25 23:42:03,092 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-25 23:42:03,092 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-25 23:42:05,808 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 23:42:07,965 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-25 23:42:07,965 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-25 23:42:09,048 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 23:42:10,168 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 23:42:10,170 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 23:42:14,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##72: assume !false; [2022-11-25 23:42:14,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume false; [2022-11-25 23:42:14,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2022-11-25 23:42:14,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2022-11-25 23:42:14,625 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:42:14,664 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:42:14,664 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 23:42:14,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:42:14 BoogieIcfgContainer [2022-11-25 23:42:14,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:42:14,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:42:14,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:42:14,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:42:14,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:41:48" (1/3) ... [2022-11-25 23:42:14,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6393abb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:42:14, skipping insertion in model container [2022-11-25 23:42:14,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:51" (2/3) ... [2022-11-25 23:42:14,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6393abb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:42:14, skipping insertion in model container [2022-11-25 23:42:14,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:42:14" (3/3) ... [2022-11-25 23:42:14,683 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2022-11-25 23:42:14,708 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:42:14,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1063 error locations. [2022-11-25 23:42:14,831 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:42:14,843 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@55bfc530, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:42:14,843 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1063 error locations. [2022-11-25 23:42:14,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 2708 states, 1408 states have (on average 1.8977272727272727) internal successors, (2672), 2439 states have internal predecessors, (2672), 217 states have call successors, (217), 63 states have call predecessors, (217), 63 states have return successors, (217), 216 states have call predecessors, (217), 217 states have call successors, (217) [2022-11-25 23:42:14,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 23:42:14,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:42:14,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:42:14,864 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2022-11-25 23:42:14,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:42:14,870 INFO L85 PathProgramCache]: Analyzing trace with hash 542878057, now seen corresponding path program 1 times [2022-11-25 23:42:14,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:42:14,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567225962] [2022-11-25 23:42:14,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:42:14,888 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 23:42:14,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:42:14,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:14,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:42:15,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:42:15,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:42:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:42:15,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:42:15,888 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:42:15,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567225962] [2022-11-25 23:42:15,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1567225962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:42:15,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:42:15,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:42:15,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204510145] [2022-11-25 23:42:15,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:42:15,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:42:15,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:42:15,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:42:15,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:42:15,957 INFO L87 Difference]: Start difference. First operand has 2708 states, 1408 states have (on average 1.8977272727272727) internal successors, (2672), 2439 states have internal predecessors, (2672), 217 states have call successors, (217), 63 states have call predecessors, (217), 63 states have return successors, (217), 216 states have call predecessors, (217), 217 states have call successors, (217) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:42:16,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:42:16,480 INFO L93 Difference]: Finished difference Result 5403 states and 6187 transitions. [2022-11-25 23:42:16,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:42:16,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-25 23:42:16,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:42:16,529 INFO L225 Difference]: With dead ends: 5403 [2022-11-25 23:42:16,529 INFO L226 Difference]: Without dead ends: 5395 [2022-11-25 23:42:16,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 23:42:16,535 INFO L413 NwaCegarLoop]: 5924 mSDtfsCounter, 3092 mSDsluCounter, 3083 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3092 SdHoareTripleChecker+Valid, 9007 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:42:16,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3092 Valid, 9007 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:42:16,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5395 states. [2022-11-25 23:42:16,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5395 to 2701. [2022-11-25 23:42:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2701 states, 1403 states have (on average 1.895224518888097) internal successors, (2659), 2432 states have internal predecessors, (2659), 217 states have call successors, (217), 63 states have call predecessors, (217), 62 states have return successors, (215), 214 states have call predecessors, (215), 215 states have call successors, (215) [2022-11-25 23:42:16,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2701 states and 3091 transitions. [2022-11-25 23:42:16,854 INFO L78 Accepts]: Start accepts. Automaton has 2701 states and 3091 transitions. Word has length 11 [2022-11-25 23:42:16,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:42:16,856 INFO L495 AbstractCegarLoop]: Abstraction has 2701 states and 3091 transitions. [2022-11-25 23:42:16,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:42:16,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 3091 transitions. [2022-11-25 23:42:16,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:42:16,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:42:16,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:42:16,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:17,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:17,080 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2022-11-25 23:42:17,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:42:17,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1738429837, now seen corresponding path program 1 times [2022-11-25 23:42:17,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:42:17,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353832635] [2022-11-25 23:42:17,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:42:17,083 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 23:42:17,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:42:17,085 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:17,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:42:17,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:42:17,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:42:17,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:42:17,997 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:42:17,997 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:42:17,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353832635] [2022-11-25 23:42:17,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1353832635] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:42:17,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:42:17,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:42:17,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415208849] [2022-11-25 23:42:17,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:42:18,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:42:18,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:42:18,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:42:18,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:42:18,002 INFO L87 Difference]: Start difference. First operand 2701 states and 3091 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:42:18,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:42:18,111 INFO L93 Difference]: Finished difference Result 2689 states and 3071 transitions. [2022-11-25 23:42:18,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:42:18,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-25 23:42:18,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:42:18,126 INFO L225 Difference]: With dead ends: 2689 [2022-11-25 23:42:18,126 INFO L226 Difference]: Without dead ends: 2689 [2022-11-25 23:42:18,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 23:42:18,134 INFO L413 NwaCegarLoop]: 3067 mSDtfsCounter, 3068 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3068 SdHoareTripleChecker+Valid, 3067 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:42:18,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3068 Valid, 3067 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:42:18,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2022-11-25 23:42:18,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 2689. [2022-11-25 23:42:18,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2689 states, 1395 states have (on average 1.896057347670251) internal successors, (2645), 2424 states have internal predecessors, (2645), 214 states have call successors, (214), 62 states have call predecessors, (214), 61 states have return successors, (212), 211 states have call predecessors, (212), 212 states have call successors, (212) [2022-11-25 23:42:18,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 3071 transitions. [2022-11-25 23:42:18,239 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 3071 transitions. Word has length 12 [2022-11-25 23:42:18,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:42:18,240 INFO L495 AbstractCegarLoop]: Abstraction has 2689 states and 3071 transitions. [2022-11-25 23:42:18,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:42:18,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3071 transitions. [2022-11-25 23:42:18,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:42:18,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:42:18,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:42:18,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:18,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:18,464 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2022-11-25 23:42:18,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:42:18,464 INFO L85 PathProgramCache]: Analyzing trace with hash 3711182, now seen corresponding path program 1 times [2022-11-25 23:42:18,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:42:18,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826595272] [2022-11-25 23:42:18,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:42:18,466 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 23:42:18,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:42:18,468 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:18,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:42:19,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:42:19,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:42:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:42:19,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:42:19,332 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:42:19,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826595272] [2022-11-25 23:42:19,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826595272] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:42:19,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:42:19,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:42:19,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544796832] [2022-11-25 23:42:19,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:42:19,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:42:19,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:42:19,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:42:19,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:42:19,336 INFO L87 Difference]: Start difference. First operand 2689 states and 3071 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:42:19,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:42:19,443 INFO L93 Difference]: Finished difference Result 2689 states and 3068 transitions. [2022-11-25 23:42:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:42:19,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-25 23:42:19,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:42:19,454 INFO L225 Difference]: With dead ends: 2689 [2022-11-25 23:42:19,455 INFO L226 Difference]: Without dead ends: 2689 [2022-11-25 23:42:19,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 23:42:19,456 INFO L413 NwaCegarLoop]: 3065 mSDtfsCounter, 3063 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3063 SdHoareTripleChecker+Valid, 3065 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:42:19,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3063 Valid, 3065 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:42:19,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2022-11-25 23:42:19,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 2689. [2022-11-25 23:42:19,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2689 states, 1395 states have (on average 1.8939068100358423) internal successors, (2642), 2424 states have internal predecessors, (2642), 214 states have call successors, (214), 62 states have call predecessors, (214), 61 states have return successors, (212), 211 states have call predecessors, (212), 212 states have call successors, (212) [2022-11-25 23:42:19,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 3068 transitions. [2022-11-25 23:42:19,528 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 3068 transitions. Word has length 12 [2022-11-25 23:42:19,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:42:19,529 INFO L495 AbstractCegarLoop]: Abstraction has 2689 states and 3068 transitions. [2022-11-25 23:42:19,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:42:19,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3068 transitions. [2022-11-25 23:42:19,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:42:19,530 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:42:19,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:42:19,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:19,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:19,751 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2022-11-25 23:42:19,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:42:19,752 INFO L85 PathProgramCache]: Analyzing trace with hash -550411847, now seen corresponding path program 1 times [2022-11-25 23:42:19,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:42:19,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593345383] [2022-11-25 23:42:19,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:42:19,753 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 23:42:19,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:42:19,754 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:19,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:42:20,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:42:20,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:42:20,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:42:20,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:42:20,593 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:42:20,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593345383] [2022-11-25 23:42:20,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [593345383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:42:20,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:42:20,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:42:20,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774798694] [2022-11-25 23:42:20,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:42:20,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:42:20,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:42:20,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:42:20,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:42:20,599 INFO L87 Difference]: Start difference. First operand 2689 states and 3068 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:42:21,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:42:21,104 INFO L93 Difference]: Finished difference Result 3152 states and 3618 transitions. [2022-11-25 23:42:21,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:42:21,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-25 23:42:21,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:42:21,119 INFO L225 Difference]: With dead ends: 3152 [2022-11-25 23:42:21,119 INFO L226 Difference]: Without dead ends: 3152 [2022-11-25 23:42:21,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:42:21,121 INFO L413 NwaCegarLoop]: 3587 mSDtfsCounter, 960 mSDsluCounter, 5626 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 9213 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:42:21,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1039 Valid, 9213 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:42:21,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2022-11-25 23:42:21,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 2690. [2022-11-25 23:42:21,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 1396 states have (on average 1.893266475644699) internal successors, (2643), 2425 states have internal predecessors, (2643), 214 states have call successors, (214), 62 states have call predecessors, (214), 61 states have return successors, (212), 211 states have call predecessors, (212), 212 states have call successors, (212) [2022-11-25 23:42:21,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3069 transitions. [2022-11-25 23:42:21,198 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3069 transitions. Word has length 12 [2022-11-25 23:42:21,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:42:21,199 INFO L495 AbstractCegarLoop]: Abstraction has 2690 states and 3069 transitions. [2022-11-25 23:42:21,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:42:21,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3069 transitions. [2022-11-25 23:42:21,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 23:42:21,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:42:21,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:42:21,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:21,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:21,415 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2022-11-25 23:42:21,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:42:21,416 INFO L85 PathProgramCache]: Analyzing trace with hash 981051285, now seen corresponding path program 1 times [2022-11-25 23:42:21,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:42:21,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1505775175] [2022-11-25 23:42:21,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:42:21,417 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 23:42:21,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:42:21,419 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:21,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:42:22,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:42:22,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:42:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:42:22,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:42:22,233 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:42:22,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1505775175] [2022-11-25 23:42:22,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1505775175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:42:22,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:42:22,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:42:22,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491001344] [2022-11-25 23:42:22,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:42:22,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:42:22,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:42:22,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:42:22,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:42:22,236 INFO L87 Difference]: Start difference. First operand 2690 states and 3069 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:42:22,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:42:22,405 INFO L93 Difference]: Finished difference Result 5246 states and 5991 transitions. [2022-11-25 23:42:22,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:42:22,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-25 23:42:22,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:42:22,429 INFO L225 Difference]: With dead ends: 5246 [2022-11-25 23:42:22,430 INFO L226 Difference]: Without dead ends: 5246 [2022-11-25 23:42:22,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 23:42:22,431 INFO L413 NwaCegarLoop]: 3686 mSDtfsCounter, 3049 mSDsluCounter, 2919 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3049 SdHoareTripleChecker+Valid, 6605 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:42:22,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3049 Valid, 6605 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:42:22,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states. [2022-11-25 23:42:22,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 4220. [2022-11-25 23:42:22,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4220 states, 2711 states have (on average 1.901881224640354) internal successors, (5156), 3705 states have internal predecessors, (5156), 415 states have call successors, (415), 120 states have call predecessors, (415), 119 states have return successors, (418), 411 states have call predecessors, (418), 413 states have call successors, (418) [2022-11-25 23:42:22,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4220 states to 4220 states and 5989 transitions. [2022-11-25 23:42:22,598 INFO L78 Accepts]: Start accepts. Automaton has 4220 states and 5989 transitions. Word has length 16 [2022-11-25 23:42:22,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:42:22,598 INFO L495 AbstractCegarLoop]: Abstraction has 4220 states and 5989 transitions. [2022-11-25 23:42:22,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:42:22,599 INFO L276 IsEmpty]: Start isEmpty. Operand 4220 states and 5989 transitions. [2022-11-25 23:42:22,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 23:42:22,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:42:22,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:42:22,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:22,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:22,815 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONMEMORY_LEAK === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2022-11-25 23:42:22,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:42:22,816 INFO L85 PathProgramCache]: Analyzing trace with hash 981041407, now seen corresponding path program 1 times [2022-11-25 23:42:22,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:42:22,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172920912] [2022-11-25 23:42:22,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:42:22,817 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 23:42:22,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:42:22,818 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:22,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:42:23,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:42:23,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:42:23,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:42:23,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:42:23,622 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:42:23,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1172920912] [2022-11-25 23:42:23,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1172920912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:42:23,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:42:23,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:42:23,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38659347] [2022-11-25 23:42:23,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:42:23,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:42:23,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:42:23,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:42:23,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:42:23,625 INFO L87 Difference]: Start difference. First operand 4220 states and 5989 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:42:32,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:42:32,830 INFO L93 Difference]: Finished difference Result 4345 states and 6156 transitions. [2022-11-25 23:42:32,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:42:32,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-25 23:42:32,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:42:32,853 INFO L225 Difference]: With dead ends: 4345 [2022-11-25 23:42:32,854 INFO L226 Difference]: Without dead ends: 4337 [2022-11-25 23:42:32,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 23:42:32,855 INFO L413 NwaCegarLoop]: 3055 mSDtfsCounter, 128 mSDsluCounter, 2008 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 5063 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:42:32,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 5063 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1088 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-11-25 23:42:32,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4337 states. [2022-11-25 23:42:32,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4337 to 4291. [2022-11-25 23:42:32,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4291 states, 2775 states have (on average 1.8994594594594594) internal successors, (5271), 3769 states have internal predecessors, (5271), 422 states have call successors, (422), 120 states have call predecessors, (422), 119 states have return successors, (425), 418 states have call predecessors, (425), 420 states have call successors, (425) [2022-11-25 23:42:33,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4291 states to 4291 states and 6118 transitions. [2022-11-25 23:42:33,004 INFO L78 Accepts]: Start accepts. Automaton has 4291 states and 6118 transitions. Word has length 16 [2022-11-25 23:42:33,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:42:33,005 INFO L495 AbstractCegarLoop]: Abstraction has 4291 states and 6118 transitions. [2022-11-25 23:42:33,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:42:33,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4291 states and 6118 transitions. [2022-11-25 23:42:33,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-25 23:42:33,006 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:42:33,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:42:33,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:33,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:33,230 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr198REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2022-11-25 23:42:33,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:42:33,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1994446973, now seen corresponding path program 1 times [2022-11-25 23:42:33,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:42:33,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776821865] [2022-11-25 23:42:33,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:42:33,233 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 23:42:33,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:42:33,235 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:33,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:42:33,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:42:33,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:42:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:42:33,945 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:42:33,945 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:42:33,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776821865] [2022-11-25 23:42:33,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776821865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:42:33,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:42:33,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:42:33,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927837217] [2022-11-25 23:42:33,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:42:33,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:42:33,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:42:33,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:42:33,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:42:33,948 INFO L87 Difference]: Start difference. First operand 4291 states and 6118 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:42:34,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:42:34,076 INFO L93 Difference]: Finished difference Result 4222 states and 5990 transitions. [2022-11-25 23:42:34,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:42:34,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-25 23:42:34,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:42:34,118 INFO L225 Difference]: With dead ends: 4222 [2022-11-25 23:42:34,118 INFO L226 Difference]: Without dead ends: 4220 [2022-11-25 23:42:34,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:42:34,119 INFO L413 NwaCegarLoop]: 3067 mSDtfsCounter, 1 mSDsluCounter, 6127 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 9194 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:42:34,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 9194 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:42:34,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4220 states. [2022-11-25 23:42:34,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4220 to 4220. [2022-11-25 23:42:34,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4220 states, 2711 states have (on average 1.9015123570638142) internal successors, (5155), 3705 states have internal predecessors, (5155), 415 states have call successors, (415), 120 states have call predecessors, (415), 119 states have return successors, (418), 411 states have call predecessors, (418), 413 states have call successors, (418) [2022-11-25 23:42:34,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4220 states to 4220 states and 5988 transitions. [2022-11-25 23:42:34,268 INFO L78 Accepts]: Start accepts. Automaton has 4220 states and 5988 transitions. Word has length 18 [2022-11-25 23:42:34,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:42:34,268 INFO L495 AbstractCegarLoop]: Abstraction has 4220 states and 5988 transitions. [2022-11-25 23:42:34,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:42:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 4220 states and 5988 transitions. [2022-11-25 23:42:34,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 23:42:34,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:42:34,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 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 23:42:34,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:34,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:34,490 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2022-11-25 23:42:34,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:42:34,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1177214618, now seen corresponding path program 1 times [2022-11-25 23:42:34,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:42:34,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [98071116] [2022-11-25 23:42:34,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:42:34,492 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 23:42:34,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:42:34,493 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:34,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:42:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:42:36,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-25 23:42:36,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:42:42,003 INFO L321 Elim1Store]: treesize reduction 153, result has 18.2 percent of original size [2022-11-25 23:42:42,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 67 [2022-11-25 23:42:42,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:42:42,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:42:42,065 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:42:42,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [98071116] [2022-11-25 23:42:42,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [98071116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:42:42,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:42:42,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:42:42,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016658177] [2022-11-25 23:42:42,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:42:42,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:42:42,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:42:42,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:42:42,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=19, Unknown=2, NotChecked=0, Total=30 [2022-11-25 23:42:42,068 INFO L87 Difference]: Start difference. First operand 4220 states and 5988 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:42:46,756 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 [0] [2022-11-25 23:42:48,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:42:53,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:42:56,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:00,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:03,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:06,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:08,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:10,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:13,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:15,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:17,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:19,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:21,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:23,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:25,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:27,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:29,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:31,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:34,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:37,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:39,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:41,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:44,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:46,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:52,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:55,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:57,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:43:59,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:01,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:03,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:05,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:07,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:10,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:12,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:14,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:16,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:18,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:21,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:30,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:32,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:34,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:36,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:38,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:40,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:42,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:44,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:48,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:50,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:52,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:54,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:56,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:44:59,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:01,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:03,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:05,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:07,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:09,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:11,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:13,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:15,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:17,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:19,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:22,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:24,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:26,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:39,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:45:47,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:49,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:51,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:53,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:55,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:57,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:45:59,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:46:02,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:46:04,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:46:06,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:46:08,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:46:10,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:46:12,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:46:14,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:46:30,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:46:39,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:46:42,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:46:45,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:46:48,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:46:52,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:46:54,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:46:56,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:00,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:02,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:04,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:06,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:11,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:13,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:15,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:17,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:19,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:21,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:23,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:25,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:28,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:29,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:47:29,548 INFO L93 Difference]: Finished difference Result 8822 states and 12666 transitions. [2022-11-25 23:47:29,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:47:29,549 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2022-11-25 23:47:29,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:47:29,575 INFO L225 Difference]: With dead ends: 8822 [2022-11-25 23:47:29,576 INFO L226 Difference]: Without dead ends: 8822 [2022-11-25 23:47:29,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=27, Invalid=59, Unknown=4, NotChecked=0, Total=90 [2022-11-25 23:47:29,577 INFO L413 NwaCegarLoop]: 2147 mSDtfsCounter, 4110 mSDsluCounter, 7030 mSDsCounter, 0 mSdLazyCounter, 8113 mSolverCounterSat, 567 mSolverCounterUnsat, 441 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 272.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4248 SdHoareTripleChecker+Valid, 9177 SdHoareTripleChecker+Invalid, 9121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 567 IncrementalHoareTripleChecker+Valid, 8113 IncrementalHoareTripleChecker+Invalid, 441 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 278.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:47:29,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4248 Valid, 9177 Invalid, 9121 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [567 Valid, 8113 Invalid, 441 Unknown, 0 Unchecked, 278.4s Time] [2022-11-25 23:47:29,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8822 states. [2022-11-25 23:47:29,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8822 to 7096. [2022-11-25 23:47:29,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7096 states, 5180 states have (on average 1.9185328185328185) internal successors, (9938), 6132 states have internal predecessors, (9938), 804 states have call successors, (804), 231 states have call predecessors, (804), 225 states have return successors, (912), 763 states have call predecessors, (912), 802 states have call successors, (912) [2022-11-25 23:47:29,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7096 states to 7096 states and 11654 transitions. [2022-11-25 23:47:29,791 INFO L78 Accepts]: Start accepts. Automaton has 7096 states and 11654 transitions. Word has length 30 [2022-11-25 23:47:29,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:47:29,791 INFO L495 AbstractCegarLoop]: Abstraction has 7096 states and 11654 transitions. [2022-11-25 23:47:29,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:47:29,792 INFO L276 IsEmpty]: Start isEmpty. Operand 7096 states and 11654 transitions. [2022-11-25 23:47:29,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 23:47:29,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:47:29,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 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 23:47:29,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:47:30,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:47:30,007 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2022-11-25 23:47:30,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:47:30,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1177214617, now seen corresponding path program 1 times [2022-11-25 23:47:30,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:47:30,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290598130] [2022-11-25 23:47:30,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:47:30,009 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 23:47:30,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:47:30,010 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:47:30,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:47:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:47:31,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-25 23:47:31,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:47:32,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:32,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:32,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:32,940 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-25 23:47:32,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 18 treesize of output 32 [2022-11-25 23:47:33,035 INFO L321 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2022-11-25 23:47:33,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 24 [2022-11-25 23:47:33,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:47:33,443 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:47:33,443 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:47:33,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290598130] [2022-11-25 23:47:33,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1290598130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:47:33,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:47:33,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:47:33,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007266544] [2022-11-25 23:47:33,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:47:33,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:47:33,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:47:33,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:47:33,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=29, Unknown=1, NotChecked=0, Total=42 [2022-11-25 23:47:33,446 INFO L87 Difference]: Start difference. First operand 7096 states and 11654 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:47:36,864 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 [0] [2022-11-25 23:47:41,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:45,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:47,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:50,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:52,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:55,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:57,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:47:59,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:02,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:04,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:05,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:07,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:09,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:12,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:15,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:17,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:22,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:25,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:26,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:29,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:32,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:37,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:39,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:42,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:44,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:46,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:48,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:50,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:53,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:56,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:48:58,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:00,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:02,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:05,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:09,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:13,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:15,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:17,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:20,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:22,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:24,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:27,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:29,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:31,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:33,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:36,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:38,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:41,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:43,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:46,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:48,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:50,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:52,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:55,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:49:59,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:02,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:05,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:07,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:09,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:11,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:17,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:19,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:21,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:24,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:27,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:30,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:33,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:37,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:40,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:43,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:45,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:47,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:50,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:52,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:56,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:50:59,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:03,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:05,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:11,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:13,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:15,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:18,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:20,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:23,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:25,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:26,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:30,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:32,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:34,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:36,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:39,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:41,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:45,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:47,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:49,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:54,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:51:57,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:00,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:02,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:03,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:05,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:09,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:12,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:14,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:17,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:19,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:22,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:24,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:27,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:29,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:32,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:36,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:39,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:41,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:43,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:45,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:47,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:50,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:53,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:55,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:52:57,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:00,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:03,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:05,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:08,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:10,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:13,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:15,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:16,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:18,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:21,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:24,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:27,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:32,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:34,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:36,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:38,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:40,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:42,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:45,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:48,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:51,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:53:55,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:54:06,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:54:08,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:54:10,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:54:12,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:54:19,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:54:21,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:54:23,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:54:26,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:54:30,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:54:44,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:54:48,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:54:50,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:54:53,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:54:56,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:54:59,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:01,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:03,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:05,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:08,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:12,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:17,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:19,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:21,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:23,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:26,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:28,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:29,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:37,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:39,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:41,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:42,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:47,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:48,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:51,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:54,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:56,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:55:59,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:56:05,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:56:07,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:56:07,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:07,924 INFO L93 Difference]: Finished difference Result 10082 states and 16134 transitions. [2022-11-25 23:56:07,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 23:56:07,925 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2022-11-25 23:56:07,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:07,959 INFO L225 Difference]: With dead ends: 10082 [2022-11-25 23:56:07,959 INFO L226 Difference]: Without dead ends: 10082 [2022-11-25 23:56:07,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=46, Invalid=108, Unknown=2, NotChecked=0, Total=156 [2022-11-25 23:56:07,960 INFO L413 NwaCegarLoop]: 2477 mSDtfsCounter, 2695 mSDsluCounter, 6289 mSDsCounter, 0 mSdLazyCounter, 7350 mSolverCounterSat, 551 mSolverCounterUnsat, 329 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 503.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2713 SdHoareTripleChecker+Valid, 8766 SdHoareTripleChecker+Invalid, 8230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 551 IncrementalHoareTripleChecker+Valid, 7350 IncrementalHoareTripleChecker+Invalid, 329 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 510.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:07,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2713 Valid, 8766 Invalid, 8230 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [551 Valid, 7350 Invalid, 329 Unknown, 0 Unchecked, 510.4s Time] [2022-11-25 23:56:07,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10082 states. [2022-11-25 23:56:08,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10082 to 9542. [2022-11-25 23:56:08,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9542 states, 7144 states have (on average 1.881578947368421) internal successors, (13442), 8114 states have internal predecessors, (13442), 1149 states have call successors, (1149), 388 states have call predecessors, (1149), 382 states have return successors, (1323), 1095 states have call predecessors, (1323), 1147 states have call successors, (1323) [2022-11-25 23:56:08,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9542 states to 9542 states and 15914 transitions. [2022-11-25 23:56:08,293 INFO L78 Accepts]: Start accepts. Automaton has 9542 states and 15914 transitions. Word has length 30 [2022-11-25 23:56:08,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:08,295 INFO L495 AbstractCegarLoop]: Abstraction has 9542 states and 15914 transitions. [2022-11-25 23:56:08,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:56:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 9542 states and 15914 transitions. [2022-11-25 23:56:08,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 23:56:08,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:08,304 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 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 23:56:08,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:56:08,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:56:08,527 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting list_add_tailErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2022-11-25 23:56:08,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:08,528 INFO L85 PathProgramCache]: Analyzing trace with hash -2132823413, now seen corresponding path program 1 times [2022-11-25 23:56:08,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:56:08,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198599103] [2022-11-25 23:56:08,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:08,529 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 23:56:08,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:56:08,532 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:56:08,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:56:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:09,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:56:09,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:56:09,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:56:09,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:56:09,342 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:56:09,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198599103] [2022-11-25 23:56:09,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [198599103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:09,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:09,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:56:09,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679723536] [2022-11-25 23:56:09,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:09,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:56:09,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:56:09,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:56:09,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:56:09,344 INFO L87 Difference]: Start difference. First operand 9542 states and 15914 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:56:09,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:09,627 INFO L93 Difference]: Finished difference Result 9498 states and 15830 transitions. [2022-11-25 23:56:09,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:56:09,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2022-11-25 23:56:09,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:09,735 INFO L225 Difference]: With dead ends: 9498 [2022-11-25 23:56:09,736 INFO L226 Difference]: Without dead ends: 9498 [2022-11-25 23:56:09,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:56:09,737 INFO L413 NwaCegarLoop]: 3065 mSDtfsCounter, 5 mSDsluCounter, 9170 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 12235 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:09,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12235 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:56:09,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9498 states. [2022-11-25 23:56:09,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9498 to 9490. [2022-11-25 23:56:09,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9490 states, 7100 states have (on average 1.882112676056338) internal successors, (13363), 8069 states have internal predecessors, (13363), 1142 states have call successors, (1142), 384 states have call predecessors, (1142), 381 states have return successors, (1317), 1091 states have call predecessors, (1317), 1140 states have call successors, (1317) [2022-11-25 23:56:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9490 states to 9490 states and 15822 transitions. [2022-11-25 23:56:10,096 INFO L78 Accepts]: Start accepts. Automaton has 9490 states and 15822 transitions. Word has length 31 [2022-11-25 23:56:10,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:10,097 INFO L495 AbstractCegarLoop]: Abstraction has 9490 states and 15822 transitions. [2022-11-25 23:56:10,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:56:10,098 INFO L276 IsEmpty]: Start isEmpty. Operand 9490 states and 15822 transitions. [2022-11-25 23:56:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 23:56:10,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:10,100 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:56:10,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:56:10,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:56:10,322 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting loop_allocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2022-11-25 23:56:10,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:10,322 INFO L85 PathProgramCache]: Analyzing trace with hash 965308319, now seen corresponding path program 1 times [2022-11-25 23:56:10,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:56:10,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942745163] [2022-11-25 23:56:10,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:10,323 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 23:56:10,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:56:10,325 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:56:10,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:56:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:10,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-25 23:56:10,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:56:11,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:56:11,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:56:11,311 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:56:11,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942745163] [2022-11-25 23:56:11,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1942745163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:11,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:11,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 23:56:11,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523848255] [2022-11-25 23:56:11,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:11,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:56:11,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:56:11,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:56:11,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:56:11,313 INFO L87 Difference]: Start difference. First operand 9490 states and 15822 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:56:12,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:12,161 INFO L93 Difference]: Finished difference Result 9395 states and 15659 transitions. [2022-11-25 23:56:12,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:56:12,162 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 31 [2022-11-25 23:56:12,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:12,206 INFO L225 Difference]: With dead ends: 9395 [2022-11-25 23:56:12,206 INFO L226 Difference]: Without dead ends: 9395 [2022-11-25 23:56:12,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-25 23:56:12,208 INFO L413 NwaCegarLoop]: 3062 mSDtfsCounter, 18 mSDsluCounter, 18336 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 21398 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:12,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 21398 Invalid, 70 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:56:12,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9395 states. [2022-11-25 23:56:12,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9395 to 9395. [2022-11-25 23:56:12,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9395 states, 7021 states have (on average 1.8840620994160375) internal successors, (13228), 7992 states have internal predecessors, (13228), 1128 states have call successors, (1128), 379 states have call predecessors, (1128), 379 states have return successors, (1303), 1078 states have call predecessors, (1303), 1126 states have call successors, (1303) [2022-11-25 23:56:12,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9395 states to 9395 states and 15659 transitions. [2022-11-25 23:56:12,599 INFO L78 Accepts]: Start accepts. Automaton has 9395 states and 15659 transitions. Word has length 31 [2022-11-25 23:56:12,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:12,599 INFO L495 AbstractCegarLoop]: Abstraction has 9395 states and 15659 transitions. [2022-11-25 23:56:12,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:56:12,600 INFO L276 IsEmpty]: Start isEmpty. Operand 9395 states and 15659 transitions. [2022-11-25 23:56:12,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 23:56:12,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:12,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 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 23:56:12,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:56:12,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:56:12,820 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2022-11-25 23:56:12,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:12,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1726747929, now seen corresponding path program 1 times [2022-11-25 23:56:12,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:56:12,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708674819] [2022-11-25 23:56:12,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:12,821 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 23:56:12,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:56:12,824 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:56:12,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ded6c6d-836b-4e55-a280-aa77e2715074/bin/utaipan-ByfvJB40ur/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 23:56:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:14,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 23:56:14,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:56:14,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-25 23:56:14,599 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 7 treesize of output 3 [2022-11-25 23:56:14,878 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 23:56:14,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:56:14,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:56:14,986 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:56:14,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708674819] [2022-11-25 23:56:14,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708674819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:14,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:14,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:56:14,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442221185] [2022-11-25 23:56:14,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:14,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:56:14,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:56:14,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:56:14,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:56:14,988 INFO L87 Difference]: Start difference. First operand 9395 states and 15659 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)