./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 05:28:39,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:28:39,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:28:39,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:28:39,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:28:39,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:28:39,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:28:39,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:28:39,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:28:39,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:28:39,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:28:39,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:28:39,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:28:39,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:28:39,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:28:39,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:28:39,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:28:39,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:28:39,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:28:39,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:28:39,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:28:39,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:28:39,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:28:39,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:28:39,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:28:39,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:28:39,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:28:39,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:28:39,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:28:39,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:28:39,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:28:39,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:28:39,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:28:39,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:28:39,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:28:39,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:28:39,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:28:39,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:28:39,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:28:39,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:28:39,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:28:39,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 05:28:39,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:28:39,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:28:39,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:28:39,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:28:39,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:28:39,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:28:39,503 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:28:39,503 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:28:39,503 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:28:39,503 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:28:39,503 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:28:39,504 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:28:39,504 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:28:39,504 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:28:39,504 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:28:39,504 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:28:39,504 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:28:39,505 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:28:39,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:28:39,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:28:39,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:28:39,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:28:39,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:28:39,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:28:39,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:28:39,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:28:39,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:28:39,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:28:39,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:28:39,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:28:39,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:28:39,507 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:28:39,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:28:39,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:28:39,508 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:28:39,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:28:39,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:28:39,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:28:39,508 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_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b [2022-12-14 05:28:39,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:28:39,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:28:39,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:28:39,714 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:28:39,714 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:28:39,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2022-12-14 05:28:42,280 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:28:42,603 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:28:42,604 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2022-12-14 05:28:42,625 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/data/f83da0e6c/ad5d45205de54cc3a0363ad4bc4f7543/FLAG646721710 [2022-12-14 05:28:42,638 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/data/f83da0e6c/ad5d45205de54cc3a0363ad4bc4f7543 [2022-12-14 05:28:42,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:28:42,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:28:42,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:28:42,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:28:42,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:28:42,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:28:42" (1/1) ... [2022-12-14 05:28:42,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1508f051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:28:42, skipping insertion in model container [2022-12-14 05:28:42,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:28:42" (1/1) ... [2022-12-14 05:28:42,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:28:42,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:28:43,061 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-12-14 05:28:43,066 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-12-14 05:28:43,103 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:28:43,103 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:28:43,104 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:28:43,105 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 05:28:43,108 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:28:43,108 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 05:28:43,141 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 05:28:43,143 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 05:28:43,146 WARN L623 FunctionHandler]: Unknown extern function pi_write_regr [2022-12-14 05:28:43,151 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,157 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 05:28:43,158 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,159 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,160 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,160 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 05:28:43,165 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 05:28:43,165 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-12-14 05:28:43,166 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,171 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,171 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,173 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,177 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,178 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,181 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-14 05:28:43,184 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 05:28:43,185 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,185 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,189 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,199 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 05:28:43,201 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,202 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,203 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,203 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,204 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,233 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,238 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,238 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,246 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 05:28:43,248 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:28:43,249 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 05:28:43,256 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:28:43,256 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,264 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:28:43,268 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,269 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,270 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,271 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,272 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-12-14 05:28:43,273 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,274 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,279 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,280 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,281 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,282 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,282 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,283 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,284 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 05:28:43,284 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,288 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,289 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:28:43,289 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-12-14 05:28:43,291 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 05:28:43,291 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 05:28:43,295 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 05:28:43,295 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 05:28:43,296 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 05:28:43,296 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:28:43,305 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:28:43,305 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,306 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:28:43,306 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 05:28:43,307 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,307 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:28:43,307 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,308 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:28:43,308 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,308 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,309 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,309 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:28:43,309 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,309 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:28:43,310 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,313 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_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2022-12-14 05:28:43,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:28:43,381 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:28:43,435 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-12-14 05:28:43,436 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-12-14 05:28:43,438 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:28:43,439 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:28:43,439 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:28:43,439 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 05:28:43,440 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:28:43,440 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 05:28:43,443 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 05:28:43,443 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 05:28:43,444 WARN L623 FunctionHandler]: Unknown extern function pi_write_regr [2022-12-14 05:28:43,445 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,446 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,447 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 05:28:43,448 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,448 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,449 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,449 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,449 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 05:28:43,451 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 05:28:43,451 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-12-14 05:28:43,451 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,453 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,454 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,456 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,456 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,457 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-14 05:28:43,458 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 05:28:43,458 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,460 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,463 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 05:28:43,464 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,464 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,465 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,477 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,479 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 05:28:43,480 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:28:43,480 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 05:28:43,481 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:28:43,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,484 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,488 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:28:43,493 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,493 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,495 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,496 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,496 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,497 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-12-14 05:28:43,498 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,498 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,504 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,504 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:28:43,505 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,506 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,506 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,507 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,508 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 05:28:43,508 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:28:43,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:28:43,510 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:28:43,511 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-12-14 05:28:43,512 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 05:28:43,513 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 05:28:43,515 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 05:28:43,515 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 05:28:43,516 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 05:28:43,516 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:28:43,520 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:28:43,520 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,521 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:28:43,521 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 05:28:43,522 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,522 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:28:43,522 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,523 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:28:43,523 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,523 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,523 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,524 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:28:43,524 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,524 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:28:43,524 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:28:43,525 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_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2022-12-14 05:28:43,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:28:43,579 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:28:43,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:28:43 WrapperNode [2022-12-14 05:28:43,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:28:43,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:28:43,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:28:43,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:28:43,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:28:43" (1/1) ... [2022-12-14 05:28:43,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:28:43" (1/1) ... [2022-12-14 05:28:43,684 INFO L138 Inliner]: procedures = 144, calls = 795, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 1455 [2022-12-14 05:28:43,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:28:43,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:28:43,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:28:43,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:28:43,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:28:43" (1/1) ... [2022-12-14 05:28:43,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:28:43" (1/1) ... [2022-12-14 05:28:43,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:28:43" (1/1) ... [2022-12-14 05:28:43,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:28:43" (1/1) ... [2022-12-14 05:28:43,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:28:43" (1/1) ... [2022-12-14 05:28:43,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:28:43" (1/1) ... [2022-12-14 05:28:43,755 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:28:43" (1/1) ... [2022-12-14 05:28:43,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:28:43" (1/1) ... [2022-12-14 05:28:43,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:28:43,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:28:43,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:28:43,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:28:43,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:28:43" (1/1) ... [2022-12-14 05:28:43,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:28:43,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:28:43,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:28:43,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:28:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2022-12-14 05:28:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2022-12-14 05:28:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-12-14 05:28:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-12-14 05:28:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2022-12-14 05:28:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2022-12-14 05:28:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pt_mutex [2022-12-14 05:28:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pt_mutex [2022-12-14 05:28:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2022-12-14 05:28:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2022-12-14 05:28:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:28:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2022-12-14 05:28:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2022-12-14 05:28:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-12-14 05:28:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-12-14 05:28:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2022-12-14 05:28:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2022-12-14 05:28:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 05:28:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 05:28:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2022-12-14 05:28:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2022-12-14 05:28:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2022-12-14 05:28:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2022-12-14 05:28:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2022-12-14 05:28:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2022-12-14 05:28:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:28:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 05:28:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 05:28:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2022-12-14 05:28:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2022-12-14 05:28:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 05:28:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 05:28:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 05:28:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 05:28:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2022-12-14 05:28:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2022-12-14 05:28:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:28:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2022-12-14 05:28:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2022-12-14 05:28:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pt_mutex [2022-12-14 05:28:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pt_mutex [2022-12-14 05:28:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 05:28:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 05:28:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2022-12-14 05:28:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2022-12-14 05:28:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 05:28:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 05:28:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:28:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_17 [2022-12-14 05:28:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_17 [2022-12-14 05:28:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 05:28:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 05:28:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 05:28:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 05:28:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:28:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:28:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2022-12-14 05:28:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2022-12-14 05:28:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2022-12-14 05:28:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2022-12-14 05:28:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:28:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2022-12-14 05:28:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2022-12-14 05:28:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2022-12-14 05:28:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2022-12-14 05:28:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-12-14 05:28:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-12-14 05:28:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2022-12-14 05:28:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2022-12-14 05:28:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:28:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 05:28:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2022-12-14 05:28:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2022-12-14 05:28:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2022-12-14 05:28:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2022-12-14 05:28:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 05:28:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 05:28:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2022-12-14 05:28:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2022-12-14 05:28:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2022-12-14 05:28:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2022-12-14 05:28:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-12-14 05:28:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-12-14 05:28:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2022-12-14 05:28:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2022-12-14 05:28:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:28:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2022-12-14 05:28:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2022-12-14 05:28:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2022-12-14 05:28:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2022-12-14 05:28:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 05:28:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 05:28:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:28:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:28:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2022-12-14 05:28:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2022-12-14 05:28:44,125 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:28:44,127 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:28:49,591 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:28:49,889 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:28:49,890 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 05:28:49,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:28:49 BoogieIcfgContainer [2022-12-14 05:28:49,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:28:49,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:28:49,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:28:49,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:28:49,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:28:42" (1/3) ... [2022-12-14 05:28:49,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59765520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:28:49, skipping insertion in model container [2022-12-14 05:28:49,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:28:43" (2/3) ... [2022-12-14 05:28:49,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59765520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:28:49, skipping insertion in model container [2022-12-14 05:28:49,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:28:49" (3/3) ... [2022-12-14 05:28:49,897 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2022-12-14 05:28:49,912 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:28:49,912 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:28:49,955 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:28:49,960 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@9945b18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:28:49,960 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:28:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 541 states, 334 states have (on average 1.377245508982036) internal successors, (460), 356 states have internal predecessors, (460), 167 states have call successors, (167), 42 states have call predecessors, (167), 42 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) [2022-12-14 05:28:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 05:28:49,972 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:49,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:28:49,973 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:49,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:49,977 INFO L85 PathProgramCache]: Analyzing trace with hash 770451110, now seen corresponding path program 1 times [2022-12-14 05:28:49,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:49,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292326101] [2022-12-14 05:28:49,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:49,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:28:50,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:50,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292326101] [2022-12-14 05:28:50,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292326101] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:50,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:28:50,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:28:50,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933539402] [2022-12-14 05:28:50,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:50,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:28:50,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:50,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:28:50,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:28:50,290 INFO L87 Difference]: Start difference. First operand has 541 states, 334 states have (on average 1.377245508982036) internal successors, (460), 356 states have internal predecessors, (460), 167 states have call successors, (167), 42 states have call predecessors, (167), 42 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:51,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:51,264 INFO L93 Difference]: Finished difference Result 1314 states and 1963 transitions. [2022-12-14 05:28:51,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:28:51,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-12-14 05:28:51,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:51,279 INFO L225 Difference]: With dead ends: 1314 [2022-12-14 05:28:51,279 INFO L226 Difference]: Without dead ends: 770 [2022-12-14 05:28:51,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:28:51,288 INFO L413 NwaCegarLoop]: 862 mSDtfsCounter, 349 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 1508 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:51,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 1508 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 05:28:51,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2022-12-14 05:28:51,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 750. [2022-12-14 05:28:51,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 457 states have (on average 1.3676148796498906) internal successors, (625), 479 states have internal predecessors, (625), 228 states have call successors, (228), 65 states have call predecessors, (228), 64 states have return successors, (222), 222 states have call predecessors, (222), 222 states have call successors, (222) [2022-12-14 05:28:51,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1075 transitions. [2022-12-14 05:28:51,383 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1075 transitions. Word has length 16 [2022-12-14 05:28:51,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:51,383 INFO L495 AbstractCegarLoop]: Abstraction has 750 states and 1075 transitions. [2022-12-14 05:28:51,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:51,383 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1075 transitions. [2022-12-14 05:28:51,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 05:28:51,384 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:51,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:28:51,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:28:51,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:51,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:51,385 INFO L85 PathProgramCache]: Analyzing trace with hash 213437873, now seen corresponding path program 1 times [2022-12-14 05:28:51,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:51,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923845638] [2022-12-14 05:28:51,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:51,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:51,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:28:51,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:51,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923845638] [2022-12-14 05:28:51,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923845638] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:51,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:28:51,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:28:51,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379734254] [2022-12-14 05:28:51,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:51,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:28:51,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:51,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:28:51,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:28:51,471 INFO L87 Difference]: Start difference. First operand 750 states and 1075 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-12-14 05:28:51,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:51,760 INFO L93 Difference]: Finished difference Result 1499 states and 2149 transitions. [2022-12-14 05:28:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:28:51,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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 15 [2022-12-14 05:28:51,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:51,765 INFO L225 Difference]: With dead ends: 1499 [2022-12-14 05:28:51,765 INFO L226 Difference]: Without dead ends: 750 [2022-12-14 05:28:51,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:28:51,768 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 752 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:51,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 670 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:28:51,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2022-12-14 05:28:51,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 750. [2022-12-14 05:28:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 457 states have (on average 1.363238512035011) internal successors, (623), 479 states have internal predecessors, (623), 228 states have call successors, (228), 65 states have call predecessors, (228), 64 states have return successors, (222), 222 states have call predecessors, (222), 222 states have call successors, (222) [2022-12-14 05:28:51,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1073 transitions. [2022-12-14 05:28:51,803 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1073 transitions. Word has length 15 [2022-12-14 05:28:51,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:51,803 INFO L495 AbstractCegarLoop]: Abstraction has 750 states and 1073 transitions. [2022-12-14 05:28:51,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-12-14 05:28:51,804 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1073 transitions. [2022-12-14 05:28:51,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 05:28:51,804 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:51,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:28:51,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:28:51,805 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:51,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:51,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1080365072, now seen corresponding path program 1 times [2022-12-14 05:28:51,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:51,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895625427] [2022-12-14 05:28:51,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:51,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:51,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:28:51,912 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:51,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895625427] [2022-12-14 05:28:51,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895625427] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:51,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:28:51,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:28:51,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501425060] [2022-12-14 05:28:51,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:51,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:28:51,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:51,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:28:51,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:28:51,914 INFO L87 Difference]: Start difference. First operand 750 states and 1073 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:52,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:52,406 INFO L93 Difference]: Finished difference Result 1659 states and 2355 transitions. [2022-12-14 05:28:52,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:28:52,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-12-14 05:28:52,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:52,412 INFO L225 Difference]: With dead ends: 1659 [2022-12-14 05:28:52,412 INFO L226 Difference]: Without dead ends: 910 [2022-12-14 05:28:52,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:28:52,415 INFO L413 NwaCegarLoop]: 830 mSDtfsCounter, 327 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:52,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 1381 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 05:28:52,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2022-12-14 05:28:52,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 910. [2022-12-14 05:28:52,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 549 states have (on average 1.3479052823315119) internal successors, (740), 576 states have internal predecessors, (740), 273 states have call successors, (273), 88 states have call predecessors, (273), 87 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2022-12-14 05:28:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1280 transitions. [2022-12-14 05:28:52,476 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1280 transitions. Word has length 17 [2022-12-14 05:28:52,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:52,476 INFO L495 AbstractCegarLoop]: Abstraction has 910 states and 1280 transitions. [2022-12-14 05:28:52,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:52,476 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1280 transitions. [2022-12-14 05:28:52,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 05:28:52,477 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:52,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:28:52,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:28:52,478 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:52,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:52,478 INFO L85 PathProgramCache]: Analyzing trace with hash -157987456, now seen corresponding path program 1 times [2022-12-14 05:28:52,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:52,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218180649] [2022-12-14 05:28:52,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:52,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:52,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:28:52,563 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:52,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218180649] [2022-12-14 05:28:52,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218180649] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:52,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:28:52,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:28:52,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653536784] [2022-12-14 05:28:52,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:52,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:28:52,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:52,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:28:52,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:28:52,565 INFO L87 Difference]: Start difference. First operand 910 states and 1280 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-12-14 05:28:53,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:53,017 INFO L93 Difference]: Finished difference Result 1834 states and 2586 transitions. [2022-12-14 05:28:53,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:28:53,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 19 [2022-12-14 05:28:53,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:53,023 INFO L225 Difference]: With dead ends: 1834 [2022-12-14 05:28:53,023 INFO L226 Difference]: Without dead ends: 934 [2022-12-14 05:28:53,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:28:53,028 INFO L413 NwaCegarLoop]: 671 mSDtfsCounter, 12 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:53,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1337 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 05:28:53,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2022-12-14 05:28:53,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 912. [2022-12-14 05:28:53,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 551 states have (on average 1.3466424682395643) internal successors, (742), 578 states have internal predecessors, (742), 273 states have call successors, (273), 88 states have call predecessors, (273), 87 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2022-12-14 05:28:53,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1282 transitions. [2022-12-14 05:28:53,085 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1282 transitions. Word has length 19 [2022-12-14 05:28:53,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:53,085 INFO L495 AbstractCegarLoop]: Abstraction has 912 states and 1282 transitions. [2022-12-14 05:28:53,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-12-14 05:28:53,086 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1282 transitions. [2022-12-14 05:28:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 05:28:53,086 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:53,087 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] [2022-12-14 05:28:53,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 05:28:53,087 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:53,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:53,087 INFO L85 PathProgramCache]: Analyzing trace with hash 678522849, now seen corresponding path program 1 times [2022-12-14 05:28:53,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:53,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243703496] [2022-12-14 05:28:53,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:53,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:53,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:28:53,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:53,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243703496] [2022-12-14 05:28:53,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243703496] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:28:53,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029721261] [2022-12-14 05:28:53,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:53,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:28:53,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:28:53,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:28:53,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 05:28:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:53,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:28:53,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:28:53,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:28:53,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:28:53,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029721261] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:53,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:28:53,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 05:28:53,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487121224] [2022-12-14 05:28:53,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:53,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:28:53,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:53,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:28:53,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:53,548 INFO L87 Difference]: Start difference. First operand 912 states and 1282 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-12-14 05:28:54,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:54,057 INFO L93 Difference]: Finished difference Result 2013 states and 2879 transitions. [2022-12-14 05:28:54,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:28:54,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 23 [2022-12-14 05:28:54,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:54,063 INFO L225 Difference]: With dead ends: 2013 [2022-12-14 05:28:54,064 INFO L226 Difference]: Without dead ends: 1111 [2022-12-14 05:28:54,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:54,068 INFO L413 NwaCegarLoop]: 924 mSDtfsCounter, 184 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 1639 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:54,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 1639 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 05:28:54,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2022-12-14 05:28:54,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 922. [2022-12-14 05:28:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 561 states have (on average 1.3511586452762923) internal successors, (758), 588 states have internal predecessors, (758), 273 states have call successors, (273), 88 states have call predecessors, (273), 87 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2022-12-14 05:28:54,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1298 transitions. [2022-12-14 05:28:54,126 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1298 transitions. Word has length 23 [2022-12-14 05:28:54,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:54,126 INFO L495 AbstractCegarLoop]: Abstraction has 922 states and 1298 transitions. [2022-12-14 05:28:54,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-12-14 05:28:54,126 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1298 transitions. [2022-12-14 05:28:54,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 05:28:54,127 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:54,127 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] [2022-12-14 05:28:54,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 05:28:54,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:28:54,328 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:54,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:54,329 INFO L85 PathProgramCache]: Analyzing trace with hash 6169476, now seen corresponding path program 1 times [2022-12-14 05:28:54,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:54,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608836935] [2022-12-14 05:28:54,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:54,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:28:54,430 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:54,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608836935] [2022-12-14 05:28:54,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608836935] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:28:54,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574069293] [2022-12-14 05:28:54,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:54,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:28:54,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:28:54,431 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:28:54,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 05:28:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:54,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:28:54,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:28:54,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:28:54,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:28:54,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574069293] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:54,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:28:54,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 05:28:54,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469194337] [2022-12-14 05:28:54,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:54,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:28:54,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:54,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:28:54,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:54,751 INFO L87 Difference]: Start difference. First operand 922 states and 1298 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:55,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:55,058 INFO L93 Difference]: Finished difference Result 924 states and 1299 transitions. [2022-12-14 05:28:55,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:28:55,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-12-14 05:28:55,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:55,062 INFO L225 Difference]: With dead ends: 924 [2022-12-14 05:28:55,062 INFO L226 Difference]: Without dead ends: 921 [2022-12-14 05:28:55,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:55,063 INFO L413 NwaCegarLoop]: 668 mSDtfsCounter, 733 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:55,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 668 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 05:28:55,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2022-12-14 05:28:55,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2022-12-14 05:28:55,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 561 states have (on average 1.3493761140819964) internal successors, (757), 587 states have internal predecessors, (757), 272 states have call successors, (272), 88 states have call predecessors, (272), 87 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2022-12-14 05:28:55,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1296 transitions. [2022-12-14 05:28:55,097 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1296 transitions. Word has length 28 [2022-12-14 05:28:55,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:55,097 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1296 transitions. [2022-12-14 05:28:55,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:55,097 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1296 transitions. [2022-12-14 05:28:55,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 05:28:55,098 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:55,098 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] [2022-12-14 05:28:55,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 05:28:55,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 05:28:55,299 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:55,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:55,299 INFO L85 PathProgramCache]: Analyzing trace with hash 190870354, now seen corresponding path program 1 times [2022-12-14 05:28:55,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:55,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665364350] [2022-12-14 05:28:55,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:55,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:55,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:28:55,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:55,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665364350] [2022-12-14 05:28:55,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665364350] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:28:55,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94413826] [2022-12-14 05:28:55,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:55,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:28:55,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:28:55,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:28:55,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 05:28:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:55,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:28:55,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:28:55,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:28:55,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:28:55,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94413826] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:55,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:28:55,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 05:28:55,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775820468] [2022-12-14 05:28:55,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:55,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:28:55,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:55,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:28:55,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:55,733 INFO L87 Difference]: Start difference. First operand 921 states and 1296 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:56,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:56,013 INFO L93 Difference]: Finished difference Result 923 states and 1297 transitions. [2022-12-14 05:28:56,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:28:56,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-12-14 05:28:56,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:56,019 INFO L225 Difference]: With dead ends: 923 [2022-12-14 05:28:56,019 INFO L226 Difference]: Without dead ends: 920 [2022-12-14 05:28:56,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:56,020 INFO L413 NwaCegarLoop]: 666 mSDtfsCounter, 730 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:56,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 666 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:28:56,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2022-12-14 05:28:56,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2022-12-14 05:28:56,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 561 states have (on average 1.3475935828877006) internal successors, (756), 586 states have internal predecessors, (756), 271 states have call successors, (271), 88 states have call predecessors, (271), 87 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2022-12-14 05:28:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1294 transitions. [2022-12-14 05:28:56,079 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1294 transitions. Word has length 29 [2022-12-14 05:28:56,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:56,080 INFO L495 AbstractCegarLoop]: Abstraction has 920 states and 1294 transitions. [2022-12-14 05:28:56,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:56,080 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1294 transitions. [2022-12-14 05:28:56,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 05:28:56,081 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:56,081 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] [2022-12-14 05:28:56,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 05:28:56,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:28:56,281 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:56,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:56,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1621635143, now seen corresponding path program 1 times [2022-12-14 05:28:56,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:56,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497316927] [2022-12-14 05:28:56,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:56,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:56,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:28:56,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:56,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497316927] [2022-12-14 05:28:56,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497316927] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:28:56,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892455286] [2022-12-14 05:28:56,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:56,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:28:56,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:28:56,375 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:28:56,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 05:28:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:56,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:28:56,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:28:56,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:28:56,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:28:56,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892455286] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:56,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:28:56,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 05:28:56,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481165440] [2022-12-14 05:28:56,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:56,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:28:56,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:56,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:28:56,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:56,707 INFO L87 Difference]: Start difference. First operand 920 states and 1294 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:56,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:56,965 INFO L93 Difference]: Finished difference Result 922 states and 1295 transitions. [2022-12-14 05:28:56,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:28:56,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-12-14 05:28:56,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:56,969 INFO L225 Difference]: With dead ends: 922 [2022-12-14 05:28:56,970 INFO L226 Difference]: Without dead ends: 919 [2022-12-14 05:28:56,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:56,971 INFO L413 NwaCegarLoop]: 664 mSDtfsCounter, 727 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:56,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 664 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:28:56,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2022-12-14 05:28:57,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 919. [2022-12-14 05:28:57,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 561 states have (on average 1.3458110516934045) internal successors, (755), 585 states have internal predecessors, (755), 270 states have call successors, (270), 88 states have call predecessors, (270), 87 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2022-12-14 05:28:57,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1292 transitions. [2022-12-14 05:28:57,043 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1292 transitions. Word has length 30 [2022-12-14 05:28:57,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:57,043 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1292 transitions. [2022-12-14 05:28:57,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:57,044 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1292 transitions. [2022-12-14 05:28:57,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 05:28:57,044 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:57,044 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] [2022-12-14 05:28:57,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 05:28:57,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:28:57,246 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:57,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:57,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1269291787, now seen corresponding path program 1 times [2022-12-14 05:28:57,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:57,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230374084] [2022-12-14 05:28:57,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:57,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:28:57,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:57,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230374084] [2022-12-14 05:28:57,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230374084] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:28:57,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376398025] [2022-12-14 05:28:57,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:57,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:28:57,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:28:57,442 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:28:57,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 05:28:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:57,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:28:57,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:28:57,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:28:57,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:28:57,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376398025] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:57,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:28:57,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 05:28:57,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554707862] [2022-12-14 05:28:57,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:57,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:28:57,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:57,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:28:57,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:57,777 INFO L87 Difference]: Start difference. First operand 919 states and 1292 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:58,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:58,169 INFO L93 Difference]: Finished difference Result 1072 states and 1488 transitions. [2022-12-14 05:28:58,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:28:58,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-12-14 05:28:58,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:58,174 INFO L225 Difference]: With dead ends: 1072 [2022-12-14 05:28:58,174 INFO L226 Difference]: Without dead ends: 1045 [2022-12-14 05:28:58,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:58,175 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 669 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:58,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 1002 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 05:28:58,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2022-12-14 05:28:58,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1045. [2022-12-14 05:28:58,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 624 states have (on average 1.3221153846153846) internal successors, (825), 650 states have internal predecessors, (825), 314 states have call successors, (314), 107 states have call predecessors, (314), 106 states have return successors, (313), 313 states have call predecessors, (313), 313 states have call successors, (313) [2022-12-14 05:28:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1452 transitions. [2022-12-14 05:28:58,236 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1452 transitions. Word has length 31 [2022-12-14 05:28:58,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:58,236 INFO L495 AbstractCegarLoop]: Abstraction has 1045 states and 1452 transitions. [2022-12-14 05:28:58,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1452 transitions. [2022-12-14 05:28:58,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 05:28:58,237 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:58,238 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:28:58,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 05:28:58,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:28:58,439 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:58,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:58,439 INFO L85 PathProgramCache]: Analyzing trace with hash -671212478, now seen corresponding path program 1 times [2022-12-14 05:28:58,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:58,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921157056] [2022-12-14 05:28:58,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:58,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:58,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:28:58,566 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:58,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921157056] [2022-12-14 05:28:58,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921157056] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:28:58,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635326896] [2022-12-14 05:28:58,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:58,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:28:58,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:28:58,568 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:28:58,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 05:28:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:58,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:28:58,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:28:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:28:58,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:28:58,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635326896] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:58,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:28:58,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 05:28:58,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452803497] [2022-12-14 05:28:58,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:58,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:28:58,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:58,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:28:58,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:58,894 INFO L87 Difference]: Start difference. First operand 1045 states and 1452 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 05:28:59,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:59,341 INFO L93 Difference]: Finished difference Result 2086 states and 2900 transitions. [2022-12-14 05:28:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:28:59,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-12-14 05:28:59,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:59,349 INFO L225 Difference]: With dead ends: 2086 [2022-12-14 05:28:59,349 INFO L226 Difference]: Without dead ends: 1051 [2022-12-14 05:28:59,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:59,352 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 4 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1270 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:59,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1270 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 05:28:59,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2022-12-14 05:28:59,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 1047. [2022-12-14 05:28:59,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 626 states have (on average 1.3210862619808306) internal successors, (827), 652 states have internal predecessors, (827), 314 states have call successors, (314), 107 states have call predecessors, (314), 106 states have return successors, (313), 313 states have call predecessors, (313), 313 states have call successors, (313) [2022-12-14 05:28:59,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1454 transitions. [2022-12-14 05:28:59,394 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1454 transitions. Word has length 51 [2022-12-14 05:28:59,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:59,394 INFO L495 AbstractCegarLoop]: Abstraction has 1047 states and 1454 transitions. [2022-12-14 05:28:59,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 05:28:59,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1454 transitions. [2022-12-14 05:28:59,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 05:28:59,395 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:59,396 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:28:59,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 05:28:59,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:28:59,596 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:59,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:59,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1188224271, now seen corresponding path program 1 times [2022-12-14 05:28:59,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:59,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490697636] [2022-12-14 05:28:59,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:59,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:28:59,710 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:59,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490697636] [2022-12-14 05:28:59,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490697636] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:28:59,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885182948] [2022-12-14 05:28:59,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:59,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:28:59,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:28:59,712 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:28:59,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 05:29:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:00,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:29:00,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:29:00,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:29:00,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:29:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:29:00,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885182948] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:29:00,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1769336945] [2022-12-14 05:29:00,119 INFO L159 IcfgInterpreter]: Started Sifa with 51 locations of interest [2022-12-14 05:29:00,119 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:29:00,122 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:29:00,127 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:29:00,127 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:29:00,766 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 140 treesize of output 116 [2022-12-14 05:29:00,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 23 select indices, 23 select index equivalence classes, 300 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 881 treesize of output 771 [2022-12-14 05:29:01,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-12-14 05:29:01,381 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 134 treesize of output 110 [2022-12-14 05:29:01,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-12-14 05:29:04,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:07,500 INFO L321 Elim1Store]: treesize reduction 1134, result has 33.4 percent of original size [2022-12-14 05:29:07,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 66 select indices, 66 select index equivalence classes, 2082 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 126 case distinctions, treesize of input 337 treesize of output 781 [2022-12-14 05:29:08,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:08,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 64 select indices, 64 select index equivalence classes, 2081 disjoint index pairs (out of 2016 index pairs), introduced 64 new quantified variables, introduced 0 case distinctions, treesize of input 327 treesize of output 518 [2022-12-14 05:29:09,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:09,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:09,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 409 treesize of output 325 [2022-12-14 05:29:09,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:09,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:09,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 394 treesize of output 317 [2022-12-14 05:29:09,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:09,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:09,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 405 treesize of output 326 [2022-12-14 05:29:09,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:09,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:09,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 403 treesize of output 324 [2022-12-14 05:29:10,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 403 treesize of output 324 [2022-12-14 05:29:10,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 408 treesize of output 329 [2022-12-14 05:29:10,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:10,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 05:29:10,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-14 05:29:10,761 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Unexpected substitution problem. at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:305) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:427) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:122) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:119) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 05:29:10,770 INFO L158 Benchmark]: Toolchain (without parser) took 28127.18ms. Allocated memory was 142.6MB in the beginning and 434.1MB in the end (delta: 291.5MB). Free memory was 101.2MB in the beginning and 174.2MB in the end (delta: -73.0MB). Peak memory consumption was 296.6MB. Max. memory is 16.1GB. [2022-12-14 05:29:10,771 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:29:10,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 936.12ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 101.2MB in the beginning and 86.2MB in the end (delta: 15.0MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2022-12-14 05:29:10,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.81ms. Allocated memory is still 172.0MB. Free memory was 86.2MB in the beginning and 76.9MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 05:29:10,773 INFO L158 Benchmark]: Boogie Preprocessor took 86.92ms. Allocated memory is still 172.0MB. Free memory was 76.9MB in the beginning and 114.8MB in the end (delta: -37.9MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-12-14 05:29:10,773 INFO L158 Benchmark]: RCFGBuilder took 6120.24ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 114.8MB in the beginning and 122.4MB in the end (delta: -7.6MB). Peak memory consumption was 111.9MB. Max. memory is 16.1GB. [2022-12-14 05:29:10,774 INFO L158 Benchmark]: TraceAbstraction took 20875.50ms. Allocated memory was 207.6MB in the beginning and 434.1MB in the end (delta: 226.5MB). Free memory was 121.4MB in the beginning and 174.2MB in the end (delta: -52.8MB). Peak memory consumption was 249.7MB. Max. memory is 16.1GB. [2022-12-14 05:29:10,779 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 936.12ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 101.2MB in the beginning and 86.2MB in the end (delta: 15.0MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.81ms. Allocated memory is still 172.0MB. Free memory was 86.2MB in the beginning and 76.9MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.92ms. Allocated memory is still 172.0MB. Free memory was 76.9MB in the beginning and 114.8MB in the end (delta: -37.9MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * RCFGBuilder took 6120.24ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 114.8MB in the beginning and 122.4MB in the end (delta: -7.6MB). Peak memory consumption was 111.9MB. Max. memory is 16.1GB. * TraceAbstraction took 20875.50ms. Allocated memory was 207.6MB in the beginning and 434.1MB in the end (delta: 226.5MB). Free memory was 121.4MB in the beginning and 174.2MB in the end (delta: -52.8MB). Peak memory consumption was 249.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Unexpected substitution problem. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Unexpected substitution problem.: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 05:29:10,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 05:29:12,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:29:12,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:29:12,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:29:12,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:29:12,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:29:12,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:29:12,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:29:12,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:29:12,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:29:12,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:29:12,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:29:12,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:29:12,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:29:12,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:29:12,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:29:12,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:29:12,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:29:12,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:29:12,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:29:12,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:29:12,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:29:12,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:29:12,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:29:12,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:29:12,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:29:12,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:29:12,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:29:12,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:29:12,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:29:12,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:29:12,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:29:12,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:29:12,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:29:12,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:29:12,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:29:12,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:29:12,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:29:12,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:29:12,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:29:12,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:29:12,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 05:29:12,507 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:29:12,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:29:12,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:29:12,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:29:12,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:29:12,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:29:12,509 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:29:12,510 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:29:12,510 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:29:12,510 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:29:12,510 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:29:12,510 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:29:12,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:29:12,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:29:12,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:29:12,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:29:12,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:29:12,512 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 05:29:12,512 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 05:29:12,513 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 05:29:12,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:29:12,513 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:29:12,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:29:12,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:29:12,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 05:29:12,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:29:12,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:29:12,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:29:12,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:29:12,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:29:12,515 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 05:29:12,515 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 05:29:12,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:29:12,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:29:12,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 05:29:12,516 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_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b [2022-12-14 05:29:12,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:29:12,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:29:12,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:29:12,771 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:29:12,772 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:29:12,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2022-12-14 05:29:15,356 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:29:15,692 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:29:15,692 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2022-12-14 05:29:15,715 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/data/9d0d379bc/c7c9c1fdbe3d4ce18dc78334f8302278/FLAGa2192abaa [2022-12-14 05:29:15,727 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/data/9d0d379bc/c7c9c1fdbe3d4ce18dc78334f8302278 [2022-12-14 05:29:15,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:29:15,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:29:15,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:29:15,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:29:15,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:29:15,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:29:15" (1/1) ... [2022-12-14 05:29:15,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7123d431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:15, skipping insertion in model container [2022-12-14 05:29:15,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:29:15" (1/1) ... [2022-12-14 05:29:15,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:29:15,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:29:16,175 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-12-14 05:29:16,180 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-12-14 05:29:16,214 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:29:16,214 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:29:16,215 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:29:16,216 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 05:29:16,218 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:29:16,218 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 05:29:16,247 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 05:29:16,249 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 05:29:16,250 WARN L623 FunctionHandler]: Unknown extern function pi_write_regr [2022-12-14 05:29:16,255 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,257 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,260 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 05:29:16,261 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,262 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,263 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,263 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 05:29:16,267 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 05:29:16,267 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-12-14 05:29:16,268 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,272 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,273 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,274 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,278 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,278 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,281 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-14 05:29:16,283 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 05:29:16,284 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,285 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,285 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,288 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,298 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 05:29:16,299 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,300 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,301 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,319 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,327 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,331 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 05:29:16,333 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:29:16,334 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 05:29:16,335 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:29:16,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,339 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,342 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,344 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:29:16,349 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,349 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,350 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,352 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,352 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,353 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-12-14 05:29:16,353 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,354 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,359 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,359 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,360 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,362 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,362 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,363 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,363 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 05:29:16,364 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,368 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:29:16,368 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-12-14 05:29:16,369 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 05:29:16,370 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 05:29:16,374 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 05:29:16,374 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 05:29:16,374 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 05:29:16,375 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:29:16,383 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,383 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,384 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,384 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 05:29:16,384 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,385 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,385 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,385 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,386 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,386 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,386 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,386 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,393 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,393 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,394 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,397 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_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2022-12-14 05:29:16,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:29:16,484 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 05:29:16,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:29:16,579 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-12-14 05:29:16,580 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-12-14 05:29:16,583 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:29:16,584 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:29:16,584 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:29:16,585 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 05:29:16,586 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:29:16,587 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 05:29:16,590 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 05:29:16,591 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 05:29:16,591 WARN L623 FunctionHandler]: Unknown extern function pi_write_regr [2022-12-14 05:29:16,593 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,596 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 05:29:16,597 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,598 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,598 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,599 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,599 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 05:29:16,601 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 05:29:16,601 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-12-14 05:29:16,602 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,603 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,604 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,607 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,607 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,608 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-14 05:29:16,609 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 05:29:16,610 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,610 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,611 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,612 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,615 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 05:29:16,616 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,618 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,629 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,630 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,630 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,631 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,633 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,635 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 05:29:16,637 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:29:16,637 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 05:29:16,638 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:29:16,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,642 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,644 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,645 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:29:16,649 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,650 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,651 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,652 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,652 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,653 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-12-14 05:29:16,653 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,654 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,658 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,658 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,659 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,660 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,661 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,661 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 05:29:16,661 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,663 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:29:16,664 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-12-14 05:29:16,665 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 05:29:16,665 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 05:29:16,666 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 05:29:16,667 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 05:29:16,667 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 05:29:16,668 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:29:16,670 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,670 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,671 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,671 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 05:29:16,671 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,672 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,672 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,672 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,672 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,673 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,673 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,673 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,673 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,674 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,674 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,675 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_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2022-12-14 05:29:16,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:29:16,691 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:29:16,742 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-12-14 05:29:16,742 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-12-14 05:29:16,744 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:29:16,744 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:29:16,745 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:29:16,745 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 05:29:16,746 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:29:16,746 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 05:29:16,747 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 05:29:16,748 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 05:29:16,748 WARN L623 FunctionHandler]: Unknown extern function pi_write_regr [2022-12-14 05:29:16,749 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,750 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,751 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 05:29:16,751 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,752 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,752 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,752 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,752 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 05:29:16,753 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 05:29:16,754 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-12-14 05:29:16,754 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,756 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,756 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,756 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,758 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,758 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,759 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-14 05:29:16,759 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 05:29:16,759 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,760 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,760 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,761 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,763 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 05:29:16,764 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,765 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,765 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,765 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,766 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,772 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,773 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,776 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,778 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 05:29:16,779 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:29:16,779 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 05:29:16,780 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:29:16,780 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,782 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,785 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:29:16,788 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,788 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,789 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,790 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,790 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,790 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-12-14 05:29:16,791 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,791 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,804 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,804 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:29:16,805 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,805 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,805 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,806 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,806 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 05:29:16,807 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 05:29:16,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:29:16,808 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:29:16,809 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-12-14 05:29:16,809 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 05:29:16,810 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 05:29:16,811 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 05:29:16,811 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 05:29:16,812 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 05:29:16,812 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 05:29:16,814 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,814 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,815 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,815 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 05:29:16,815 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,815 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,816 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,816 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,816 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,816 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,817 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,817 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,817 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,817 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:29:16,818 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:29:16,818 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_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2022-12-14 05:29:16,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:29:16,863 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:29:16,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:16 WrapperNode [2022-12-14 05:29:16,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:29:16,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:29:16,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:29:16,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:29:16,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:16" (1/1) ... [2022-12-14 05:29:16,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:16" (1/1) ... [2022-12-14 05:29:16,938 INFO L138 Inliner]: procedures = 152, calls = 795, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 1383 [2022-12-14 05:29:16,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:29:16,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:29:16,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:29:16,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:29:16,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:16" (1/1) ... [2022-12-14 05:29:16,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:16" (1/1) ... [2022-12-14 05:29:16,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:16" (1/1) ... [2022-12-14 05:29:16,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:16" (1/1) ... [2022-12-14 05:29:16,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:16" (1/1) ... [2022-12-14 05:29:16,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:16" (1/1) ... [2022-12-14 05:29:17,005 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:16" (1/1) ... [2022-12-14 05:29:17,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:16" (1/1) ... [2022-12-14 05:29:17,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:29:17,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:29:17,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:29:17,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:29:17,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:16" (1/1) ... [2022-12-14 05:29:17,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:29:17,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:29:17,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:29:17,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:29:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2022-12-14 05:29:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2022-12-14 05:29:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-12-14 05:29:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-12-14 05:29:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-14 05:29:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2022-12-14 05:29:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2022-12-14 05:29:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pt_mutex [2022-12-14 05:29:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pt_mutex [2022-12-14 05:29:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2022-12-14 05:29:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2022-12-14 05:29:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 05:29:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-14 05:29:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2022-12-14 05:29:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2022-12-14 05:29:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-12-14 05:29:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-12-14 05:29:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2022-12-14 05:29:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2022-12-14 05:29:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 05:29:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 05:29:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2022-12-14 05:29:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2022-12-14 05:29:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2022-12-14 05:29:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2022-12-14 05:29:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2022-12-14 05:29:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2022-12-14 05:29:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 05:29:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 05:29:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2022-12-14 05:29:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2022-12-14 05:29:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 05:29:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 05:29:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 05:29:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 05:29:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2022-12-14 05:29:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2022-12-14 05:29:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:29:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2022-12-14 05:29:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2022-12-14 05:29:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pt_mutex [2022-12-14 05:29:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pt_mutex [2022-12-14 05:29:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 05:29:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 05:29:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2022-12-14 05:29:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2022-12-14 05:29:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 05:29:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 05:29:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:29:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_17 [2022-12-14 05:29:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_17 [2022-12-14 05:29:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 05:29:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 05:29:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 05:29:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 05:29:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:29:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:29:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2022-12-14 05:29:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2022-12-14 05:29:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2022-12-14 05:29:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2022-12-14 05:29:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:29:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2022-12-14 05:29:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2022-12-14 05:29:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2022-12-14 05:29:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2022-12-14 05:29:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-12-14 05:29:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-12-14 05:29:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-14 05:29:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2022-12-14 05:29:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2022-12-14 05:29:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:29:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 05:29:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 05:29:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2022-12-14 05:29:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2022-12-14 05:29:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2022-12-14 05:29:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2022-12-14 05:29:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 05:29:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 05:29:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 05:29:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 05:29:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2022-12-14 05:29:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2022-12-14 05:29:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-14 05:29:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2022-12-14 05:29:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2022-12-14 05:29:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-12-14 05:29:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-12-14 05:29:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2022-12-14 05:29:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2022-12-14 05:29:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2022-12-14 05:29:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2022-12-14 05:29:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2022-12-14 05:29:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2022-12-14 05:29:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 05:29:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 05:29:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:29:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:29:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2022-12-14 05:29:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2022-12-14 05:29:17,391 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:29:17,394 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:29:43,243 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:29:43,252 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:29:43,252 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 05:29:43,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:29:43 BoogieIcfgContainer [2022-12-14 05:29:43,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:29:43,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:29:43,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:29:43,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:29:43,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:29:15" (1/3) ... [2022-12-14 05:29:43,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67acc3dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:29:43, skipping insertion in model container [2022-12-14 05:29:43,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:29:16" (2/3) ... [2022-12-14 05:29:43,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67acc3dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:29:43, skipping insertion in model container [2022-12-14 05:29:43,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:29:43" (3/3) ... [2022-12-14 05:29:43,260 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2022-12-14 05:29:43,272 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:29:43,273 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:29:43,320 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:29:43,324 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@51018f3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:29:43,324 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:29:43,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 675 states, 468 states have (on average 1.3547008547008548) internal successors, (634), 490 states have internal predecessors, (634), 167 states have call successors, (167), 42 states have call predecessors, (167), 42 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) [2022-12-14 05:29:43,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 05:29:43,337 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:29:43,337 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:29:43,338 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:29:43,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:29:43,341 INFO L85 PathProgramCache]: Analyzing trace with hash 190683400, now seen corresponding path program 1 times [2022-12-14 05:29:43,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:29:43,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1939024385] [2022-12-14 05:29:43,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:43,352 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 [2022-12-14 05:29:43,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:29:43,353 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:29:43,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:43,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:29:43,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:29:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:29:43,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:29:43,924 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:29:43,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1939024385] [2022-12-14 05:29:43,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1939024385] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:29:43,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:29:43,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:29:43,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258025093] [2022-12-14 05:29:43,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:29:43,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:29:43,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:29:43,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:29:43,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:29:43,965 INFO L87 Difference]: Start difference. First operand has 675 states, 468 states have (on average 1.3547008547008548) internal successors, (634), 490 states have internal predecessors, (634), 167 states have call successors, (167), 42 states have call predecessors, (167), 42 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:29:46,258 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 [] [2022-12-14 05:29:46,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:29:46,393 INFO L93 Difference]: Finished difference Result 1648 states and 2398 transitions. [2022-12-14 05:29:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:29:46,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-12-14 05:29:46,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:29:46,415 INFO L225 Difference]: With dead ends: 1648 [2022-12-14 05:29:46,415 INFO L226 Difference]: Without dead ends: 968 [2022-12-14 05:29:46,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:29:46,423 INFO L413 NwaCegarLoop]: 1199 mSDtfsCounter, 441 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 2095 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:29:46,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 2095 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 05:29:46,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2022-12-14 05:29:46,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 940. [2022-12-14 05:29:46,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 647 states have (on average 1.3493044822256568) internal successors, (873), 669 states have internal predecessors, (873), 228 states have call successors, (228), 65 states have call predecessors, (228), 64 states have return successors, (222), 222 states have call predecessors, (222), 222 states have call successors, (222) [2022-12-14 05:29:46,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1323 transitions. [2022-12-14 05:29:46,524 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1323 transitions. Word has length 19 [2022-12-14 05:29:46,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:29:46,524 INFO L495 AbstractCegarLoop]: Abstraction has 940 states and 1323 transitions. [2022-12-14 05:29:46,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:29:46,524 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1323 transitions. [2022-12-14 05:29:46,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 05:29:46,525 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:29:46,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:29:46,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:46,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:46,728 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:29:46,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:29:46,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1941306824, now seen corresponding path program 1 times [2022-12-14 05:29:46,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:29:46,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185179062] [2022-12-14 05:29:46,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:46,734 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 [2022-12-14 05:29:46,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:29:46,737 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:29:46,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:47,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:29:47,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:29:47,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:29:47,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:29:47,471 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:29:47,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185179062] [2022-12-14 05:29:47,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185179062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:29:47,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:29:47,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:29:47,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792435509] [2022-12-14 05:29:47,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:29:47,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:29:47,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:29:47,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:29:47,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:29:47,474 INFO L87 Difference]: Start difference. First operand 940 states and 1323 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2022-12-14 05:29:47,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:29:47,550 INFO L93 Difference]: Finished difference Result 1877 states and 2643 transitions. [2022-12-14 05:29:47,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:29:47,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 19 [2022-12-14 05:29:47,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:29:47,555 INFO L225 Difference]: With dead ends: 1877 [2022-12-14 05:29:47,555 INFO L226 Difference]: Without dead ends: 940 [2022-12-14 05:29:47,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:29:47,558 INFO L413 NwaCegarLoop]: 929 mSDtfsCounter, 920 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 920 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:29:47,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 929 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:29:47,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2022-12-14 05:29:47,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 940. [2022-12-14 05:29:47,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 647 states have (on average 1.3462132921174652) internal successors, (871), 669 states have internal predecessors, (871), 228 states have call successors, (228), 65 states have call predecessors, (228), 64 states have return successors, (222), 222 states have call predecessors, (222), 222 states have call successors, (222) [2022-12-14 05:29:47,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1321 transitions. [2022-12-14 05:29:47,599 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1321 transitions. Word has length 19 [2022-12-14 05:29:47,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:29:47,599 INFO L495 AbstractCegarLoop]: Abstraction has 940 states and 1321 transitions. [2022-12-14 05:29:47,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2022-12-14 05:29:47,600 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1321 transitions. [2022-12-14 05:29:47,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 05:29:47,600 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:29:47,600 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] [2022-12-14 05:29:47,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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)] Ended with exit code 0 [2022-12-14 05:29:47,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:47,801 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:29:47,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:29:47,802 INFO L85 PathProgramCache]: Analyzing trace with hash 675848054, now seen corresponding path program 1 times [2022-12-14 05:29:47,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:29:47,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436622963] [2022-12-14 05:29:47,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:47,802 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 [2022-12-14 05:29:47,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:29:47,803 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:29:47,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:48,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:29:48,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:29:48,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:29:48,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:29:48,339 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:29:48,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436622963] [2022-12-14 05:29:48,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436622963] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:29:48,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:29:48,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:29:48,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141986414] [2022-12-14 05:29:48,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:29:48,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:29:48,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:29:48,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:29:48,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:29:48,341 INFO L87 Difference]: Start difference. First operand 940 states and 1321 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:29:48,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:29:48,596 INFO L93 Difference]: Finished difference Result 2415 states and 3402 transitions. [2022-12-14 05:29:48,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:29:48,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-12-14 05:29:48,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:29:48,606 INFO L225 Difference]: With dead ends: 2415 [2022-12-14 05:29:48,606 INFO L226 Difference]: Without dead ends: 1478 [2022-12-14 05:29:48,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:29:48,612 INFO L413 NwaCegarLoop]: 1611 mSDtfsCounter, 878 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 2382 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:29:48,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 2382 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:29:48,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2022-12-14 05:29:48,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1474. [2022-12-14 05:29:48,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1474 states, 1015 states have (on average 1.3467980295566502) internal successors, (1367), 1045 states have internal predecessors, (1367), 357 states have call successors, (357), 102 states have call predecessors, (357), 101 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2022-12-14 05:29:48,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2075 transitions. [2022-12-14 05:29:48,713 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2075 transitions. Word has length 25 [2022-12-14 05:29:48,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:29:48,713 INFO L495 AbstractCegarLoop]: Abstraction has 1474 states and 2075 transitions. [2022-12-14 05:29:48,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:29:48,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2075 transitions. [2022-12-14 05:29:48,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 05:29:48,714 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:29:48,714 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] [2022-12-14 05:29:48,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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)] Ended with exit code 0 [2022-12-14 05:29:48,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:48,914 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:29:48,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:29:48,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1249509715, now seen corresponding path program 1 times [2022-12-14 05:29:48,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:29:48,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717075099] [2022-12-14 05:29:48,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:48,916 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 [2022-12-14 05:29:48,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:29:48,916 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:29:48,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:49,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:29:49,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:29:49,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:29:49,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:29:49,359 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:29:49,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717075099] [2022-12-14 05:29:49,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717075099] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:29:49,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:29:49,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:29:49,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675432470] [2022-12-14 05:29:49,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:29:49,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:29:49,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:29:49,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:29:49,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:29:49,361 INFO L87 Difference]: Start difference. First operand 1474 states and 2075 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-12-14 05:29:51,470 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 [] [2022-12-14 05:29:51,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:29:51,752 INFO L93 Difference]: Finished difference Result 2951 states and 4155 transitions. [2022-12-14 05:29:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:29:51,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 24 [2022-12-14 05:29:51,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:29:51,766 INFO L225 Difference]: With dead ends: 2951 [2022-12-14 05:29:51,766 INFO L226 Difference]: Without dead ends: 1480 [2022-12-14 05:29:51,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:29:51,774 INFO L413 NwaCegarLoop]: 927 mSDtfsCounter, 2 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1849 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:29:51,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1849 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 05:29:51,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2022-12-14 05:29:51,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 1476. [2022-12-14 05:29:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 1017 states have (on average 1.3461160275319568) internal successors, (1369), 1047 states have internal predecessors, (1369), 357 states have call successors, (357), 102 states have call predecessors, (357), 101 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2022-12-14 05:29:51,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 2077 transitions. [2022-12-14 05:29:51,866 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 2077 transitions. Word has length 24 [2022-12-14 05:29:51,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:29:51,867 INFO L495 AbstractCegarLoop]: Abstraction has 1476 states and 2077 transitions. [2022-12-14 05:29:51,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-12-14 05:29:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 2077 transitions. [2022-12-14 05:29:51,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 05:29:51,868 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:29:51,868 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] [2022-12-14 05:29:51,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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)] Ended with exit code 0 [2022-12-14 05:29:52,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:52,069 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:29:52,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:29:52,069 INFO L85 PathProgramCache]: Analyzing trace with hash -386009188, now seen corresponding path program 1 times [2022-12-14 05:29:52,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:29:52,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935085828] [2022-12-14 05:29:52,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:52,070 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 [2022-12-14 05:29:52,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:29:52,071 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:29:52,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:52,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:29:52,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:29:52,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:29:52,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:29:53,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:29:53,091 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:29:53,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935085828] [2022-12-14 05:29:53,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1935085828] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:29:53,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [587906448] [2022-12-14 05:29:53,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:53,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:29:53,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:29:53,093 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:29:53,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-12-14 05:29:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:53,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:29:53,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:29:53,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:29:53,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:29:53,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [587906448] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:29:53,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 05:29:53,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-12-14 05:29:53,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920134030] [2022-12-14 05:29:53,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:29:53,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:29:53,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:29:53,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:29:53,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:29:53,750 INFO L87 Difference]: Start difference. First operand 1476 states and 2077 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-12-14 05:29:53,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:29:53,915 INFO L93 Difference]: Finished difference Result 3386 states and 4847 transitions. [2022-12-14 05:29:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:29:53,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 30 [2022-12-14 05:29:53,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:29:53,923 INFO L225 Difference]: With dead ends: 3386 [2022-12-14 05:29:53,923 INFO L226 Difference]: Without dead ends: 1913 [2022-12-14 05:29:53,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:29:53,928 INFO L413 NwaCegarLoop]: 1279 mSDtfsCounter, 247 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 2253 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:29:53,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 2253 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:29:53,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2022-12-14 05:29:54,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1490. [2022-12-14 05:29:54,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1490 states, 1031 states have (on average 1.347235693501455) internal successors, (1389), 1061 states have internal predecessors, (1389), 357 states have call successors, (357), 102 states have call predecessors, (357), 101 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2022-12-14 05:29:54,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2097 transitions. [2022-12-14 05:29:54,034 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2097 transitions. Word has length 30 [2022-12-14 05:29:54,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:29:54,034 INFO L495 AbstractCegarLoop]: Abstraction has 1490 states and 2097 transitions. [2022-12-14 05:29:54,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-12-14 05:29:54,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2097 transitions. [2022-12-14 05:29:54,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 05:29:54,044 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:29:54,044 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, 1, 1, 1, 1] [2022-12-14 05:29:54,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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)] Ended with exit code 0 [2022-12-14 05:29:54,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2022-12-14 05:29:54,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 05:29:54,445 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:29:54,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:29:54,446 INFO L85 PathProgramCache]: Analyzing trace with hash 720230049, now seen corresponding path program 1 times [2022-12-14 05:29:54,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:29:54,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413998884] [2022-12-14 05:29:54,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:54,447 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 [2022-12-14 05:29:54,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:29:54,448 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:29:54,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:54,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:29:54,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:29:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:29:55,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:29:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:29:55,467 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:29:55,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413998884] [2022-12-14 05:29:55,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [413998884] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:29:55,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1869166373] [2022-12-14 05:29:55,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:55,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:29:55,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:29:55,469 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:29:55,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2022-12-14 05:29:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:55,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:29:55,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:29:56,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:29:56,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:29:56,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1869166373] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:29:56,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 05:29:56,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-12-14 05:29:56,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537868810] [2022-12-14 05:29:56,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:29:56,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:29:56,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:29:56,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:29:56,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:29:56,236 INFO L87 Difference]: Start difference. First operand 1490 states and 2097 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:29:56,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:29:56,478 INFO L93 Difference]: Finished difference Result 3446 states and 4939 transitions. [2022-12-14 05:29:56,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:29:56,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-12-14 05:29:56,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:29:56,497 INFO L225 Difference]: With dead ends: 3446 [2022-12-14 05:29:56,497 INFO L226 Difference]: Without dead ends: 1959 [2022-12-14 05:29:56,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:29:56,504 INFO L413 NwaCegarLoop]: 1015 mSDtfsCounter, 250 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 1942 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:29:56,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 1942 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:29:56,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2022-12-14 05:29:56,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1538. [2022-12-14 05:29:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1538 states, 1067 states have (on average 1.3505154639175259) internal successors, (1441), 1097 states have internal predecessors, (1441), 369 states have call successors, (369), 102 states have call predecessors, (369), 101 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2022-12-14 05:29:56,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 2173 transitions. [2022-12-14 05:29:56,598 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 2173 transitions. Word has length 36 [2022-12-14 05:29:56,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:29:56,598 INFO L495 AbstractCegarLoop]: Abstraction has 1538 states and 2173 transitions. [2022-12-14 05:29:56,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:29:56,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2173 transitions. [2022-12-14 05:29:56,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 05:29:56,599 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:29:56,599 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, 1, 1, 1, 1] [2022-12-14 05:29:56,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2022-12-14 05:29:56,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:57,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:57,000 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:29:57,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:29:57,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1421294627, now seen corresponding path program 1 times [2022-12-14 05:29:57,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:29:57,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092304565] [2022-12-14 05:29:57,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:57,002 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 [2022-12-14 05:29:57,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:29:57,003 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:29:57,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:57,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:29:57,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:29:57,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:29:57,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:29:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:29:57,944 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:29:57,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092304565] [2022-12-14 05:29:57,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092304565] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:29:57,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [21285071] [2022-12-14 05:29:57,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:57,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:29:57,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:29:57,945 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:29:57,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-12-14 05:29:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:58,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:29:58,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:29:58,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:29:58,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:29:58,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [21285071] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:29:58,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 05:29:58,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-12-14 05:29:58,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520611917] [2022-12-14 05:29:58,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:29:58,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:29:58,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:29:58,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:29:58,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:29:58,581 INFO L87 Difference]: Start difference. First operand 1538 states and 2173 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:29:58,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:29:58,738 INFO L93 Difference]: Finished difference Result 1560 states and 2199 transitions. [2022-12-14 05:29:58,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:29:58,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-12-14 05:29:58,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:29:58,744 INFO L225 Difference]: With dead ends: 1560 [2022-12-14 05:29:58,744 INFO L226 Difference]: Without dead ends: 1549 [2022-12-14 05:29:58,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:29:58,745 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 925 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:29:58,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [925 Valid, 955 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:29:58,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1549 states. [2022-12-14 05:29:58,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1549 to 1538. [2022-12-14 05:29:58,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1538 states, 1067 states have (on average 1.3486410496719774) internal successors, (1439), 1097 states have internal predecessors, (1439), 369 states have call successors, (369), 102 states have call predecessors, (369), 101 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2022-12-14 05:29:58,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 2171 transitions. [2022-12-14 05:29:58,838 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 2171 transitions. Word has length 36 [2022-12-14 05:29:58,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:29:58,838 INFO L495 AbstractCegarLoop]: Abstraction has 1538 states and 2171 transitions. [2022-12-14 05:29:58,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:29:58,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2171 transitions. [2022-12-14 05:29:58,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 05:29:58,839 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:29:58,839 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, 1, 1, 1, 1] [2022-12-14 05:29:58,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2022-12-14 05:29:59,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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)] Ended with exit code 0 [2022-12-14 05:29:59,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:59,241 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:29:59,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:29:59,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1478552929, now seen corresponding path program 1 times [2022-12-14 05:29:59,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:29:59,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792947343] [2022-12-14 05:29:59,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:59,242 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 [2022-12-14 05:29:59,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:29:59,244 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:29:59,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:29:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:59,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:29:59,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:29:59,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:29:59,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:30:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:00,260 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:30:00,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792947343] [2022-12-14 05:30:00,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792947343] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:30:00,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1262018580] [2022-12-14 05:30:00,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:00,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:00,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:30:00,262 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:30:00,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2022-12-14 05:30:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:00,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:30:00,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:01,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:30:01,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:30:01,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1262018580] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:01,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 05:30:01,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-12-14 05:30:01,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630208850] [2022-12-14 05:30:01,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:01,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:30:01,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:30:01,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:30:01,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:30:01,366 INFO L87 Difference]: Start difference. First operand 1538 states and 2171 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:30:01,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:01,508 INFO L93 Difference]: Finished difference Result 1540 states and 2172 transitions. [2022-12-14 05:30:01,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:30:01,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-12-14 05:30:01,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:01,516 INFO L225 Difference]: With dead ends: 1540 [2022-12-14 05:30:01,516 INFO L226 Difference]: Without dead ends: 1537 [2022-12-14 05:30:01,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:30:01,517 INFO L413 NwaCegarLoop]: 927 mSDtfsCounter, 895 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:01,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 927 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:30:01,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1537 states. [2022-12-14 05:30:01,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 1537. [2022-12-14 05:30:01,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1067 states have (on average 1.3477038425492034) internal successors, (1438), 1096 states have internal predecessors, (1438), 368 states have call successors, (368), 102 states have call predecessors, (368), 101 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2022-12-14 05:30:01,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2169 transitions. [2022-12-14 05:30:01,601 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2169 transitions. Word has length 36 [2022-12-14 05:30:01,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:01,601 INFO L495 AbstractCegarLoop]: Abstraction has 1537 states and 2169 transitions. [2022-12-14 05:30:01,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:30:01,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2169 transitions. [2022-12-14 05:30:01,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 05:30:01,601 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:01,602 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, 1, 1, 1, 1, 1] [2022-12-14 05:30:01,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2022-12-14 05:30:01,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:30:02,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:30:02,003 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:02,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:02,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1409883675, now seen corresponding path program 1 times [2022-12-14 05:30:02,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:30:02,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [201679900] [2022-12-14 05:30:02,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:02,007 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 [2022-12-14 05:30:02,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:30:02,021 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:30:02,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-12-14 05:30:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:02,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:30:02,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:02,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:02,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:30:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:02,982 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:30:02,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [201679900] [2022-12-14 05:30:02,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [201679900] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:30:02,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1171719252] [2022-12-14 05:30:02,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:02,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:02,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:30:02,983 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:30:02,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2022-12-14 05:30:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:03,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:30:03,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:30:04,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:30:04,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1171719252] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:04,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 05:30:04,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-12-14 05:30:04,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214487733] [2022-12-14 05:30:04,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:04,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:30:04,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:30:04,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:30:04,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:30:04,159 INFO L87 Difference]: Start difference. First operand 1537 states and 2169 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:30:04,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:04,328 INFO L93 Difference]: Finished difference Result 1539 states and 2170 transitions. [2022-12-14 05:30:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:30:04,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2022-12-14 05:30:04,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:04,333 INFO L225 Difference]: With dead ends: 1539 [2022-12-14 05:30:04,333 INFO L226 Difference]: Without dead ends: 1536 [2022-12-14 05:30:04,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:30:04,334 INFO L413 NwaCegarLoop]: 925 mSDtfsCounter, 892 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:04,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 925 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:30:04,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2022-12-14 05:30:04,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 1536. [2022-12-14 05:30:04,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1536 states, 1067 states have (on average 1.3467666354264292) internal successors, (1437), 1095 states have internal predecessors, (1437), 367 states have call successors, (367), 102 states have call predecessors, (367), 101 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2022-12-14 05:30:04,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1536 states and 2167 transitions. [2022-12-14 05:30:04,433 INFO L78 Accepts]: Start accepts. Automaton has 1536 states and 2167 transitions. Word has length 37 [2022-12-14 05:30:04,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:04,434 INFO L495 AbstractCegarLoop]: Abstraction has 1536 states and 2167 transitions. [2022-12-14 05:30:04,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:30:04,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 2167 transitions. [2022-12-14 05:30:04,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 05:30:04,435 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:04,435 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, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:04,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2022-12-14 05:30:04,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-12-14 05:30:04,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:30:04,836 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:04,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:04,836 INFO L85 PathProgramCache]: Analyzing trace with hash -757100316, now seen corresponding path program 1 times [2022-12-14 05:30:04,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:30:04,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489551247] [2022-12-14 05:30:04,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:04,837 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 [2022-12-14 05:30:04,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:30:04,838 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:30:04,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-12-14 05:30:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:05,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:30:05,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:05,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:05,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:30:05,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:05,777 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:30:05,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489551247] [2022-12-14 05:30:05,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489551247] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:30:05,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1155366084] [2022-12-14 05:30:05,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:05,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:05,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:30:05,778 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:30:05,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2022-12-14 05:30:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:06,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:30:06,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:30:06,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:30:06,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1155366084] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:06,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 05:30:06,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-12-14 05:30:06,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578966226] [2022-12-14 05:30:06,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:06,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:30:06,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:30:06,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:30:06,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:30:06,961 INFO L87 Difference]: Start difference. First operand 1536 states and 2167 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:30:07,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:07,127 INFO L93 Difference]: Finished difference Result 1538 states and 2168 transitions. [2022-12-14 05:30:07,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:30:07,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-12-14 05:30:07,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:07,132 INFO L225 Difference]: With dead ends: 1538 [2022-12-14 05:30:07,132 INFO L226 Difference]: Without dead ends: 1535 [2022-12-14 05:30:07,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:30:07,133 INFO L413 NwaCegarLoop]: 923 mSDtfsCounter, 889 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:07,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 923 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:30:07,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2022-12-14 05:30:07,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1535. [2022-12-14 05:30:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1535 states, 1067 states have (on average 1.3458294283036552) internal successors, (1436), 1094 states have internal predecessors, (1436), 366 states have call successors, (366), 102 states have call predecessors, (366), 101 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2022-12-14 05:30:07,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 2165 transitions. [2022-12-14 05:30:07,234 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 2165 transitions. Word has length 38 [2022-12-14 05:30:07,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:07,235 INFO L495 AbstractCegarLoop]: Abstraction has 1535 states and 2165 transitions. [2022-12-14 05:30:07,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:30:07,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 2165 transitions. [2022-12-14 05:30:07,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 05:30:07,236 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:07,236 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, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:07,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-12-14 05:30:07,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2022-12-14 05:30:07,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:07,637 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:07,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:07,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1995647800, now seen corresponding path program 1 times [2022-12-14 05:30:07,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:30:07,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1551443034] [2022-12-14 05:30:07,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:07,641 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 [2022-12-14 05:30:07,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:30:07,644 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:30:07,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-12-14 05:30:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:08,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:30:08,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:08,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:08,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:30:08,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:08,991 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:30:08,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1551443034] [2022-12-14 05:30:08,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1551443034] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:30:08,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1664943704] [2022-12-14 05:30:08,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:08,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:08,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:30:08,992 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:30:08,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2022-12-14 05:30:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:09,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:30:09,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:30:10,125 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:30:10,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1664943704] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:10,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 05:30:10,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-12-14 05:30:10,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765475200] [2022-12-14 05:30:10,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:10,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:30:10,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:30:10,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:30:10,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:30:10,127 INFO L87 Difference]: Start difference. First operand 1535 states and 2165 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:30:10,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:10,382 INFO L93 Difference]: Finished difference Result 1959 states and 2712 transitions. [2022-12-14 05:30:10,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:30:10,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-12-14 05:30:10,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:10,388 INFO L225 Difference]: With dead ends: 1959 [2022-12-14 05:30:10,388 INFO L226 Difference]: Without dead ends: 1922 [2022-12-14 05:30:10,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:30:10,389 INFO L413 NwaCegarLoop]: 1048 mSDtfsCounter, 819 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:10,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 1425 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:30:10,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2022-12-14 05:30:10,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1922. [2022-12-14 05:30:10,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1922 states, 1306 states have (on average 1.3231240428790199) internal successors, (1728), 1341 states have internal predecessors, (1728), 469 states have call successors, (469), 147 states have call predecessors, (469), 146 states have return successors, (468), 468 states have call predecessors, (468), 468 states have call successors, (468) [2022-12-14 05:30:10,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1922 states and 2665 transitions. [2022-12-14 05:30:10,527 INFO L78 Accepts]: Start accepts. Automaton has 1922 states and 2665 transitions. Word has length 39 [2022-12-14 05:30:10,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:10,527 INFO L495 AbstractCegarLoop]: Abstraction has 1922 states and 2665 transitions. [2022-12-14 05:30:10,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:30:10,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2665 transitions. [2022-12-14 05:30:10,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 05:30:10,529 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:10,530 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:10,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2022-12-14 05:30:10,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2022-12-14 05:30:10,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:30:10,930 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:10,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:10,931 INFO L85 PathProgramCache]: Analyzing trace with hash 193506345, now seen corresponding path program 1 times [2022-12-14 05:30:10,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:30:10,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527091973] [2022-12-14 05:30:10,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:10,932 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 [2022-12-14 05:30:10,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:30:10,933 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:30:10,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (20)] Waiting until timeout for monitored process [2022-12-14 05:30:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:11,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:30:11,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:11,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:11,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:30:11,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:11,937 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:30:11,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [527091973] [2022-12-14 05:30:11,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [527091973] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:30:11,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [653673040] [2022-12-14 05:30:11,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:11,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:11,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:30:11,939 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:30:11,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2022-12-14 05:30:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:12,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:30:12,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:12,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:30:12,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:30:12,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [653673040] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:12,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 05:30:12,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2022-12-14 05:30:12,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840863617] [2022-12-14 05:30:12,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:12,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:30:12,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:30:12,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:30:12,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:30:12,606 INFO L87 Difference]: Start difference. First operand 1922 states and 2665 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 05:30:13,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:13,147 INFO L93 Difference]: Finished difference Result 4213 states and 5921 transitions. [2022-12-14 05:30:13,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:30:13,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 66 [2022-12-14 05:30:13,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:13,153 INFO L225 Difference]: With dead ends: 4213 [2022-12-14 05:30:13,154 INFO L226 Difference]: Without dead ends: 2294 [2022-12-14 05:30:13,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:30:13,158 INFO L413 NwaCegarLoop]: 1152 mSDtfsCounter, 364 mSDsluCounter, 1859 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 3011 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:13,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 3011 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:30:13,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2294 states. [2022-12-14 05:30:13,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2294 to 1926. [2022-12-14 05:30:13,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1926 states, 1310 states have (on average 1.3221374045801526) internal successors, (1732), 1345 states have internal predecessors, (1732), 469 states have call successors, (469), 147 states have call predecessors, (469), 146 states have return successors, (468), 468 states have call predecessors, (468), 468 states have call successors, (468) [2022-12-14 05:30:13,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1926 states and 2669 transitions. [2022-12-14 05:30:13,318 INFO L78 Accepts]: Start accepts. Automaton has 1926 states and 2669 transitions. Word has length 66 [2022-12-14 05:30:13,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:13,319 INFO L495 AbstractCegarLoop]: Abstraction has 1926 states and 2669 transitions. [2022-12-14 05:30:13,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 05:30:13,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2669 transitions. [2022-12-14 05:30:13,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 05:30:13,321 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:13,322 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:13,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (20)] Forceful destruction successful, exit code 0 [2022-12-14 05:30:13,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2022-12-14 05:30:13,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:13,723 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:13,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:13,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1741533144, now seen corresponding path program 1 times [2022-12-14 05:30:13,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:30:13,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897437665] [2022-12-14 05:30:13,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:13,728 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 [2022-12-14 05:30:13,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:30:13,729 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:30:13,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (22)] Waiting until timeout for monitored process [2022-12-14 05:30:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:14,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:30:14,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:14,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:30:14,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:14,846 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:30:14,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897437665] [2022-12-14 05:30:14,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897437665] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:30:14,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [978366840] [2022-12-14 05:30:14,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:14,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:14,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:30:14,848 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:30:14,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2022-12-14 05:30:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:15,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:30:15,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:15,833 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:30:15,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:30:15,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [978366840] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:15,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 05:30:15,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 4] total 9 [2022-12-14 05:30:15,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086337062] [2022-12-14 05:30:15,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:15,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:30:15,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:30:15,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:30:15,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:30:15,836 INFO L87 Difference]: Start difference. First operand 1926 states and 2669 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 05:30:16,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:16,251 INFO L93 Difference]: Finished difference Result 4272 states and 6006 transitions. [2022-12-14 05:30:16,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:30:16,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 76 [2022-12-14 05:30:16,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:16,258 INFO L225 Difference]: With dead ends: 4272 [2022-12-14 05:30:16,259 INFO L226 Difference]: Without dead ends: 2349 [2022-12-14 05:30:16,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:30:16,263 INFO L413 NwaCegarLoop]: 1198 mSDtfsCounter, 213 mSDsluCounter, 3322 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 4520 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:16,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 4520 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:30:16,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2349 states. [2022-12-14 05:30:16,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2349 to 1938. [2022-12-14 05:30:16,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1938 states, 1320 states have (on average 1.3196969696969696) internal successors, (1742), 1353 states have internal predecessors, (1742), 469 states have call successors, (469), 147 states have call predecessors, (469), 148 states have return successors, (476), 472 states have call predecessors, (476), 468 states have call successors, (476) [2022-12-14 05:30:16,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 2687 transitions. [2022-12-14 05:30:16,452 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 2687 transitions. Word has length 76 [2022-12-14 05:30:16,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:16,452 INFO L495 AbstractCegarLoop]: Abstraction has 1938 states and 2687 transitions. [2022-12-14 05:30:16,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 05:30:16,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2687 transitions. [2022-12-14 05:30:16,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 05:30:16,454 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:16,454 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:16,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (22)] Forceful destruction successful, exit code 0 [2022-12-14 05:30:16,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2022-12-14 05:30:16,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:16,856 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:16,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:16,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1149147006, now seen corresponding path program 1 times [2022-12-14 05:30:16,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:30:16,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191869590] [2022-12-14 05:30:16,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:16,860 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 [2022-12-14 05:30:16,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:30:16,861 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:30:16,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (24)] Waiting until timeout for monitored process [2022-12-14 05:30:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:17,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:30:17,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:17,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:17,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:30:17,779 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:30:17,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191869590] [2022-12-14 05:30:17,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191869590] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:17,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:30:17,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:30:17,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772576775] [2022-12-14 05:30:17,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:17,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:30:17,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:30:17,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:30:17,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:30:17,781 INFO L87 Difference]: Start difference. First operand 1938 states and 2687 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 05:30:18,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:18,393 INFO L93 Difference]: Finished difference Result 4384 states and 6180 transitions. [2022-12-14 05:30:18,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:30:18,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 76 [2022-12-14 05:30:18,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:18,411 INFO L225 Difference]: With dead ends: 4384 [2022-12-14 05:30:18,411 INFO L226 Difference]: Without dead ends: 2449 [2022-12-14 05:30:18,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:30:18,418 INFO L413 NwaCegarLoop]: 1143 mSDtfsCounter, 234 mSDsluCounter, 3193 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 4336 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:18,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 4336 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 05:30:18,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2449 states. [2022-12-14 05:30:18,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2449 to 1946. [2022-12-14 05:30:18,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1946 states, 1328 states have (on average 1.3177710843373494) internal successors, (1750), 1357 states have internal predecessors, (1750), 469 states have call successors, (469), 147 states have call predecessors, (469), 148 states have return successors, (476), 476 states have call predecessors, (476), 468 states have call successors, (476) [2022-12-14 05:30:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 2695 transitions. [2022-12-14 05:30:18,655 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 2695 transitions. Word has length 76 [2022-12-14 05:30:18,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:18,655 INFO L495 AbstractCegarLoop]: Abstraction has 1946 states and 2695 transitions. [2022-12-14 05:30:18,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 05:30:18,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2695 transitions. [2022-12-14 05:30:18,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-12-14 05:30:18,660 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:18,660 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:18,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (24)] Forceful destruction successful, exit code 0 [2022-12-14 05:30:18,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:30:18,861 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:18,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:18,862 INFO L85 PathProgramCache]: Analyzing trace with hash 434277958, now seen corresponding path program 1 times [2022-12-14 05:30:18,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:30:18,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198173512] [2022-12-14 05:30:18,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:18,864 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 [2022-12-14 05:30:18,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:30:18,865 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:30:18,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (25)] Waiting until timeout for monitored process [2022-12-14 05:30:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:19,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 1656 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:30:19,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 05:30:20,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:30:20,525 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 05:30:20,525 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:30:20,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198173512] [2022-12-14 05:30:20,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198173512] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:30:20,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [142991790] [2022-12-14 05:30:20,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:20,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:20,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:30:20,527 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:30:20,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2022-12-14 05:30:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:21,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 1656 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:30:21,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:21,321 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 05:30:21,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:30:21,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [142991790] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:21,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 05:30:21,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-12-14 05:30:21,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512108739] [2022-12-14 05:30:21,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:21,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:30:21,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:30:21,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:30:21,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:30:21,324 INFO L87 Difference]: Start difference. First operand 1946 states and 2695 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 05:30:21,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:21,576 INFO L93 Difference]: Finished difference Result 3909 states and 5465 transitions. [2022-12-14 05:30:21,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:30:21,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 176 [2022-12-14 05:30:21,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:21,590 INFO L225 Difference]: With dead ends: 3909 [2022-12-14 05:30:21,590 INFO L226 Difference]: Without dead ends: 1966 [2022-12-14 05:30:21,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:30:21,594 INFO L413 NwaCegarLoop]: 885 mSDtfsCounter, 3 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1763 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:21,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1763 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:30:21,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2022-12-14 05:30:21,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1951. [2022-12-14 05:30:21,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1951 states, 1333 states have (on average 1.3165791447861965) internal successors, (1755), 1362 states have internal predecessors, (1755), 469 states have call successors, (469), 147 states have call predecessors, (469), 148 states have return successors, (476), 476 states have call predecessors, (476), 468 states have call successors, (476) [2022-12-14 05:30:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2700 transitions. [2022-12-14 05:30:21,747 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2700 transitions. Word has length 176 [2022-12-14 05:30:21,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:21,748 INFO L495 AbstractCegarLoop]: Abstraction has 1951 states and 2700 transitions. [2022-12-14 05:30:21,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 05:30:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2700 transitions. [2022-12-14 05:30:21,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-12-14 05:30:21,750 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:21,750 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:21,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (25)] Ended with exit code 0 [2022-12-14 05:30:21,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2022-12-14 05:30:22,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:22,152 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:22,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:22,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1336075490, now seen corresponding path program 1 times [2022-12-14 05:30:22,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:30:22,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274827456] [2022-12-14 05:30:22,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:22,158 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 [2022-12-14 05:30:22,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:30:22,159 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:30:22,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (27)] Waiting until timeout for monitored process [2022-12-14 05:30:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:23,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 1929 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:30:23,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:23,506 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-12-14 05:30:23,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:30:23,980 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-12-14 05:30:23,980 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:30:23,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274827456] [2022-12-14 05:30:23,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [274827456] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:30:23,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1120502045] [2022-12-14 05:30:23,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:23,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:23,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:30:23,982 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:30:23,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2022-12-14 05:30:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:24,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 1929 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:30:24,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:25,249 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-14 05:30:25,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:30:25,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1120502045] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:25,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 05:30:25,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 4] total 9 [2022-12-14 05:30:25,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762495122] [2022-12-14 05:30:25,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:25,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:30:25,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:30:25,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:30:25,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:30:25,252 INFO L87 Difference]: Start difference. First operand 1951 states and 2700 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 05:30:25,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:25,617 INFO L93 Difference]: Finished difference Result 3929 states and 5565 transitions. [2022-12-14 05:30:25,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:30:25,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 230 [2022-12-14 05:30:25,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:25,625 INFO L225 Difference]: With dead ends: 3929 [2022-12-14 05:30:25,625 INFO L226 Difference]: Without dead ends: 1981 [2022-12-14 05:30:25,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 680 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:30:25,631 INFO L413 NwaCegarLoop]: 891 mSDtfsCounter, 11 mSDsluCounter, 2645 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 3536 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:25,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 3536 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:30:25,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1981 states. [2022-12-14 05:30:25,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 1971. [2022-12-14 05:30:25,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1971 states, 1348 states have (on average 1.3130563798219586) internal successors, (1770), 1377 states have internal predecessors, (1770), 469 states have call successors, (469), 147 states have call predecessors, (469), 153 states have return successors, (500), 481 states have call predecessors, (500), 468 states have call successors, (500) [2022-12-14 05:30:25,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1971 states and 2739 transitions. [2022-12-14 05:30:25,803 INFO L78 Accepts]: Start accepts. Automaton has 1971 states and 2739 transitions. Word has length 230 [2022-12-14 05:30:25,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:25,804 INFO L495 AbstractCegarLoop]: Abstraction has 1971 states and 2739 transitions. [2022-12-14 05:30:25,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 05:30:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2739 transitions. [2022-12-14 05:30:25,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-12-14 05:30:25,807 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:25,808 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:25,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2022-12-14 05:30:26,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (27)] Forceful destruction successful, exit code 0 [2022-12-14 05:30:26,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:30:26,209 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:26,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:26,210 INFO L85 PathProgramCache]: Analyzing trace with hash 2044814612, now seen corresponding path program 1 times [2022-12-14 05:30:26,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:30:26,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [666259432] [2022-12-14 05:30:26,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:26,215 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 [2022-12-14 05:30:26,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:30:26,218 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:30:26,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (29)] Waiting until timeout for monitored process [2022-12-14 05:30:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:27,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 2089 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:30:27,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:27,778 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-12-14 05:30:27,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:30:28,363 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-12-14 05:30:28,363 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:30:28,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [666259432] [2022-12-14 05:30:28,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [666259432] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:30:28,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2009977946] [2022-12-14 05:30:28,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:28,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:28,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:30:28,364 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:30:28,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2022-12-14 05:30:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:29,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 2089 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 05:30:29,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:30,622 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-14 05:30:30,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:30:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-12-14 05:30:33,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2009977946] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 05:30:33,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:30:33,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 9] total 18 [2022-12-14 05:30:33,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452290234] [2022-12-14 05:30:33,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:33,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 05:30:33,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:30:33,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 05:30:33,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-12-14 05:30:33,622 INFO L87 Difference]: Start difference. First operand 1971 states and 2739 transitions. Second operand has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 05:30:34,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:34,200 INFO L93 Difference]: Finished difference Result 4364 states and 6150 transitions. [2022-12-14 05:30:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:30:34,201 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 2 states have call successors, (30) Word has length 296 [2022-12-14 05:30:34,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:34,210 INFO L225 Difference]: With dead ends: 4364 [2022-12-14 05:30:34,210 INFO L226 Difference]: Without dead ends: 2396 [2022-12-14 05:30:34,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1180 GetRequests, 1164 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-12-14 05:30:34,214 INFO L413 NwaCegarLoop]: 1196 mSDtfsCounter, 213 mSDsluCounter, 5701 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 6897 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:34,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 6897 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 05:30:34,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2022-12-14 05:30:34,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 1981. [2022-12-14 05:30:34,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1981 states, 1354 states have (on average 1.3116691285081241) internal successors, (1776), 1385 states have internal predecessors, (1776), 469 states have call successors, (469), 147 states have call predecessors, (469), 157 states have return successors, (512), 483 states have call predecessors, (512), 468 states have call successors, (512) [2022-12-14 05:30:34,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1981 states and 2757 transitions. [2022-12-14 05:30:34,388 INFO L78 Accepts]: Start accepts. Automaton has 1981 states and 2757 transitions. Word has length 296 [2022-12-14 05:30:34,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:34,388 INFO L495 AbstractCegarLoop]: Abstraction has 1981 states and 2757 transitions. [2022-12-14 05:30:34,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 05:30:34,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 2757 transitions. [2022-12-14 05:30:34,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-12-14 05:30:34,395 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:34,395 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:34,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (29)] Ended with exit code 0 [2022-12-14 05:30:34,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2022-12-14 05:30:34,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:34,796 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:34,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:34,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1249437582, now seen corresponding path program 1 times [2022-12-14 05:30:34,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:30:34,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440008546] [2022-12-14 05:30:34,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:34,798 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 [2022-12-14 05:30:34,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:30:34,799 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:30:34,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (31)] Waiting until timeout for monitored process [2022-12-14 05:30:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:36,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 2069 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:30:36,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-12-14 05:30:36,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:30:36,857 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-12-14 05:30:36,857 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:30:36,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [440008546] [2022-12-14 05:30:36,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [440008546] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:30:36,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1591286497] [2022-12-14 05:30:36,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:36,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:36,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:30:36,859 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:30:36,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2022-12-14 05:30:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:37,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 2069 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 05:30:37,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-14 05:30:39,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:30:41,937 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-12-14 05:30:41,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1591286497] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 05:30:41,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:30:41,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 9] total 18 [2022-12-14 05:30:41,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855593290] [2022-12-14 05:30:41,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:41,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 05:30:41,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:30:41,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 05:30:41,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-12-14 05:30:41,939 INFO L87 Difference]: Start difference. First operand 1981 states and 2757 transitions. Second operand has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 5 states have internal predecessors, (130), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 05:30:42,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:42,499 INFO L93 Difference]: Finished difference Result 4388 states and 6188 transitions. [2022-12-14 05:30:42,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:30:42,500 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 5 states have internal predecessors, (130), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 2 states have call successors, (30) Word has length 294 [2022-12-14 05:30:42,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:42,506 INFO L225 Difference]: With dead ends: 4388 [2022-12-14 05:30:42,506 INFO L226 Difference]: Without dead ends: 2410 [2022-12-14 05:30:42,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1172 GetRequests, 1156 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-12-14 05:30:42,509 INFO L413 NwaCegarLoop]: 1195 mSDtfsCounter, 213 mSDsluCounter, 5696 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 6891 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:42,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 6891 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 05:30:42,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2022-12-14 05:30:42,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 1983. [2022-12-14 05:30:42,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1983 states, 1356 states have (on average 1.3112094395280236) internal successors, (1778), 1385 states have internal predecessors, (1778), 469 states have call successors, (469), 147 states have call predecessors, (469), 157 states have return successors, (512), 485 states have call predecessors, (512), 468 states have call successors, (512) [2022-12-14 05:30:42,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1983 states and 2759 transitions. [2022-12-14 05:30:42,671 INFO L78 Accepts]: Start accepts. Automaton has 1983 states and 2759 transitions. Word has length 294 [2022-12-14 05:30:42,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:42,671 INFO L495 AbstractCegarLoop]: Abstraction has 1983 states and 2759 transitions. [2022-12-14 05:30:42,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 5 states have internal predecessors, (130), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 05:30:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2759 transitions. [2022-12-14 05:30:42,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-12-14 05:30:42,675 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:42,675 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:42,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2022-12-14 05:30:42,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (31)] Ended with exit code 0 [2022-12-14 05:30:43,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:30:43,077 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:43,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:43,078 INFO L85 PathProgramCache]: Analyzing trace with hash 959079110, now seen corresponding path program 1 times [2022-12-14 05:30:43,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:30:43,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345014761] [2022-12-14 05:30:43,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:43,082 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 [2022-12-14 05:30:43,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:30:43,083 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:30:43,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (33)] Waiting until timeout for monitored process [2022-12-14 05:30:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:44,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 2093 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:30:44,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:44,651 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-12-14 05:30:44,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:30:44,651 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:30:44,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345014761] [2022-12-14 05:30:44,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345014761] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:44,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:30:44,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:30:44,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682354675] [2022-12-14 05:30:44,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:44,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:30:44,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:30:44,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:30:44,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:30:44,653 INFO L87 Difference]: Start difference. First operand 1983 states and 2759 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 05:30:46,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:30:48,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:30:48,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:48,931 INFO L93 Difference]: Finished difference Result 4005 states and 5609 transitions. [2022-12-14 05:30:48,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:30:48,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 296 [2022-12-14 05:30:48,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:48,939 INFO L225 Difference]: With dead ends: 4005 [2022-12-14 05:30:48,939 INFO L226 Difference]: Without dead ends: 2025 [2022-12-14 05:30:48,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:30:48,945 INFO L413 NwaCegarLoop]: 891 mSDtfsCounter, 18 mSDsluCounter, 1771 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2662 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:48,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2662 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 05:30:48,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2025 states. [2022-12-14 05:30:49,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2025 to 1987. [2022-12-14 05:30:49,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1360 states have (on average 1.3102941176470588) internal successors, (1782), 1387 states have internal predecessors, (1782), 469 states have call successors, (469), 147 states have call predecessors, (469), 157 states have return successors, (512), 485 states have call predecessors, (512), 468 states have call successors, (512) [2022-12-14 05:30:49,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 2763 transitions. [2022-12-14 05:30:49,119 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 2763 transitions. Word has length 296 [2022-12-14 05:30:49,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:49,120 INFO L495 AbstractCegarLoop]: Abstraction has 1987 states and 2763 transitions. [2022-12-14 05:30:49,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 05:30:49,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2763 transitions. [2022-12-14 05:30:49,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-12-14 05:30:49,122 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:49,122 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:49,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (33)] Ended with exit code 0 [2022-12-14 05:30:49,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:30:49,323 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:49,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:49,323 INFO L85 PathProgramCache]: Analyzing trace with hash 2028385605, now seen corresponding path program 1 times [2022-12-14 05:30:49,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:30:49,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137549081] [2022-12-14 05:30:49,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:49,325 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 [2022-12-14 05:30:49,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:30:49,325 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:30:49,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (34)] Waiting until timeout for monitored process [2022-12-14 05:30:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:50,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 2098 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:30:50,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:50,887 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-12-14 05:30:50,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:30:50,888 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:30:50,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137549081] [2022-12-14 05:30:50,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [137549081] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:50,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:30:50,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:30:50,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236658181] [2022-12-14 05:30:50,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:50,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:30:50,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:30:50,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:30:50,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:30:50,890 INFO L87 Difference]: Start difference. First operand 1987 states and 2763 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 05:30:52,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:30:53,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:53,207 INFO L93 Difference]: Finished difference Result 3983 states and 5571 transitions. [2022-12-14 05:30:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:30:53,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 305 [2022-12-14 05:30:53,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:53,212 INFO L225 Difference]: With dead ends: 3983 [2022-12-14 05:30:53,212 INFO L226 Difference]: Without dead ends: 1999 [2022-12-14 05:30:53,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:30:53,216 INFO L413 NwaCegarLoop]: 885 mSDtfsCounter, 2 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1761 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:53,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1761 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-12-14 05:30:53,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2022-12-14 05:30:53,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1991. [2022-12-14 05:30:53,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1991 states, 1364 states have (on average 1.3093841642228738) internal successors, (1786), 1391 states have internal predecessors, (1786), 469 states have call successors, (469), 147 states have call predecessors, (469), 157 states have return successors, (512), 485 states have call predecessors, (512), 468 states have call successors, (512) [2022-12-14 05:30:53,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1991 states and 2767 transitions. [2022-12-14 05:30:53,374 INFO L78 Accepts]: Start accepts. Automaton has 1991 states and 2767 transitions. Word has length 305 [2022-12-14 05:30:53,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:53,374 INFO L495 AbstractCegarLoop]: Abstraction has 1991 states and 2767 transitions. [2022-12-14 05:30:53,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 05:30:53,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2767 transitions. [2022-12-14 05:30:53,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-12-14 05:30:53,377 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:53,377 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 7, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:53,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (34)] Ended with exit code 0 [2022-12-14 05:30:53,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:30:53,578 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:53,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:53,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1631168896, now seen corresponding path program 1 times [2022-12-14 05:30:53,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:30:53,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810849011] [2022-12-14 05:30:53,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:53,580 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 [2022-12-14 05:30:53,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:30:53,581 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:30:53,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (35)] Waiting until timeout for monitored process [2022-12-14 05:30:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:55,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 2127 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:30:55,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:55,272 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 119 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-12-14 05:30:55,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:30:55,902 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-12-14 05:30:55,902 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:30:55,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810849011] [2022-12-14 05:30:55,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [810849011] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:30:55,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1140761472] [2022-12-14 05:30:55,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:55,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:30:55,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:30:55,904 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:30:55,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2022-12-14 05:30:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:57,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 2127 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 05:30:57,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:58,293 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-12-14 05:30:58,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:31:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-12-14 05:31:01,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1140761472] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 05:31:01,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:31:01,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 9] total 18 [2022-12-14 05:31:01,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206604051] [2022-12-14 05:31:01,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:31:01,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 05:31:01,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:31:01,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 05:31:01,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-12-14 05:31:01,199 INFO L87 Difference]: Start difference. First operand 1991 states and 2767 transitions. Second operand has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 5 states have internal predecessors, (134), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 05:31:02,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:31:02,042 INFO L93 Difference]: Finished difference Result 4494 states and 6366 transitions. [2022-12-14 05:31:02,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 05:31:02,043 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 5 states have internal predecessors, (134), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) Word has length 316 [2022-12-14 05:31:02,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:31:02,050 INFO L225 Difference]: With dead ends: 4494 [2022-12-14 05:31:02,050 INFO L226 Difference]: Without dead ends: 2506 [2022-12-14 05:31:02,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1261 GetRequests, 1244 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2022-12-14 05:31:02,054 INFO L413 NwaCegarLoop]: 1161 mSDtfsCounter, 234 mSDsluCounter, 5549 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 6710 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:31:02,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 6710 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 05:31:02,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2022-12-14 05:31:02,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 1991. [2022-12-14 05:31:02,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1991 states, 1364 states have (on average 1.3093841642228738) internal successors, (1786), 1391 states have internal predecessors, (1786), 469 states have call successors, (469), 147 states have call predecessors, (469), 157 states have return successors, (512), 485 states have call predecessors, (512), 468 states have call successors, (512) [2022-12-14 05:31:02,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1991 states and 2767 transitions. [2022-12-14 05:31:02,233 INFO L78 Accepts]: Start accepts. Automaton has 1991 states and 2767 transitions. Word has length 316 [2022-12-14 05:31:02,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:31:02,234 INFO L495 AbstractCegarLoop]: Abstraction has 1991 states and 2767 transitions. [2022-12-14 05:31:02,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 5 states have internal predecessors, (134), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 05:31:02,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2767 transitions. [2022-12-14 05:31:02,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-12-14 05:31:02,236 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:31:02,236 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 7, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:31:02,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (35)] Ended with exit code 0 [2022-12-14 05:31:02,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2022-12-14 05:31:02,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 05:31:02,638 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:31:02,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:31:02,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1855350046, now seen corresponding path program 1 times [2022-12-14 05:31:02,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:31:02,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2097108535] [2022-12-14 05:31:02,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:31:02,643 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 [2022-12-14 05:31:02,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:31:02,644 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:31:02,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (37)] Waiting until timeout for monitored process [2022-12-14 05:31:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:31:04,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 2147 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:31:04,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:31:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 119 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-12-14 05:31:04,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:31:05,175 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-12-14 05:31:05,175 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:31:05,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2097108535] [2022-12-14 05:31:05,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2097108535] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:31:05,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1484163207] [2022-12-14 05:31:05,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:31:05,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:31:05,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:31:05,177 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:31:05,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2022-12-14 05:31:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:31:06,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 2147 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 05:31:06,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:31:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-12-14 05:31:07,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:31:10,760 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-12-14 05:31:10,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1484163207] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 05:31:10,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:31:10,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 9] total 18 [2022-12-14 05:31:10,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980862695] [2022-12-14 05:31:10,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:31:10,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 05:31:10,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:31:10,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 05:31:10,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-12-14 05:31:10,762 INFO L87 Difference]: Start difference. First operand 1991 states and 2767 transitions. Second operand has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 5 states have internal predecessors, (136), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 05:31:11,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:31:11,626 INFO L93 Difference]: Finished difference Result 4506 states and 6378 transitions. [2022-12-14 05:31:11,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 05:31:11,627 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 5 states have internal predecessors, (136), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) Word has length 318 [2022-12-14 05:31:11,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:31:11,633 INFO L225 Difference]: With dead ends: 4506 [2022-12-14 05:31:11,633 INFO L226 Difference]: Without dead ends: 2518 [2022-12-14 05:31:11,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1269 GetRequests, 1252 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2022-12-14 05:31:11,636 INFO L413 NwaCegarLoop]: 1065 mSDtfsCounter, 234 mSDsluCounter, 5149 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 6214 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:31:11,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 6214 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 05:31:11,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2518 states. [2022-12-14 05:31:11,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 1987. [2022-12-14 05:31:11,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1362 states have (on average 1.3098384728340675) internal successors, (1784), 1387 states have internal predecessors, (1784), 469 states have call successors, (469), 147 states have call predecessors, (469), 155 states have return successors, (504), 485 states have call predecessors, (504), 468 states have call successors, (504) [2022-12-14 05:31:11,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 2757 transitions. [2022-12-14 05:31:11,818 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 2757 transitions. Word has length 318 [2022-12-14 05:31:11,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:31:11,818 INFO L495 AbstractCegarLoop]: Abstraction has 1987 states and 2757 transitions. [2022-12-14 05:31:11,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 5 states have internal predecessors, (136), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 05:31:11,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2757 transitions. [2022-12-14 05:31:11,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2022-12-14 05:31:11,823 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:31:11,823 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 19, 19, 19, 19, 19, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:31:11,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (37)] Ended with exit code 0 [2022-12-14 05:31:12,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2022-12-14 05:31:12,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 05:31:12,225 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:31:12,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:31:12,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1963079739, now seen corresponding path program 1 times [2022-12-14 05:31:12,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:31:12,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724067536] [2022-12-14 05:31:12,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:31:12,230 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 [2022-12-14 05:31:12,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:31:12,231 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:31:12,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (39)] Waiting until timeout for monitored process [2022-12-14 05:31:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:31:14,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 3584 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:31:14,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:31:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2768 trivial. 0 not checked. [2022-12-14 05:31:14,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:31:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2768 trivial. 0 not checked. [2022-12-14 05:31:15,704 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:31:15,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724067536] [2022-12-14 05:31:15,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724067536] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:31:15,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1878149776] [2022-12-14 05:31:15,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:31:15,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:31:15,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:31:15,706 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:31:15,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2022-12-14 05:31:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:31:17,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 3584 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 05:31:17,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:31:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 1422 proven. 2 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2022-12-14 05:31:18,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:31:22,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 2743 trivial. 0 not checked. [2022-12-14 05:31:22,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1878149776] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:31:22,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114461220] [2022-12-14 05:31:22,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:31:22,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:31:22,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:31:22,460 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:31:22,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-12-14 05:31:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:31:23,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 3584 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 05:31:23,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:31:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 1422 proven. 2 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2022-12-14 05:31:24,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:31:26,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 2743 trivial. 0 not checked. [2022-12-14 05:31:26,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114461220] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:31:26,540 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 05:31:26,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 8, 8, 8, 8] total 18 [2022-12-14 05:31:26,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707680031] [2022-12-14 05:31:26,541 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 05:31:26,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-14 05:31:26,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:31:26,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-14 05:31:26,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2022-12-14 05:31:26,543 INFO L87 Difference]: Start difference. First operand 1987 states and 2757 transitions. Second operand has 18 states, 18 states have (on average 16.5) internal successors, (297), 14 states have internal predecessors, (297), 4 states have call successors, (84), 2 states have call predecessors, (84), 6 states have return successors, (87), 8 states have call predecessors, (87), 4 states have call successors, (87) [2022-12-14 05:31:29,557 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 [] [2022-12-14 05:31:31,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:31:33,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:31:35,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:31:37,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:31:39,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:31:41,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:31:43,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:31:45,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:31:47,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:31:49,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:31:52,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:31:54,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:31:56,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:31:58,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:00,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:02,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:04,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:06,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:08,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:10,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:12,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:15,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:17,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:19,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:21,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:23,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:25,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:27,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:29,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:31,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:33,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:35,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:37,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:39,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:41,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:44,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:44,703 INFO L93 Difference]: Finished difference Result 4260 states and 6046 transitions. [2022-12-14 05:32:44,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 05:32:44,704 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 16.5) internal successors, (297), 14 states have internal predecessors, (297), 4 states have call successors, (84), 2 states have call predecessors, (84), 6 states have return successors, (87), 8 states have call predecessors, (87), 4 states have call successors, (87) Word has length 691 [2022-12-14 05:32:44,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:44,712 INFO L225 Difference]: With dead ends: 4260 [2022-12-14 05:32:44,712 INFO L226 Difference]: Without dead ends: 2276 [2022-12-14 05:32:44,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4144 GetRequests, 4125 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2022-12-14 05:32:44,718 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 82 mSDsluCounter, 9855 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 22 mSolverCounterUnsat, 35 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 10757 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 35 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:44,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 10757 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 241 Invalid, 35 Unknown, 0 Unchecked, 76.9s Time] [2022-12-14 05:32:44,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2276 states. [2022-12-14 05:32:44,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2276 to 2224. [2022-12-14 05:32:44,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2224 states, 1555 states have (on average 1.302250803858521) internal successors, (2025), 1566 states have internal predecessors, (2025), 504 states have call successors, (504), 147 states have call predecessors, (504), 164 states have return successors, (585), 539 states have call predecessors, (585), 503 states have call successors, (585) [2022-12-14 05:32:44,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 2224 states and 3114 transitions. [2022-12-14 05:32:44,953 INFO L78 Accepts]: Start accepts. Automaton has 2224 states and 3114 transitions. Word has length 691 [2022-12-14 05:32:44,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:44,953 INFO L495 AbstractCegarLoop]: Abstraction has 2224 states and 3114 transitions. [2022-12-14 05:32:44,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 16.5) internal successors, (297), 14 states have internal predecessors, (297), 4 states have call successors, (84), 2 states have call predecessors, (84), 6 states have return successors, (87), 8 states have call predecessors, (87), 4 states have call successors, (87) [2022-12-14 05:32:44,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 3114 transitions. [2022-12-14 05:32:44,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2022-12-14 05:32:44,963 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:44,964 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 8, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:32:45,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (39)] Ended with exit code 0 [2022-12-14 05:32:45,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2022-12-14 05:32:45,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2022-12-14 05:32:45,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 05:32:45,566 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:32:45,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:45,568 INFO L85 PathProgramCache]: Analyzing trace with hash -2070659002, now seen corresponding path program 1 times [2022-12-14 05:32:45,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:32:45,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [833214089] [2022-12-14 05:32:45,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:45,572 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 [2022-12-14 05:32:45,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:32:45,573 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:32:45,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (42)] Waiting until timeout for monitored process [2022-12-14 05:32:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:48,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 3961 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:32:48,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:32:48,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 364 proven. 1 refuted. 0 times theorem prover too weak. 2051 trivial. 0 not checked. [2022-12-14 05:32:48,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:32:50,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2413 trivial. 0 not checked. [2022-12-14 05:32:50,107 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:32:50,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [833214089] [2022-12-14 05:32:50,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [833214089] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:32:50,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2093675163] [2022-12-14 05:32:50,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:50,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:32:50,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:32:50,108 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:32:50,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2022-12-14 05:32:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:51,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 3961 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:32:51,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:32:52,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 1170 proven. 2 refuted. 0 times theorem prover too weak. 1244 trivial. 0 not checked. [2022-12-14 05:32:52,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:32:55,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 2388 trivial. 0 not checked. [2022-12-14 05:32:55,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2093675163] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:32:55,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043474992] [2022-12-14 05:32:55,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:55,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:32:55,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:32:55,420 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:32:55,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-12-14 05:32:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:57,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 3961 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:32:57,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:32:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 1170 proven. 2 refuted. 0 times theorem prover too weak. 1244 trivial. 0 not checked. [2022-12-14 05:32:57,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:33:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 2388 trivial. 0 not checked. [2022-12-14 05:33:00,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043474992] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:33:00,076 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 05:33:00,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5, 5, 5, 5] total 9 [2022-12-14 05:33:00,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093144068] [2022-12-14 05:33:00,077 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 05:33:00,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 05:33:00,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:33:00,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 05:33:00,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:33:00,080 INFO L87 Difference]: Start difference. First operand 2224 states and 3114 transitions. Second operand has 9 states, 9 states have (on average 32.55555555555556) internal successors, (293), 8 states have internal predecessors, (293), 5 states have call successors, (97), 2 states have call predecessors, (97), 3 states have return successors, (99), 6 states have call predecessors, (99), 5 states have call successors, (99) [2022-12-14 05:33:02,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:33:04,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:33:06,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:33:08,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:08,470 INFO L93 Difference]: Finished difference Result 4586 states and 6607 transitions. [2022-12-14 05:33:08,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 05:33:08,472 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 32.55555555555556) internal successors, (293), 8 states have internal predecessors, (293), 5 states have call successors, (97), 2 states have call predecessors, (97), 3 states have return successors, (99), 6 states have call predecessors, (99), 5 states have call successors, (99) Word has length 711 [2022-12-14 05:33:08,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:08,479 INFO L225 Difference]: With dead ends: 4586 [2022-12-14 05:33:08,480 INFO L226 Difference]: Without dead ends: 2365 [2022-12-14 05:33:08,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4262 GetRequests, 4254 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 05:33:08,485 INFO L413 NwaCegarLoop]: 897 mSDtfsCounter, 20 mSDsluCounter, 5300 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 17 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 6197 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:08,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 6197 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 117 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2022-12-14 05:33:08,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2365 states. [2022-12-14 05:33:08,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2365 to 2350. [2022-12-14 05:33:08,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2350 states, 1629 states have (on average 1.2977286678944138) internal successors, (2114), 1645 states have internal predecessors, (2114), 556 states have call successors, (556), 147 states have call predecessors, (556), 164 states have return successors, (642), 596 states have call predecessors, (642), 555 states have call successors, (642) [2022-12-14 05:33:08,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 2350 states and 3312 transitions. [2022-12-14 05:33:08,745 INFO L78 Accepts]: Start accepts. Automaton has 2350 states and 3312 transitions. Word has length 711 [2022-12-14 05:33:08,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:08,746 INFO L495 AbstractCegarLoop]: Abstraction has 2350 states and 3312 transitions. [2022-12-14 05:33:08,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 32.55555555555556) internal successors, (293), 8 states have internal predecessors, (293), 5 states have call successors, (97), 2 states have call predecessors, (97), 3 states have return successors, (99), 6 states have call predecessors, (99), 5 states have call successors, (99) [2022-12-14 05:33:08,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 3312 transitions. [2022-12-14 05:33:08,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2022-12-14 05:33:08,751 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:08,751 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 18, 18, 18, 18, 18, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:33:08,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (42)] Ended with exit code 0 [2022-12-14 05:33:09,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-12-14 05:33:09,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2022-12-14 05:33:09,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 05:33:09,354 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:33:09,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:09,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1957899875, now seen corresponding path program 1 times [2022-12-14 05:33:09,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:33:09,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821621324] [2022-12-14 05:33:09,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:09,359 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 [2022-12-14 05:33:09,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:33:09,360 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:33:09,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (45)] Waiting until timeout for monitored process [2022-12-14 05:33:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:12,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 3876 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 05:33:12,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:33:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2813 backedges. 746 proven. 22 refuted. 0 times theorem prover too weak. 2045 trivial. 0 not checked. [2022-12-14 05:33:13,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:33:15,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2813 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 2789 trivial. 0 not checked. [2022-12-14 05:33:15,892 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:33:15,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821621324] [2022-12-14 05:33:15,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821621324] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:33:15,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [263705058] [2022-12-14 05:33:15,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:15,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:33:15,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:33:15,893 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:33:15,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2022-12-14 05:33:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:18,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 3876 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:33:18,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:33:19,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2813 backedges. 1343 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2022-12-14 05:33:19,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:33:19,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [263705058] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:19,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 05:33:19,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 7] total 13 [2022-12-14 05:33:19,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436931994] [2022-12-14 05:33:19,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:19,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:33:19,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:33:19,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:33:19,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-12-14 05:33:19,174 INFO L87 Difference]: Start difference. First operand 2350 states and 3312 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-12-14 05:33:19,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:19,507 INFO L93 Difference]: Finished difference Result 4733 states and 6709 transitions. [2022-12-14 05:33:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:33:19,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 720 [2022-12-14 05:33:19,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:19,514 INFO L225 Difference]: With dead ends: 4733 [2022-12-14 05:33:19,514 INFO L226 Difference]: Without dead ends: 2386 [2022-12-14 05:33:19,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2157 GetRequests, 2146 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-12-14 05:33:19,518 INFO L413 NwaCegarLoop]: 886 mSDtfsCounter, 9 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:19,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1768 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:33:19,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2386 states. [2022-12-14 05:33:19,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2386 to 2374. [2022-12-14 05:33:19,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 1653 states have (on average 1.3006654567453115) internal successors, (2150), 1669 states have internal predecessors, (2150), 556 states have call successors, (556), 147 states have call predecessors, (556), 164 states have return successors, (642), 596 states have call predecessors, (642), 555 states have call successors, (642) [2022-12-14 05:33:19,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 3348 transitions. [2022-12-14 05:33:19,754 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 3348 transitions. Word has length 720 [2022-12-14 05:33:19,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:19,755 INFO L495 AbstractCegarLoop]: Abstraction has 2374 states and 3348 transitions. [2022-12-14 05:33:19,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-12-14 05:33:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3348 transitions. [2022-12-14 05:33:19,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2022-12-14 05:33:19,761 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:19,762 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 18, 18, 18, 18, 18, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:33:19,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (45)] Ended with exit code 0 [2022-12-14 05:33:19,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2022-12-14 05:33:20,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 05:33:20,163 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:33:20,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:20,167 INFO L85 PathProgramCache]: Analyzing trace with hash -633147427, now seen corresponding path program 1 times [2022-12-14 05:33:20,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:33:20,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484835887] [2022-12-14 05:33:20,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:20,175 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 [2022-12-14 05:33:20,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:33:20,178 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:33:20,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (47)] Waiting until timeout for monitored process [2022-12-14 05:33:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:23,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 3874 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 05:33:23,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:33:24,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2813 backedges. 746 proven. 22 refuted. 0 times theorem prover too weak. 2045 trivial. 0 not checked. [2022-12-14 05:33:24,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:33:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2813 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 2789 trivial. 0 not checked. [2022-12-14 05:33:26,565 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:33:26,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [484835887] [2022-12-14 05:33:26,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [484835887] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:33:26,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1682298297] [2022-12-14 05:33:26,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:26,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:33:26,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:33:26,566 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:33:26,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2022-12-14 05:33:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:29,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 3874 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:33:29,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:33:30,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2813 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2813 trivial. 0 not checked. [2022-12-14 05:33:30,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:33:30,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1682298297] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:30,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 05:33:30,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 7] total 13 [2022-12-14 05:33:30,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626067497] [2022-12-14 05:33:30,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:30,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:33:30,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:33:30,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:33:30,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-12-14 05:33:30,184 INFO L87 Difference]: Start difference. First operand 2374 states and 3348 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-14 05:33:30,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:30,587 INFO L93 Difference]: Finished difference Result 2374 states and 3348 transitions. [2022-12-14 05:33:30,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:33:30,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 720 [2022-12-14 05:33:30,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:30,588 INFO L225 Difference]: With dead ends: 2374 [2022-12-14 05:33:30,589 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 05:33:30,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2157 GetRequests, 2146 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-12-14 05:33:30,592 INFO L413 NwaCegarLoop]: 1193 mSDtfsCounter, 365 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 2012 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:30,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 2012 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:33:30,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 05:33:30,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 05:33:30,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:33:30,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 05:33:30,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 720 [2022-12-14 05:33:30,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:30,593 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 05:33:30,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-14 05:33:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 05:33:30,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 05:33:30,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 05:33:30,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2022-12-14 05:33:30,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 (47)] Ended with exit code 0 [2022-12-14 05:33:30,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:33:31,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 05:37:17,788 WARN L233 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 110 DAG size of output: 15 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-14 05:39:29,569 INFO L899 garLoopResultBuilder]: For program point L2975-1(line 2975) no Hoare annotation was computed. [2022-12-14 05:39:29,569 INFO L902 garLoopResultBuilder]: At program point L2975(line 2975) the Hoare annotation is: true [2022-12-14 05:39:29,569 INFO L899 garLoopResultBuilder]: For program point L2971(lines 2971 2982) no Hoare annotation was computed. [2022-12-14 05:39:29,569 INFO L899 garLoopResultBuilder]: For program point L2971-2(lines 2967 2983) no Hoare annotation was computed. [2022-12-14 05:39:29,569 INFO L899 garLoopResultBuilder]: For program point L2967(lines 2967 2983) no Hoare annotation was computed. [2022-12-14 05:39:29,569 INFO L902 garLoopResultBuilder]: At program point L2965-1(line 2965) the Hoare annotation is: true [2022-12-14 05:39:29,569 INFO L902 garLoopResultBuilder]: At program point L2965(line 2965) the Hoare annotation is: true [2022-12-14 05:39:29,570 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2955 2986) the Hoare annotation is: true [2022-12-14 05:39:29,570 INFO L899 garLoopResultBuilder]: For program point copy_from_userEXIT(lines 2955 2986) no Hoare annotation was computed. [2022-12-14 05:39:29,570 INFO L899 garLoopResultBuilder]: For program point L2976(lines 2976 2980) no Hoare annotation was computed. [2022-12-14 05:39:29,570 INFO L902 garLoopResultBuilder]: At program point L2976-2(lines 2976 2980) the Hoare annotation is: true [2022-12-14 05:39:29,570 INFO L902 garLoopResultBuilder]: At program point L2972(line 2972) the Hoare annotation is: true [2022-12-14 05:39:29,570 INFO L902 garLoopResultBuilder]: At program point L2970(line 2970) the Hoare annotation is: true [2022-12-14 05:39:29,570 INFO L899 garLoopResultBuilder]: For program point L2972-1(line 2972) no Hoare annotation was computed. [2022-12-14 05:39:29,570 INFO L902 garLoopResultBuilder]: At program point L2968(line 2968) the Hoare annotation is: true [2022-12-14 05:39:29,570 INFO L899 garLoopResultBuilder]: For program point L2970-1(line 2970) no Hoare annotation was computed. [2022-12-14 05:39:29,571 INFO L899 garLoopResultBuilder]: For program point L2966(line 2966) no Hoare annotation was computed. [2022-12-14 05:39:29,571 INFO L899 garLoopResultBuilder]: For program point L2968-1(line 2968) no Hoare annotation was computed. [2022-12-14 05:39:29,571 INFO L899 garLoopResultBuilder]: For program point copy_from_userFINAL(lines 2955 2986) no Hoare annotation was computed. [2022-12-14 05:39:29,571 INFO L899 garLoopResultBuilder]: For program point L2981(line 2981) no Hoare annotation was computed. [2022-12-14 05:39:29,571 INFO L899 garLoopResultBuilder]: For program point pi_releaseFINAL(lines 5135 5137) no Hoare annotation was computed. [2022-12-14 05:39:29,571 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5135 5137) the Hoare annotation is: true [2022-12-14 05:39:29,571 INFO L899 garLoopResultBuilder]: For program point pi_releaseEXIT(lines 5135 5137) no Hoare annotation was computed. [2022-12-14 05:39:29,571 INFO L902 garLoopResultBuilder]: At program point __unregister_chrdev_returnLabel#1(lines 5085 5087) the Hoare annotation is: true [2022-12-14 05:39:29,571 INFO L899 garLoopResultBuilder]: For program point ldv_unregister_chrdev_17FINAL(lines 4605 4612) no Hoare annotation was computed. [2022-12-14 05:39:29,571 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4605 4612) the Hoare annotation is: true [2022-12-14 05:39:29,572 INFO L902 garLoopResultBuilder]: At program point unregister_chrdev_returnLabel#1(lines 2903 2909) the Hoare annotation is: true [2022-12-14 05:39:29,572 INFO L899 garLoopResultBuilder]: For program point ldv_unregister_chrdev_17EXIT(lines 4605 4612) no Hoare annotation was computed. [2022-12-14 05:39:29,572 INFO L899 garLoopResultBuilder]: For program point write_regFINAL(lines 3035 3041) no Hoare annotation was computed. [2022-12-14 05:39:29,572 INFO L902 garLoopResultBuilder]: At program point pi_write_regr_returnLabel#1(lines 5141 5143) the Hoare annotation is: true [2022-12-14 05:39:29,572 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3035 3041) the Hoare annotation is: true [2022-12-14 05:39:29,572 INFO L899 garLoopResultBuilder]: For program point write_regEXIT(lines 3035 3041) no Hoare annotation was computed. [2022-12-14 05:39:29,572 INFO L899 garLoopResultBuilder]: For program point atomic_incEXIT(lines 2824 2830) no Hoare annotation was computed. [2022-12-14 05:39:29,572 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2824 2830) the Hoare annotation is: true [2022-12-14 05:39:29,572 INFO L899 garLoopResultBuilder]: For program point atomic_incFINAL(lines 2824 2830) no Hoare annotation was computed. [2022-12-14 05:39:29,573 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5121 5123) the Hoare annotation is: true [2022-12-14 05:39:29,573 INFO L899 garLoopResultBuilder]: For program point pi_disconnectFINAL(lines 5121 5123) no Hoare annotation was computed. [2022-12-14 05:39:29,573 INFO L899 garLoopResultBuilder]: For program point pi_disconnectEXIT(lines 5121 5123) no Hoare annotation was computed. [2022-12-14 05:39:29,573 INFO L899 garLoopResultBuilder]: For program point L4977(lines 4977 4980) no Hoare annotation was computed. [2022-12-14 05:39:29,573 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_lock_pt_mutexEXIT(lines 4974 4984) no Hoare annotation was computed. [2022-12-14 05:39:29,573 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 4974 4984) the Hoare annotation is: (or (not (= |old(~ldv_mutex_pt_mutex~0)| (_ bv1 32))) (not (= ~ldv_mutex_lock~0 (_ bv1 32))) (not (= ~ldv_retval_pt_init~0 (_ bv0 32))) (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32))) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32))) (not (= ~disable~0 (_ bv0 32)))) [2022-12-14 05:39:29,574 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_lock_pt_mutexFINAL(lines 4974 4984) no Hoare annotation was computed. [2022-12-14 05:39:29,574 INFO L895 garLoopResultBuilder]: At program point L4979(line 4979) the Hoare annotation is: (or (not (= |old(~ldv_mutex_pt_mutex~0)| (_ bv1 32))) (not (= ~ldv_mutex_lock~0 (_ bv1 32))) (not (= ~ldv_retval_pt_init~0 (_ bv0 32))) (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32))) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32))) (not (= ~disable~0 (_ bv0 32)))) [2022-12-14 05:39:29,574 INFO L899 garLoopResultBuilder]: For program point L4979-1(lines 4977 4980) no Hoare annotation was computed. [2022-12-14 05:39:29,574 INFO L902 garLoopResultBuilder]: At program point L3024(line 3024) the Hoare annotation is: true [2022-12-14 05:39:29,574 INFO L899 garLoopResultBuilder]: For program point L3024-1(line 3024) no Hoare annotation was computed. [2022-12-14 05:39:29,574 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3021 3027) the Hoare annotation is: true [2022-12-14 05:39:29,574 INFO L899 garLoopResultBuilder]: For program point status_regEXIT(lines 3021 3027) no Hoare annotation was computed. [2022-12-14 05:39:29,575 INFO L899 garLoopResultBuilder]: For program point status_regFINAL(lines 3021 3027) no Hoare annotation was computed. [2022-12-14 05:39:29,575 INFO L899 garLoopResultBuilder]: For program point __const_udelayFINAL(lines 5078 5080) no Hoare annotation was computed. [2022-12-14 05:39:29,575 INFO L899 garLoopResultBuilder]: For program point __const_udelayEXIT(lines 5078 5080) no Hoare annotation was computed. [2022-12-14 05:39:29,575 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5078 5080) the Hoare annotation is: true [2022-12-14 05:39:29,575 INFO L899 garLoopResultBuilder]: For program point DRIVEFINAL(lines 3042 3047) no Hoare annotation was computed. [2022-12-14 05:39:29,575 INFO L899 garLoopResultBuilder]: For program point DRIVEEXIT(lines 3042 3047) no Hoare annotation was computed. [2022-12-14 05:39:29,575 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3042 3047) the Hoare annotation is: true [2022-12-14 05:39:29,575 INFO L899 garLoopResultBuilder]: For program point L3165-1(lines 3165 3169) no Hoare annotation was computed. [2022-12-14 05:39:29,575 INFO L899 garLoopResultBuilder]: For program point L3163(line 3163) no Hoare annotation was computed. [2022-12-14 05:39:29,575 INFO L899 garLoopResultBuilder]: For program point pt_completionFINAL(lines 3132 3172) no Hoare annotation was computed. [2022-12-14 05:39:29,576 INFO L899 garLoopResultBuilder]: For program point L3153-1(lines 3147 3161) no Hoare annotation was computed. [2022-12-14 05:39:29,576 INFO L899 garLoopResultBuilder]: For program point L3153(lines 3153 3156) no Hoare annotation was computed. [2022-12-14 05:39:29,576 INFO L899 garLoopResultBuilder]: For program point L3151-1(line 3151) no Hoare annotation was computed. [2022-12-14 05:39:29,576 INFO L902 garLoopResultBuilder]: At program point L3151(line 3151) the Hoare annotation is: true [2022-12-14 05:39:29,576 INFO L899 garLoopResultBuilder]: For program point L3149-1(line 3149) no Hoare annotation was computed. [2022-12-14 05:39:29,576 INFO L902 garLoopResultBuilder]: At program point L3149(line 3149) the Hoare annotation is: true [2022-12-14 05:39:29,576 INFO L902 garLoopResultBuilder]: At program point L3147-1(lines 3147 3162) the Hoare annotation is: true [2022-12-14 05:39:29,576 INFO L899 garLoopResultBuilder]: For program point L3147(lines 3147 3162) no Hoare annotation was computed. [2022-12-14 05:39:29,576 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3132 3172) the Hoare annotation is: true [2022-12-14 05:39:29,577 INFO L899 garLoopResultBuilder]: For program point L3145-1(line 3145) no Hoare annotation was computed. [2022-12-14 05:39:29,577 INFO L902 garLoopResultBuilder]: At program point L3145(line 3145) the Hoare annotation is: true [2022-12-14 05:39:29,577 INFO L902 garLoopResultBuilder]: At program point L3164(line 3164) the Hoare annotation is: true [2022-12-14 05:39:29,577 INFO L899 garLoopResultBuilder]: For program point L3164-1(lines 3143 3171) no Hoare annotation was computed. [2022-12-14 05:39:29,577 INFO L902 garLoopResultBuilder]: At program point L3158(line 3158) the Hoare annotation is: true [2022-12-14 05:39:29,577 INFO L902 garLoopResultBuilder]: At program point L3154(line 3154) the Hoare annotation is: true [2022-12-14 05:39:29,577 INFO L902 garLoopResultBuilder]: At program point L3148(line 3148) the Hoare annotation is: true [2022-12-14 05:39:29,577 INFO L902 garLoopResultBuilder]: At program point L3146(line 3146) the Hoare annotation is: true [2022-12-14 05:39:29,577 INFO L899 garLoopResultBuilder]: For program point L3148-1(line 3148) no Hoare annotation was computed. [2022-12-14 05:39:29,578 INFO L899 garLoopResultBuilder]: For program point L3146-1(line 3146) no Hoare annotation was computed. [2022-12-14 05:39:29,578 INFO L899 garLoopResultBuilder]: For program point pt_completionEXIT(lines 3132 3172) no Hoare annotation was computed. [2022-12-14 05:39:29,578 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5128 5130) the Hoare annotation is: true [2022-12-14 05:39:29,578 INFO L899 garLoopResultBuilder]: For program point pi_read_blockFINAL(lines 5128 5130) no Hoare annotation was computed. [2022-12-14 05:39:29,578 INFO L899 garLoopResultBuilder]: For program point pi_read_blockEXIT(lines 5128 5130) no Hoare annotation was computed. [2022-12-14 05:39:29,578 INFO L899 garLoopResultBuilder]: For program point read_regFINAL(lines 3028 3034) no Hoare annotation was computed. [2022-12-14 05:39:29,578 INFO L899 garLoopResultBuilder]: For program point read_regEXIT(lines 3028 3034) no Hoare annotation was computed. [2022-12-14 05:39:29,578 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3028 3034) the Hoare annotation is: true [2022-12-14 05:39:29,578 INFO L899 garLoopResultBuilder]: For program point L3031-1(line 3031) no Hoare annotation was computed. [2022-12-14 05:39:29,578 INFO L902 garLoopResultBuilder]: At program point L3031(line 3031) the Hoare annotation is: true [2022-12-14 05:39:29,579 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3261 3267) the Hoare annotation is: true [2022-12-14 05:39:29,579 INFO L899 garLoopResultBuilder]: For program point pt_sleepEXIT(lines 3261 3267) no Hoare annotation was computed. [2022-12-14 05:39:29,579 INFO L902 garLoopResultBuilder]: At program point schedule_timeout_interruptible_returnLabel#1(lines 5149 5151) the Hoare annotation is: true [2022-12-14 05:39:29,579 INFO L899 garLoopResultBuilder]: For program point pt_sleepFINAL(lines 3261 3267) no Hoare annotation was computed. [2022-12-14 05:39:29,579 INFO L902 garLoopResultBuilder]: At program point L3322(line 3322) the Hoare annotation is: true [2022-12-14 05:39:29,579 INFO L899 garLoopResultBuilder]: For program point L3323-1(line 3323) no Hoare annotation was computed. [2022-12-14 05:39:29,579 INFO L902 garLoopResultBuilder]: At program point L3323(line 3323) the Hoare annotation is: true [2022-12-14 05:39:29,579 INFO L899 garLoopResultBuilder]: For program point L3322-1(line 3322) no Hoare annotation was computed. [2022-12-14 05:39:29,579 INFO L902 garLoopResultBuilder]: At program point L3318(line 3318) the Hoare annotation is: true [2022-12-14 05:39:29,580 INFO L902 garLoopResultBuilder]: At program point L3316(line 3316) the Hoare annotation is: true [2022-12-14 05:39:29,580 INFO L899 garLoopResultBuilder]: For program point L3317(lines 3317 3321) no Hoare annotation was computed. [2022-12-14 05:39:29,580 INFO L899 garLoopResultBuilder]: For program point L3316-1(line 3316) no Hoare annotation was computed. [2022-12-14 05:39:29,580 INFO L899 garLoopResultBuilder]: For program point pt_media_access_cmdFINAL(lines 3313 3326) no Hoare annotation was computed. [2022-12-14 05:39:29,580 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3313 3326) the Hoare annotation is: true [2022-12-14 05:39:29,580 INFO L899 garLoopResultBuilder]: For program point pt_media_access_cmdEXIT(lines 3313 3326) no Hoare annotation was computed. [2022-12-14 05:39:29,580 INFO L899 garLoopResultBuilder]: For program point L3361-1(line 3361) no Hoare annotation was computed. [2022-12-14 05:39:29,580 INFO L899 garLoopResultBuilder]: For program point pt_write_fmEXIT(lines 3346 3364) no Hoare annotation was computed. [2022-12-14 05:39:29,580 INFO L902 garLoopResultBuilder]: At program point L3361(line 3361) the Hoare annotation is: true [2022-12-14 05:39:29,580 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3346 3364) the Hoare annotation is: true [2022-12-14 05:39:29,581 INFO L899 garLoopResultBuilder]: For program point pt_write_fmFINAL(lines 3346 3364) no Hoare annotation was computed. [2022-12-14 05:39:29,581 INFO L902 garLoopResultBuilder]: At program point ldv_is_err_returnLabel#1(lines 2921 2924) the Hoare annotation is: true [2022-12-14 05:39:29,581 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 2925 2934) no Hoare annotation was computed. [2022-12-14 05:39:29,581 INFO L899 garLoopResultBuilder]: For program point L2927(lines 2927 2933) no Hoare annotation was computed. [2022-12-14 05:39:29,581 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2925 2934) the Hoare annotation is: true [2022-12-14 05:39:29,581 INFO L899 garLoopResultBuilder]: For program point L2918(line 2918) no Hoare annotation was computed. [2022-12-14 05:39:29,581 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 2925 2934) no Hoare annotation was computed. [2022-12-14 05:39:29,581 INFO L899 garLoopResultBuilder]: For program point L2917(lines 2917 2919) no Hoare annotation was computed. [2022-12-14 05:39:29,581 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2884 2889) the Hoare annotation is: true [2022-12-14 05:39:29,581 INFO L899 garLoopResultBuilder]: For program point iminorEXIT(lines 2884 2889) no Hoare annotation was computed. [2022-12-14 05:39:29,582 INFO L899 garLoopResultBuilder]: For program point iminorFINAL(lines 2884 2889) no Hoare annotation was computed. [2022-12-14 05:39:29,582 INFO L899 garLoopResultBuilder]: For program point L3425(line 3425) no Hoare annotation was computed. [2022-12-14 05:39:29,582 INFO L899 garLoopResultBuilder]: For program point L3384(line 3384) no Hoare annotation was computed. [2022-12-14 05:39:29,582 INFO L899 garLoopResultBuilder]: For program point L3442(line 3442) no Hoare annotation was computed. [2022-12-14 05:39:29,582 INFO L899 garLoopResultBuilder]: For program point L3397(lines 3397 3401) no Hoare annotation was computed. [2022-12-14 05:39:29,582 INFO L902 garLoopResultBuilder]: At program point $Ultimate##8(lines 3420 3441) the Hoare annotation is: true [2022-12-14 05:39:29,582 INFO L902 garLoopResultBuilder]: At program point $Ultimate##6(lines 3414 3418) the Hoare annotation is: true [2022-12-14 05:39:29,582 INFO L902 garLoopResultBuilder]: At program point L3385-1(line 3385) the Hoare annotation is: true [2022-12-14 05:39:29,582 INFO L902 garLoopResultBuilder]: At program point L3385(line 3385) the Hoare annotation is: true [2022-12-14 05:39:29,582 INFO L899 garLoopResultBuilder]: For program point L3410(line 3410) no Hoare annotation was computed. [2022-12-14 05:39:29,583 INFO L899 garLoopResultBuilder]: For program point L3435-1(lines 3435 3438) no Hoare annotation was computed. [2022-12-14 05:39:29,583 INFO L902 garLoopResultBuilder]: At program point L3386(line 3386) the Hoare annotation is: true [2022-12-14 05:39:29,583 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3365 3445) the Hoare annotation is: true [2022-12-14 05:39:29,583 INFO L902 garLoopResultBuilder]: At program point $Ultimate##10(lines 3429 3433) the Hoare annotation is: true [2022-12-14 05:39:29,583 INFO L895 garLoopResultBuilder]: At program point ldv_22852(lines 3420 3440) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 (_ bv1 32))) (not (= ~ldv_retval_pt_init~0 (_ bv0 32))) (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32))) (not (= (_ bv1 32) ~ldv_state_variable_0~0)) (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) (bvsle pt_reset_~i~0 (_ bv4 32)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32))) (not (= ~disable~0 (_ bv0 32)))) [2022-12-14 05:39:29,583 INFO L899 garLoopResultBuilder]: For program point pt_resetEXIT(lines 3365 3445) no Hoare annotation was computed. [2022-12-14 05:39:29,583 INFO L902 garLoopResultBuilder]: At program point $Ultimate##12(lines 3435 3438) the Hoare annotation is: true [2022-12-14 05:39:29,583 INFO L899 garLoopResultBuilder]: For program point L3395(lines 3395 3404) no Hoare annotation was computed. [2022-12-14 05:39:29,583 INFO L902 garLoopResultBuilder]: At program point L3391(lines 3376 3444) the Hoare annotation is: true [2022-12-14 05:39:29,584 INFO L899 garLoopResultBuilder]: For program point L3387(line 3387) no Hoare annotation was computed. [2022-12-14 05:39:29,584 INFO L902 garLoopResultBuilder]: At program point L3420-1(lines 3420 3441) the Hoare annotation is: true [2022-12-14 05:39:29,584 INFO L902 garLoopResultBuilder]: At program point L3383-1(line 3383) the Hoare annotation is: true [2022-12-14 05:39:29,584 INFO L902 garLoopResultBuilder]: At program point L3383(line 3383) the Hoare annotation is: true [2022-12-14 05:39:29,584 INFO L902 garLoopResultBuilder]: At program point ldv_22846(lines 3376 3444) the Hoare annotation is: true [2022-12-14 05:39:29,584 INFO L899 garLoopResultBuilder]: For program point pt_resetFINAL(lines 3365 3445) no Hoare annotation was computed. [2022-12-14 05:39:29,584 INFO L902 garLoopResultBuilder]: At program point ldv_22848(lines 3376 3444) the Hoare annotation is: true [2022-12-14 05:39:29,584 INFO L895 garLoopResultBuilder]: At program point ldv_22849(lines 3376 3444) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 (_ bv1 32))) (not (= ~ldv_retval_pt_init~0 (_ bv0 32))) (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32))) (not (= (_ bv1 32) ~ldv_state_variable_0~0)) (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) (bvsle pt_reset_~i~0 (_ bv4 32)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32))) (not (= ~disable~0 (_ bv0 32)))) [2022-12-14 05:39:29,584 INFO L902 garLoopResultBuilder]: At program point L3396(line 3396) the Hoare annotation is: true [2022-12-14 05:39:29,585 INFO L899 garLoopResultBuilder]: For program point L3396-1(line 3396) no Hoare annotation was computed. [2022-12-14 05:39:29,585 INFO L899 garLoopResultBuilder]: For program point pi_write_blockEXIT(lines 5138 5140) no Hoare annotation was computed. [2022-12-14 05:39:29,585 INFO L899 garLoopResultBuilder]: For program point pi_write_blockFINAL(lines 5138 5140) no Hoare annotation was computed. [2022-12-14 05:39:29,585 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5138 5140) the Hoare annotation is: true [2022-12-14 05:39:29,585 INFO L899 garLoopResultBuilder]: For program point L3644(lines 3644 3652) no Hoare annotation was computed. [2022-12-14 05:39:29,585 INFO L899 garLoopResultBuilder]: For program point L3644-2(lines 3644 3652) no Hoare annotation was computed. [2022-12-14 05:39:29,585 INFO L899 garLoopResultBuilder]: For program point L3479(lines 3479 3482) no Hoare annotation was computed. [2022-12-14 05:39:29,585 INFO L899 garLoopResultBuilder]: For program point L3603-1(line 3603) no Hoare annotation was computed. [2022-12-14 05:39:29,585 INFO L902 garLoopResultBuilder]: At program point L3603(line 3603) the Hoare annotation is: true [2022-12-14 05:39:29,585 INFO L899 garLoopResultBuilder]: For program point L3475(lines 3475 3478) no Hoare annotation was computed. [2022-12-14 05:39:29,586 INFO L902 garLoopResultBuilder]: At program point pt_ready_wait_returnLabel#1(lines 3446 3494) the Hoare annotation is: true [2022-12-14 05:39:29,586 INFO L899 garLoopResultBuilder]: For program point L3628(line 3628) no Hoare annotation was computed. [2022-12-14 05:39:29,586 INFO L902 garLoopResultBuilder]: At program point pt_ready_wait_ldv_22862#1(lines 3451 3493) the Hoare annotation is: true [2022-12-14 05:39:29,586 INFO L899 garLoopResultBuilder]: For program point L3624(lines 3624 3627) no Hoare annotation was computed. [2022-12-14 05:39:29,586 INFO L902 garLoopResultBuilder]: At program point pt_ready_wait_ldv_22864#1(lines 3451 3493) the Hoare annotation is: true [2022-12-14 05:39:29,586 INFO L902 garLoopResultBuilder]: At program point L3624-2(lines 3624 3627) the Hoare annotation is: true [2022-12-14 05:39:29,586 INFO L902 garLoopResultBuilder]: At program point L3484(line 3484) the Hoare annotation is: true [2022-12-14 05:39:29,586 INFO L899 garLoopResultBuilder]: For program point L3604(lines 3604 3607) no Hoare annotation was computed. [2022-12-14 05:39:29,586 INFO L899 garLoopResultBuilder]: For program point pt_identifyFINAL(lines 3551 3655) no Hoare annotation was computed. [2022-12-14 05:39:29,586 INFO L899 garLoopResultBuilder]: For program point L3637(line 3637) no Hoare annotation was computed. [2022-12-14 05:39:29,586 INFO L899 garLoopResultBuilder]: For program point L3468(lines 3468 3472) no Hoare annotation was computed. [2022-12-14 05:39:29,587 INFO L899 garLoopResultBuilder]: For program point L3629(lines 3629 3636) no Hoare annotation was computed. [2022-12-14 05:39:29,587 INFO L902 garLoopResultBuilder]: At program point L3468-2(lines 3468 3472) the Hoare annotation is: true [2022-12-14 05:39:29,587 INFO L902 garLoopResultBuilder]: At program point L3629-2(lines 3629 3636) the Hoare annotation is: true [2022-12-14 05:39:29,587 INFO L899 garLoopResultBuilder]: For program point pt_identifyEXIT(lines 3551 3655) no Hoare annotation was computed. [2022-12-14 05:39:29,587 INFO L899 garLoopResultBuilder]: For program point L3609(lines 3609 3617) no Hoare annotation was computed. [2022-12-14 05:39:29,587 INFO L899 garLoopResultBuilder]: For program point L3638(lines 3638 3641) no Hoare annotation was computed. [2022-12-14 05:39:29,587 INFO L899 garLoopResultBuilder]: For program point L3638-2(lines 3638 3641) no Hoare annotation was computed. [2022-12-14 05:39:29,587 INFO L899 garLoopResultBuilder]: For program point L3634(line 3634) no Hoare annotation was computed. [2022-12-14 05:39:29,587 INFO L899 garLoopResultBuilder]: For program point L3473(line 3473) no Hoare annotation was computed. [2022-12-14 05:39:29,587 INFO L902 garLoopResultBuilder]: At program point $Ultimate##16(lines 3486 3490) the Hoare annotation is: true [2022-12-14 05:39:29,587 INFO L899 garLoopResultBuilder]: For program point L3630(lines 3630 3633) no Hoare annotation was computed. [2022-12-14 05:39:29,588 INFO L902 garLoopResultBuilder]: At program point L3630-2(lines 3630 3633) the Hoare annotation is: true [2022-12-14 05:39:29,588 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3551 3655) the Hoare annotation is: true [2022-12-14 05:39:29,588 INFO L902 garLoopResultBuilder]: At program point L3618(line 3618) the Hoare annotation is: true [2022-12-14 05:39:29,588 INFO L902 garLoopResultBuilder]: At program point L3618-1(line 3618) the Hoare annotation is: true [2022-12-14 05:39:29,588 INFO L899 garLoopResultBuilder]: For program point L3647(lines 3647 3650) no Hoare annotation was computed. [2022-12-14 05:39:29,588 INFO L899 garLoopResultBuilder]: For program point L3647-2(lines 3647 3650) no Hoare annotation was computed. [2022-12-14 05:39:29,588 INFO L899 garLoopResultBuilder]: For program point L3610(lines 3610 3614) no Hoare annotation was computed. [2022-12-14 05:39:29,588 INFO L899 garLoopResultBuilder]: For program point L3610-2(lines 3610 3614) no Hoare annotation was computed. [2022-12-14 05:39:29,588 INFO L899 garLoopResultBuilder]: For program point L3639-1(line 3639) no Hoare annotation was computed. [2022-12-14 05:39:29,588 INFO L902 garLoopResultBuilder]: At program point L3639(line 3639) the Hoare annotation is: true [2022-12-14 05:39:29,588 INFO L899 garLoopResultBuilder]: For program point L3619(line 3619) no Hoare annotation was computed. [2022-12-14 05:39:29,589 INFO L899 garLoopResultBuilder]: For program point pi_initEXIT(lines 5125 5127) no Hoare annotation was computed. [2022-12-14 05:39:29,589 INFO L899 garLoopResultBuilder]: For program point pi_initFINAL(lines 5125 5127) no Hoare annotation was computed. [2022-12-14 05:39:29,589 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5125 5127) the Hoare annotation is: true [2022-12-14 05:39:29,589 INFO L899 garLoopResultBuilder]: For program point pi_read_regrFINAL(lines 5132 5134) no Hoare annotation was computed. [2022-12-14 05:39:29,589 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5132 5134) the Hoare annotation is: true [2022-12-14 05:39:29,589 INFO L899 garLoopResultBuilder]: For program point pi_read_regrEXIT(lines 5132 5134) no Hoare annotation was computed. [2022-12-14 05:39:29,589 INFO L902 garLoopResultBuilder]: At program point might_faultFINAL(lines 5105 5107) the Hoare annotation is: true [2022-12-14 05:39:29,589 INFO L899 garLoopResultBuilder]: For program point might_faultEXIT(lines 5105 5107) no Hoare annotation was computed. [2022-12-14 05:39:29,589 INFO L902 garLoopResultBuilder]: At program point L3105-1(line 3105) the Hoare annotation is: true [2022-12-14 05:39:29,589 INFO L902 garLoopResultBuilder]: At program point L3105(line 3105) the Hoare annotation is: true [2022-12-14 05:39:29,589 INFO L902 garLoopResultBuilder]: At program point L3103-1(line 3103) the Hoare annotation is: true [2022-12-14 05:39:29,590 INFO L902 garLoopResultBuilder]: At program point L3103(line 3103) the Hoare annotation is: true [2022-12-14 05:39:29,590 INFO L895 garLoopResultBuilder]: At program point L3128(line 3128) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-12-14 05:39:29,590 INFO L899 garLoopResultBuilder]: For program point pt_commandFINAL(lines 3095 3131) no Hoare annotation was computed. [2022-12-14 05:39:29,590 INFO L899 garLoopResultBuilder]: For program point L3128-1(line 3128) no Hoare annotation was computed. [2022-12-14 05:39:29,590 INFO L895 garLoopResultBuilder]: At program point L3124(line 3124) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-12-14 05:39:29,590 INFO L899 garLoopResultBuilder]: For program point L3122(lines 3122 3127) no Hoare annotation was computed. [2022-12-14 05:39:29,590 INFO L899 garLoopResultBuilder]: For program point L3124-1(line 3124) no Hoare annotation was computed. [2022-12-14 05:39:29,590 INFO L899 garLoopResultBuilder]: For program point L3116(lines 3116 3120) no Hoare annotation was computed. [2022-12-14 05:39:29,590 INFO L895 garLoopResultBuilder]: At program point L3114(line 3114) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-12-14 05:39:29,591 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3095 3131) the Hoare annotation is: true [2022-12-14 05:39:29,591 INFO L895 garLoopResultBuilder]: At program point L3112(line 3112) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-12-14 05:39:29,591 INFO L895 garLoopResultBuilder]: At program point L3112-1(line 3112) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-12-14 05:39:29,591 INFO L902 garLoopResultBuilder]: At program point L3108(line 3108) the Hoare annotation is: true [2022-12-14 05:39:29,591 INFO L899 garLoopResultBuilder]: For program point L3106(line 3106) no Hoare annotation was computed. [2022-12-14 05:39:29,591 INFO L899 garLoopResultBuilder]: For program point L3108-1(line 3108) no Hoare annotation was computed. [2022-12-14 05:39:29,591 INFO L899 garLoopResultBuilder]: For program point L3104(line 3104) no Hoare annotation was computed. [2022-12-14 05:39:29,591 INFO L899 garLoopResultBuilder]: For program point L3121-1(line 3121) no Hoare annotation was computed. [2022-12-14 05:39:29,591 INFO L895 garLoopResultBuilder]: At program point L3121(line 3121) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-12-14 05:39:29,591 INFO L899 garLoopResultBuilder]: For program point L3117-1(line 3117) no Hoare annotation was computed. [2022-12-14 05:39:29,591 INFO L895 garLoopResultBuilder]: At program point L3117(line 3117) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-12-14 05:39:29,591 INFO L899 garLoopResultBuilder]: For program point L3115(line 3115) no Hoare annotation was computed. [2022-12-14 05:39:29,592 INFO L895 garLoopResultBuilder]: At program point L3113(line 3113) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-12-14 05:39:29,592 INFO L899 garLoopResultBuilder]: For program point pt_commandEXIT(lines 3095 3131) no Hoare annotation was computed. [2022-12-14 05:39:29,592 INFO L899 garLoopResultBuilder]: For program point L3107(lines 3107 3111) no Hoare annotation was computed. [2022-12-14 05:39:29,592 INFO L899 garLoopResultBuilder]: For program point pt_waitEXIT(lines 3048 3094) no Hoare annotation was computed. [2022-12-14 05:39:29,592 INFO L899 garLoopResultBuilder]: For program point L3064(lines 3064 3074) no Hoare annotation was computed. [2022-12-14 05:39:29,592 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3048 3094) the Hoare annotation is: true [2022-12-14 05:39:29,592 INFO L899 garLoopResultBuilder]: For program point L3079-1(line 3079) no Hoare annotation was computed. [2022-12-14 05:39:29,592 INFO L902 garLoopResultBuilder]: At program point L3079(line 3079) the Hoare annotation is: true [2022-12-14 05:39:29,592 INFO L899 garLoopResultBuilder]: For program point L3077-1(line 3077) no Hoare annotation was computed. [2022-12-14 05:39:29,592 INFO L902 garLoopResultBuilder]: At program point L3077(line 3077) the Hoare annotation is: true [2022-12-14 05:39:29,592 INFO L902 garLoopResultBuilder]: At program point $Ultimate##6(lines 3076 3091) the Hoare annotation is: true [2022-12-14 05:39:29,592 INFO L899 garLoopResultBuilder]: For program point L3067(lines 3067 3071) no Hoare annotation was computed. [2022-12-14 05:39:29,592 INFO L899 garLoopResultBuilder]: For program point L3063(line 3063) no Hoare annotation was computed. [2022-12-14 05:39:29,592 INFO L902 garLoopResultBuilder]: At program point L3061(lines 3056 3093) the Hoare annotation is: true [2022-12-14 05:39:29,592 INFO L899 garLoopResultBuilder]: For program point pt_waitFINAL(lines 3048 3094) no Hoare annotation was computed. [2022-12-14 05:39:29,592 INFO L899 garLoopResultBuilder]: For program point L3084-1(lines 3084 3088) no Hoare annotation was computed. [2022-12-14 05:39:29,592 INFO L899 garLoopResultBuilder]: For program point L3080(lines 3080 3083) no Hoare annotation was computed. [2022-12-14 05:39:29,593 INFO L902 garLoopResultBuilder]: At program point L3078(line 3078) the Hoare annotation is: true [2022-12-14 05:39:29,593 INFO L899 garLoopResultBuilder]: For program point L3080-2(lines 3076 3090) no Hoare annotation was computed. [2022-12-14 05:39:29,593 INFO L902 garLoopResultBuilder]: At program point ldv_22765(lines 3056 3093) the Hoare annotation is: true [2022-12-14 05:39:29,593 INFO L899 garLoopResultBuilder]: For program point L3078-1(line 3078) no Hoare annotation was computed. [2022-12-14 05:39:29,593 INFO L899 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 5115 5117) no Hoare annotation was computed. [2022-12-14 05:39:29,593 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5115 5117) the Hoare annotation is: true [2022-12-14 05:39:29,593 INFO L899 garLoopResultBuilder]: For program point mutex_unlockFINAL(lines 5115 5117) no Hoare annotation was computed. [2022-12-14 05:39:29,593 INFO L899 garLoopResultBuilder]: For program point L4156(lines 4156 4161) no Hoare annotation was computed. [2022-12-14 05:39:29,593 INFO L899 garLoopResultBuilder]: For program point L4090(lines 4090 4093) no Hoare annotation was computed. [2022-12-14 05:39:29,593 INFO L899 garLoopResultBuilder]: For program point L4214(line 4214) no Hoare annotation was computed. [2022-12-14 05:39:29,593 INFO L899 garLoopResultBuilder]: For program point L4190(lines 4190 4193) no Hoare annotation was computed. [2022-12-14 05:39:29,593 INFO L902 garLoopResultBuilder]: At program point L4157-1(line 4157) the Hoare annotation is: true [2022-12-14 05:39:29,593 INFO L899 garLoopResultBuilder]: For program point L4190-2(lines 4190 4193) no Hoare annotation was computed. [2022-12-14 05:39:29,593 INFO L902 garLoopResultBuilder]: At program point L4157(line 4157) the Hoare annotation is: true [2022-12-14 05:39:29,593 INFO L899 garLoopResultBuilder]: For program point L4215(lines 4215 4218) no Hoare annotation was computed. [2022-12-14 05:39:29,593 INFO L902 garLoopResultBuilder]: At program point L4174(line 4174) the Hoare annotation is: true [2022-12-14 05:39:29,593 INFO L899 garLoopResultBuilder]: For program point L4174-1(line 4174) no Hoare annotation was computed. [2022-12-14 05:39:29,594 INFO L899 garLoopResultBuilder]: For program point L4166(line 4166) no Hoare annotation was computed. [2022-12-14 05:39:29,594 INFO L902 garLoopResultBuilder]: At program point $Ultimate##25(lines 4150 4154) the Hoare annotation is: true [2022-12-14 05:39:29,594 INFO L895 garLoopResultBuilder]: At program point L4133(lines 4129 4143) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 (_ bv1 32))) (not (= ~ldv_retval_pt_init~0 (_ bv0 32))) (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32))) (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32))) (not (= ~disable~0 (_ bv0 32)))) [2022-12-14 05:39:29,594 INFO L902 garLoopResultBuilder]: At program point $Ultimate##23(lines 4144 4148) the Hoare annotation is: true [2022-12-14 05:39:29,594 INFO L899 garLoopResultBuilder]: For program point L4158(line 4158) no Hoare annotation was computed. [2022-12-14 05:39:29,594 INFO L902 garLoopResultBuilder]: At program point L4150-1(lines 4150 4154) the Hoare annotation is: true [2022-12-14 05:39:29,594 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4055 4228) the Hoare annotation is: true [2022-12-14 05:39:29,594 INFO L899 garLoopResultBuilder]: For program point L4167(lines 4167 4170) no Hoare annotation was computed. [2022-12-14 05:39:29,594 INFO L899 garLoopResultBuilder]: For program point pt_writeFINAL(lines 4055 4228) no Hoare annotation was computed. [2022-12-14 05:39:29,594 INFO L902 garLoopResultBuilder]: At program point L4126(line 4126) the Hoare annotation is: true [2022-12-14 05:39:29,594 INFO L899 garLoopResultBuilder]: For program point L4126-1(line 4126) no Hoare annotation was computed. [2022-12-14 05:39:29,594 INFO L899 garLoopResultBuilder]: For program point pt_writeEXIT(lines 4055 4228) no Hoare annotation was computed. [2022-12-14 05:39:29,594 INFO L899 garLoopResultBuilder]: For program point L4176(lines 4176 4181) no Hoare annotation was computed. [2022-12-14 05:39:29,594 INFO L899 garLoopResultBuilder]: For program point L4102(lines 4102 4105) no Hoare annotation was computed. [2022-12-14 05:39:29,594 INFO L902 garLoopResultBuilder]: At program point L4201(line 4201) the Hoare annotation is: true [2022-12-14 05:39:29,595 INFO L899 garLoopResultBuilder]: For program point L4201-1(line 4201) no Hoare annotation was computed. [2022-12-14 05:39:29,595 INFO L899 garLoopResultBuilder]: For program point L4094(lines 4094 4105) no Hoare annotation was computed. [2022-12-14 05:39:29,595 INFO L902 garLoopResultBuilder]: At program point L4127(lines 4127 4143) the Hoare annotation is: true [2022-12-14 05:39:29,595 INFO L899 garLoopResultBuilder]: For program point L4094-2(lines 4094 4105) no Hoare annotation was computed. [2022-12-14 05:39:29,595 INFO L902 garLoopResultBuilder]: At program point ldv_22991(lines 4075 4227) the Hoare annotation is: true [2022-12-14 05:39:29,595 INFO L899 garLoopResultBuilder]: For program point L4185(lines 4185 4188) no Hoare annotation was computed. [2022-12-14 05:39:29,595 INFO L899 garLoopResultBuilder]: For program point L4119(lines 4119 4122) no Hoare annotation was computed. [2022-12-14 05:39:29,595 INFO L899 garLoopResultBuilder]: For program point L4185-2(lines 4185 4188) no Hoare annotation was computed. [2022-12-14 05:39:29,595 INFO L899 garLoopResultBuilder]: For program point L4119-2(lines 4119 4122) no Hoare annotation was computed. [2022-12-14 05:39:29,595 INFO L899 garLoopResultBuilder]: For program point L4177-1(line 4177) no Hoare annotation was computed. [2022-12-14 05:39:29,595 INFO L902 garLoopResultBuilder]: At program point L4177(line 4177) the Hoare annotation is: true [2022-12-14 05:39:29,595 INFO L902 garLoopResultBuilder]: At program point ldv_22992(lines 4075 4227) the Hoare annotation is: true [2022-12-14 05:39:29,595 INFO L902 garLoopResultBuilder]: At program point ldv_22996(lines 4075 4227) the Hoare annotation is: true [2022-12-14 05:39:29,595 INFO L902 garLoopResultBuilder]: At program point ldv_22997(lines 4075 4227) the Hoare annotation is: true [2022-12-14 05:39:29,595 INFO L902 garLoopResultBuilder]: At program point L4194(lines 4194 4195) the Hoare annotation is: true [2022-12-14 05:39:29,595 INFO L899 garLoopResultBuilder]: For program point L4194-1(lines 4194 4195) no Hoare annotation was computed. [2022-12-14 05:39:29,595 INFO L899 garLoopResultBuilder]: For program point L4145-1(line 4145) no Hoare annotation was computed. [2022-12-14 05:39:29,596 INFO L902 garLoopResultBuilder]: At program point L4145(line 4145) the Hoare annotation is: true [2022-12-14 05:39:29,596 INFO L899 garLoopResultBuilder]: For program point L4137(lines 4137 4141) no Hoare annotation was computed. [2022-12-14 05:39:29,596 INFO L899 garLoopResultBuilder]: For program point L4162(lines 4162 4165) no Hoare annotation was computed. [2022-12-14 05:39:29,596 INFO L895 garLoopResultBuilder]: At program point ldv_22988(lines 4129 4143) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 (_ bv1 32))) (not (= ~ldv_retval_pt_init~0 (_ bv0 32))) (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32))) (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32))) (not (= ~disable~0 (_ bv0 32)))) [2022-12-14 05:39:29,596 INFO L902 garLoopResultBuilder]: At program point L4096(line 4096) the Hoare annotation is: true [2022-12-14 05:39:29,596 INFO L902 garLoopResultBuilder]: At program point L4162-2(lines 4162 4165) the Hoare annotation is: true [2022-12-14 05:39:29,596 INFO L899 garLoopResultBuilder]: For program point L4096-1(line 4096) no Hoare annotation was computed. [2022-12-14 05:39:29,596 INFO L899 garLoopResultBuilder]: For program point L4113(line 4113) no Hoare annotation was computed. [2022-12-14 05:39:29,596 INFO L899 garLoopResultBuilder]: For program point L4171-1(line 4171) no Hoare annotation was computed. [2022-12-14 05:39:29,596 INFO L902 garLoopResultBuilder]: At program point L4171(line 4171) the Hoare annotation is: true [2022-12-14 05:39:29,596 INFO L899 garLoopResultBuilder]: For program point L4196(lines 4196 4200) no Hoare annotation was computed. [2022-12-14 05:39:29,596 INFO L899 garLoopResultBuilder]: For program point L4097(lines 4097 4100) no Hoare annotation was computed. [2022-12-14 05:39:29,596 INFO L899 garLoopResultBuilder]: For program point L4155(line 4155) no Hoare annotation was computed. [2022-12-14 05:39:29,596 INFO L899 garLoopResultBuilder]: For program point L4114(lines 4114 4117) no Hoare annotation was computed. [2022-12-14 05:39:29,596 INFO L902 garLoopResultBuilder]: At program point $Ultimate##49(lines 4220 4224) the Hoare annotation is: true [2022-12-14 05:39:29,596 INFO L902 garLoopResultBuilder]: At program point L4172(line 4172) the Hoare annotation is: true [2022-12-14 05:39:29,597 INFO L899 garLoopResultBuilder]: For program point L4106(lines 4106 4109) no Hoare annotation was computed. [2022-12-14 05:39:29,597 INFO L899 garLoopResultBuilder]: For program point L4172-1(line 4172) no Hoare annotation was computed. [2022-12-14 05:39:29,597 INFO L899 garLoopResultBuilder]: For program point L4197-1(line 4197) no Hoare annotation was computed. [2022-12-14 05:39:29,597 INFO L902 garLoopResultBuilder]: At program point L4197(line 4197) the Hoare annotation is: true [2022-12-14 05:39:29,597 INFO L902 garLoopResultBuilder]: At program point $Ultimate##45(lines 4206 4210) the Hoare annotation is: true [2022-12-14 05:39:29,597 INFO L899 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 4614 4619) no Hoare annotation was computed. [2022-12-14 05:39:29,597 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 4614 4619) the Hoare annotation is: true [2022-12-14 05:39:29,597 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4617) no Hoare annotation was computed. [2022-12-14 05:39:29,597 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 4614 4619) no Hoare annotation was computed. [2022-12-14 05:39:29,597 INFO L899 garLoopResultBuilder]: For program point pi_connectEXIT(lines 5118 5120) no Hoare annotation was computed. [2022-12-14 05:39:29,597 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5118 5120) the Hoare annotation is: true [2022-12-14 05:39:29,597 INFO L899 garLoopResultBuilder]: For program point pi_connectFINAL(lines 5118 5120) no Hoare annotation was computed. [2022-12-14 05:39:29,597 INFO L899 garLoopResultBuilder]: For program point device_destroyFINAL(lines 5102 5104) no Hoare annotation was computed. [2022-12-14 05:39:29,597 INFO L899 garLoopResultBuilder]: For program point device_destroyEXIT(lines 5102 5104) no Hoare annotation was computed. [2022-12-14 05:39:29,597 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5102 5104) the Hoare annotation is: true [2022-12-14 05:39:29,597 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectFINAL(lines 4621 4626) no Hoare annotation was computed. [2022-12-14 05:39:29,597 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4621 4626) the Hoare annotation is: true [2022-12-14 05:39:29,597 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 4621 4626) no Hoare annotation was computed. [2022-12-14 05:39:29,598 INFO L899 garLoopResultBuilder]: For program point L3681-1(line 3681) no Hoare annotation was computed. [2022-12-14 05:39:29,598 INFO L902 garLoopResultBuilder]: At program point L3681(line 3681) the Hoare annotation is: true [2022-12-14 05:39:29,598 INFO L902 garLoopResultBuilder]: At program point L3673(lines 3662 3680) the Hoare annotation is: true [2022-12-14 05:39:29,598 INFO L899 garLoopResultBuilder]: For program point L3667(lines 3667 3671) no Hoare annotation was computed. [2022-12-14 05:39:29,598 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3656 3690) the Hoare annotation is: true [2022-12-14 05:39:29,598 INFO L899 garLoopResultBuilder]: For program point L3682(lines 3682 3686) no Hoare annotation was computed. [2022-12-14 05:39:29,598 INFO L899 garLoopResultBuilder]: For program point L3674(lines 3674 3678) no Hoare annotation was computed. [2022-12-14 05:39:29,598 INFO L899 garLoopResultBuilder]: For program point pt_probeEXIT(lines 3656 3690) no Hoare annotation was computed. [2022-12-14 05:39:29,598 INFO L902 garLoopResultBuilder]: At program point L3668(line 3668) the Hoare annotation is: true [2022-12-14 05:39:29,598 INFO L899 garLoopResultBuilder]: For program point L3666(line 3666) no Hoare annotation was computed. [2022-12-14 05:39:29,598 INFO L899 garLoopResultBuilder]: For program point L3668-1(line 3668) no Hoare annotation was computed. [2022-12-14 05:39:29,598 INFO L902 garLoopResultBuilder]: At program point ldv_22902(lines 3662 3680) the Hoare annotation is: true [2022-12-14 05:39:29,598 INFO L899 garLoopResultBuilder]: For program point L3662(lines 3662 3687) no Hoare annotation was computed. [2022-12-14 05:39:29,598 INFO L902 garLoopResultBuilder]: At program point L3662-1(lines 3662 3687) the Hoare annotation is: true [2022-12-14 05:39:29,598 INFO L899 garLoopResultBuilder]: For program point pt_probeFINAL(lines 3656 3690) no Hoare annotation was computed. [2022-12-14 05:39:29,598 INFO L899 garLoopResultBuilder]: For program point L3683-1(line 3683) no Hoare annotation was computed. [2022-12-14 05:39:29,598 INFO L902 garLoopResultBuilder]: At program point L3683(line 3683) the Hoare annotation is: true [2022-12-14 05:39:29,598 INFO L902 garLoopResultBuilder]: At program point L3342(line 3342) the Hoare annotation is: true [2022-12-14 05:39:29,599 INFO L899 garLoopResultBuilder]: For program point L3342-1(line 3342) no Hoare annotation was computed. [2022-12-14 05:39:29,599 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3327 3345) the Hoare annotation is: true [2022-12-14 05:39:29,599 INFO L899 garLoopResultBuilder]: For program point pt_rewindEXIT(lines 3327 3345) no Hoare annotation was computed. [2022-12-14 05:39:29,599 INFO L899 garLoopResultBuilder]: For program point pt_rewindFINAL(lines 3327 3345) no Hoare annotation was computed. [2022-12-14 05:39:29,599 INFO L902 garLoopResultBuilder]: At program point L3233(lines 3233 3249) the Hoare annotation is: true [2022-12-14 05:39:29,599 INFO L899 garLoopResultBuilder]: For program point L3254(lines 3254 3257) no Hoare annotation was computed. [2022-12-14 05:39:29,599 INFO L899 garLoopResultBuilder]: For program point L3250-1(lines 3231 3259) no Hoare annotation was computed. [2022-12-14 05:39:29,599 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3227 3260) the Hoare annotation is: true [2022-12-14 05:39:29,599 INFO L902 garLoopResultBuilder]: At program point L3232(line 3232) the Hoare annotation is: true [2022-12-14 05:39:29,599 INFO L899 garLoopResultBuilder]: For program point L3232-1(line 3232) no Hoare annotation was computed. [2022-12-14 05:39:29,599 INFO L902 garLoopResultBuilder]: At program point $Ultimate##7(lines 3250 3253) the Hoare annotation is: true [2022-12-14 05:39:29,599 INFO L895 garLoopResultBuilder]: At program point L3255(line 3255) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (not (= pt_atapi_~r~3 (_ bv0 32)))) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-12-14 05:39:29,599 INFO L899 garLoopResultBuilder]: For program point L3251-1(line 3251) no Hoare annotation was computed. [2022-12-14 05:39:29,599 INFO L902 garLoopResultBuilder]: At program point L3251(line 3251) the Hoare annotation is: true [2022-12-14 05:39:29,599 INFO L895 garLoopResultBuilder]: At program point ldv_22805(lines 3235 3249) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse2 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse4 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse3 .cse4))) [2022-12-14 05:39:29,599 INFO L899 garLoopResultBuilder]: For program point pt_atapiEXIT(lines 3227 3260) no Hoare annotation was computed. [2022-12-14 05:39:29,599 INFO L899 garLoopResultBuilder]: For program point L3243(lines 3243 3247) no Hoare annotation was computed. [2022-12-14 05:39:29,600 INFO L899 garLoopResultBuilder]: For program point pt_atapiFINAL(lines 3227 3260) no Hoare annotation was computed. [2022-12-14 05:39:29,600 INFO L895 garLoopResultBuilder]: At program point L3239(lines 3235 3249) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse2 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse4 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse3 .cse4))) [2022-12-14 05:39:29,600 INFO L899 garLoopResultBuilder]: For program point L3287-1(line 3287) no Hoare annotation was computed. [2022-12-14 05:39:29,600 INFO L902 garLoopResultBuilder]: At program point L3287(line 3287) the Hoare annotation is: true [2022-12-14 05:39:29,600 INFO L902 garLoopResultBuilder]: At program point L3285-1(line 3285) the Hoare annotation is: true [2022-12-14 05:39:29,600 INFO L902 garLoopResultBuilder]: At program point L3285(line 3285) the Hoare annotation is: true [2022-12-14 05:39:29,600 INFO L902 garLoopResultBuilder]: At program point L3283-1(line 3283) the Hoare annotation is: true [2022-12-14 05:39:29,600 INFO L902 garLoopResultBuilder]: At program point L3283(line 3283) the Hoare annotation is: true [2022-12-14 05:39:29,600 INFO L899 garLoopResultBuilder]: For program point L3281(line 3281) no Hoare annotation was computed. [2022-12-14 05:39:29,600 INFO L899 garLoopResultBuilder]: For program point pt_poll_dscEXIT(lines 3268 3312) no Hoare annotation was computed. [2022-12-14 05:39:29,600 INFO L899 garLoopResultBuilder]: For program point L3306(line 3306) no Hoare annotation was computed. [2022-12-14 05:39:29,600 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3268 3312) the Hoare annotation is: true [2022-12-14 05:39:29,600 INFO L902 garLoopResultBuilder]: At program point $Ultimate##4(lines 3294 3298) the Hoare annotation is: true [2022-12-14 05:39:29,600 INFO L902 garLoopResultBuilder]: At program point $Ultimate##6(lines 3300 3309) the Hoare annotation is: true [2022-12-14 05:39:29,600 INFO L902 garLoopResultBuilder]: At program point L3288(line 3288) the Hoare annotation is: true [2022-12-14 05:39:29,600 INFO L899 garLoopResultBuilder]: For program point pt_poll_dscFINAL(lines 3268 3312) no Hoare annotation was computed. [2022-12-14 05:39:29,600 INFO L899 garLoopResultBuilder]: For program point L3286(line 3286) no Hoare annotation was computed. [2022-12-14 05:39:29,600 INFO L899 garLoopResultBuilder]: For program point L3288-1(lines 3274 3311) no Hoare annotation was computed. [2022-12-14 05:39:29,600 INFO L899 garLoopResultBuilder]: For program point L3284(line 3284) no Hoare annotation was computed. [2022-12-14 05:39:29,601 INFO L899 garLoopResultBuilder]: For program point L3301(lines 3301 3305) no Hoare annotation was computed. [2022-12-14 05:39:29,601 INFO L902 garLoopResultBuilder]: At program point ldv_22822(lines 3274 3311) the Hoare annotation is: true [2022-12-14 05:39:29,601 INFO L902 garLoopResultBuilder]: At program point L3301-2(lines 3301 3305) the Hoare annotation is: true [2022-12-14 05:39:29,601 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_unlock_pt_mutexFINAL(lines 5032 5042) no Hoare annotation was computed. [2022-12-14 05:39:29,601 INFO L899 garLoopResultBuilder]: For program point L5035(lines 5035 5038) no Hoare annotation was computed. [2022-12-14 05:39:29,601 INFO L895 garLoopResultBuilder]: At program point L5037(line 5037) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 (_ bv1 32))) (not (= ~ldv_retval_pt_init~0 (_ bv0 32))) (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32))) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32))) (not (= (_ bv2 32) |old(~ldv_mutex_pt_mutex~0)|)) (not (= ~disable~0 (_ bv0 32)))) [2022-12-14 05:39:29,601 INFO L899 garLoopResultBuilder]: For program point L5037-1(lines 5035 5038) no Hoare annotation was computed. [2022-12-14 05:39:29,601 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 5032 5042) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 (_ bv1 32))) (not (= ~ldv_retval_pt_init~0 (_ bv0 32))) (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32))) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32))) (not (= (_ bv2 32) |old(~ldv_mutex_pt_mutex~0)|)) (not (= ~disable~0 (_ bv0 32)))) [2022-12-14 05:39:29,601 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_unlock_pt_mutexEXIT(lines 5032 5042) no Hoare annotation was computed. [2022-12-14 05:39:29,601 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3531 3550) the Hoare annotation is: true [2022-12-14 05:39:29,601 INFO L902 garLoopResultBuilder]: At program point ldv_22884(lines 3534 3549) the Hoare annotation is: true [2022-12-14 05:39:29,601 INFO L899 garLoopResultBuilder]: For program point xnEXIT(lines 3531 3550) no Hoare annotation was computed. [2022-12-14 05:39:29,601 INFO L902 garLoopResultBuilder]: At program point ldv_22886(lines 3534 3549) the Hoare annotation is: true [2022-12-14 05:39:29,601 INFO L902 garLoopResultBuilder]: At program point $Ultimate##2(lines 3542 3546) the Hoare annotation is: true [2022-12-14 05:39:29,601 INFO L899 garLoopResultBuilder]: For program point xnFINAL(lines 3531 3550) no Hoare annotation was computed. [2022-12-14 05:39:29,601 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5108 5110) the Hoare annotation is: true [2022-12-14 05:39:29,601 INFO L899 garLoopResultBuilder]: For program point mutex_lockFINAL(lines 5108 5110) no Hoare annotation was computed. [2022-12-14 05:39:29,601 INFO L899 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 5108 5110) no Hoare annotation was computed. [2022-12-14 05:39:29,602 INFO L899 garLoopResultBuilder]: For program point _copy_from_userEXIT(lines 5089 5091) no Hoare annotation was computed. [2022-12-14 05:39:29,602 INFO L899 garLoopResultBuilder]: For program point _copy_from_userFINAL(lines 5089 5091) no Hoare annotation was computed. [2022-12-14 05:39:29,602 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5089 5091) the Hoare annotation is: true [2022-12-14 05:39:29,602 INFO L895 garLoopResultBuilder]: At program point ldv_22793(lines 3195 3209) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse2 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse4 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse3 .cse4))) [2022-12-14 05:39:29,602 INFO L902 garLoopResultBuilder]: At program point L3192(line 3192) the Hoare annotation is: true [2022-12-14 05:39:29,602 INFO L899 garLoopResultBuilder]: For program point L3192-1(line 3192) no Hoare annotation was computed. [2022-12-14 05:39:29,602 INFO L899 garLoopResultBuilder]: For program point L3215(lines 3215 3223) no Hoare annotation was computed. [2022-12-14 05:39:29,602 INFO L899 garLoopResultBuilder]: For program point L3215-2(lines 3215 3223) no Hoare annotation was computed. [2022-12-14 05:39:29,602 INFO L899 garLoopResultBuilder]: For program point L3211-1(line 3211) no Hoare annotation was computed. [2022-12-14 05:39:29,602 INFO L902 garLoopResultBuilder]: At program point L3211(line 3211) the Hoare annotation is: true [2022-12-14 05:39:29,602 INFO L899 garLoopResultBuilder]: For program point pt_req_senseEXIT(lines 3173 3226) no Hoare annotation was computed. [2022-12-14 05:39:29,602 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3173 3226) the Hoare annotation is: true [2022-12-14 05:39:29,602 INFO L899 garLoopResultBuilder]: For program point L3203(lines 3203 3207) no Hoare annotation was computed. [2022-12-14 05:39:29,602 INFO L895 garLoopResultBuilder]: At program point L3199(lines 3195 3209) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse2 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse4 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse3 .cse4))) [2022-12-14 05:39:29,602 INFO L902 garLoopResultBuilder]: At program point $Ultimate##7(lines 3210 3213) the Hoare annotation is: true [2022-12-14 05:39:29,602 INFO L902 garLoopResultBuilder]: At program point L3193(lines 3193 3209) the Hoare annotation is: true [2022-12-14 05:39:29,602 INFO L899 garLoopResultBuilder]: For program point L3216(lines 3216 3220) no Hoare annotation was computed. [2022-12-14 05:39:29,602 INFO L899 garLoopResultBuilder]: For program point L3216-2(lines 3216 3220) no Hoare annotation was computed. [2022-12-14 05:39:29,603 INFO L899 garLoopResultBuilder]: For program point pt_req_senseFINAL(lines 3173 3226) no Hoare annotation was computed. [2022-12-14 05:39:29,603 INFO L899 garLoopResultBuilder]: For program point L3210-1(lines 3210 3213) no Hoare annotation was computed. [2022-12-14 05:39:29,603 INFO L899 garLoopResultBuilder]: For program point L5056(lines 5056 5059) no Hoare annotation was computed. [2022-12-14 05:39:29,603 INFO L899 garLoopResultBuilder]: For program point L3834(lines 3834 3858) no Hoare annotation was computed. [2022-12-14 05:39:29,603 INFO L899 garLoopResultBuilder]: For program point L3867(lines 3867 3870) no Hoare annotation was computed. [2022-12-14 05:39:29,603 INFO L895 garLoopResultBuilder]: At program point ldv_initialize_returnLabel#1(lines 5043 5052) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,603 INFO L899 garLoopResultBuilder]: For program point L4429(lines 4429 4455) no Hoare annotation was computed. [2022-12-14 05:39:29,603 INFO L895 garLoopResultBuilder]: At program point __class_create_returnLabel#1(lines 5075 5077) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,603 INFO L899 garLoopResultBuilder]: For program point L5156(lines 5156 5158) no Hoare annotation was computed. [2022-12-14 05:39:29,603 INFO L895 garLoopResultBuilder]: At program point L4000(line 4000) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,603 INFO L899 garLoopResultBuilder]: For program point L4000-1(line 4000) no Hoare annotation was computed. [2022-12-14 05:39:29,603 INFO L899 garLoopResultBuilder]: For program point L3835(line 3835) no Hoare annotation was computed. [2022-12-14 05:39:29,603 INFO L895 garLoopResultBuilder]: At program point L3736(lines 3701 3767) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (bvsle |ULTIMATE.start_pt_detect_~unit~0#1| (_ bv3 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,603 INFO L899 garLoopResultBuilder]: For program point L3835-2(line 3835) no Hoare annotation was computed. [2022-12-14 05:39:29,603 INFO L899 garLoopResultBuilder]: For program point L4430(line 4430) no Hoare annotation was computed. [2022-12-14 05:39:29,603 INFO L895 garLoopResultBuilder]: At program point L5058(line 5058) the Hoare annotation is: false [2022-12-14 05:39:29,603 INFO L899 garLoopResultBuilder]: For program point L5058-1(lines 5055 5073) no Hoare annotation was computed. [2022-12-14 05:39:29,604 INFO L895 garLoopResultBuilder]: At program point L3836(line 3836) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,604 INFO L899 garLoopResultBuilder]: For program point L3836-1(line 3836) no Hoare annotation was computed. [2022-12-14 05:39:29,604 INFO L895 garLoopResultBuilder]: At program point atomic_read_returnLabel#1(lines 2811 2816) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,604 INFO L899 garLoopResultBuilder]: For program point L4431(lines 4431 4436) no Hoare annotation was computed. [2022-12-14 05:39:29,604 INFO L895 garLoopResultBuilder]: At program point pt_init_out_chrdev#1(lines 4237 4302) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,604 INFO L895 garLoopResultBuilder]: At program point kmalloc_returnLabel#1(lines 2940 2946) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,604 INFO L895 garLoopResultBuilder]: At program point L4299(lines 4237 4302) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,604 INFO L899 garLoopResultBuilder]: For program point L4002(lines 4002 4007) no Hoare annotation was computed. [2022-12-14 05:39:29,604 INFO L895 garLoopResultBuilder]: At program point L3804(line 3804) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,604 INFO L899 garLoopResultBuilder]: For program point L3837(lines 3837 3840) no Hoare annotation was computed. [2022-12-14 05:39:29,604 INFO L899 garLoopResultBuilder]: For program point L3804-1(line 3804) no Hoare annotation was computed. [2022-12-14 05:39:29,604 INFO L895 garLoopResultBuilder]: At program point atomic_set_returnLabel#1(lines 2817 2823) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (bvsle |ULTIMATE.start_pt_detect_~unit~0#1| (_ bv3 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,604 INFO L895 garLoopResultBuilder]: At program point __kmalloc_returnLabel#1(lines 2935 2938) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,604 INFO L899 garLoopResultBuilder]: For program point L4003-1(line 4003) no Hoare annotation was computed. [2022-12-14 05:39:29,604 INFO L895 garLoopResultBuilder]: At program point L4003(line 4003) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,604 INFO L899 garLoopResultBuilder]: For program point L3871-1(lines 3871 3874) no Hoare annotation was computed. [2022-12-14 05:39:29,604 INFO L899 garLoopResultBuilder]: For program point L3871(lines 3871 3874) no Hoare annotation was computed. [2022-12-14 05:39:29,605 INFO L899 garLoopResultBuilder]: For program point L3805(lines 3805 3808) no Hoare annotation was computed. [2022-12-14 05:39:29,605 INFO L899 garLoopResultBuilder]: For program point L3805-2(lines 3805 3808) no Hoare annotation was computed. [2022-12-14 05:39:29,605 INFO L895 garLoopResultBuilder]: At program point pt_exit_ldv_23020#1(lines 4306 4341) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,605 INFO L895 garLoopResultBuilder]: At program point L4565(line 4565) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,605 INFO L895 garLoopResultBuilder]: At program point L4565-1(line 4565) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,605 INFO L895 garLoopResultBuilder]: At program point L4367(lines 4362 4468) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,605 INFO L899 garLoopResultBuilder]: For program point L4400(line 4400) no Hoare annotation was computed. [2022-12-14 05:39:29,605 INFO L895 garLoopResultBuilder]: At program point pt_read_ldv_22960#1(lines 3955 3969) the Hoare annotation is: false [2022-12-14 05:39:29,605 INFO L899 garLoopResultBuilder]: For program point L3971-1(line 3971) no Hoare annotation was computed. [2022-12-14 05:39:29,605 INFO L895 garLoopResultBuilder]: At program point L3971(line 3971) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,605 INFO L895 garLoopResultBuilder]: At program point L3872(line 3872) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,605 INFO L895 garLoopResultBuilder]: At program point L4566(lines 4562 4569) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,605 INFO L895 garLoopResultBuilder]: At program point L4533(line 4533) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,605 INFO L895 garLoopResultBuilder]: At program point L4533-1(line 4533) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,605 INFO L899 garLoopResultBuilder]: For program point L4401-2(lines 4373 4421) no Hoare annotation was computed. [2022-12-14 05:39:29,605 INFO L899 garLoopResultBuilder]: For program point L4401(lines 4401 4405) no Hoare annotation was computed. [2022-12-14 05:39:29,605 INFO L895 garLoopResultBuilder]: At program point L5062(line 5062) the Hoare annotation is: false [2022-12-14 05:39:29,606 INFO L899 garLoopResultBuilder]: For program point L5062-1(lines 5055 5073) no Hoare annotation was computed. [2022-12-14 05:39:29,606 INFO L899 garLoopResultBuilder]: For program point L3939(line 3939) no Hoare annotation was computed. [2022-12-14 05:39:29,606 INFO L895 garLoopResultBuilder]: At program point L4534(lines 4530 4537) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,606 INFO L895 garLoopResultBuilder]: At program point pt_exit_ldv_23021#1(lines 4306 4341) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,606 INFO L895 garLoopResultBuilder]: At program point L4402(line 4402) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,606 INFO L899 garLoopResultBuilder]: For program point L4402-1(line 4402) no Hoare annotation was computed. [2022-12-14 05:39:29,606 INFO L899 garLoopResultBuilder]: For program point L4369(lines 4369 4462) no Hoare annotation was computed. [2022-12-14 05:39:29,606 INFO L899 garLoopResultBuilder]: For program point L3940(lines 3940 3943) no Hoare annotation was computed. [2022-12-14 05:39:29,606 INFO L895 garLoopResultBuilder]: At program point pt_detect_returnLabel#1(lines 3691 3768) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,606 INFO L899 garLoopResultBuilder]: For program point L3841(lines 3841 3855) no Hoare annotation was computed. [2022-12-14 05:39:29,606 INFO L899 garLoopResultBuilder]: For program point L4370(line 4370) no Hoare annotation was computed. [2022-12-14 05:39:29,606 INFO L895 garLoopResultBuilder]: At program point pt_open_out#1(lines 3777 3824) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,606 INFO L899 garLoopResultBuilder]: For program point L4238(lines 4238 4242) no Hoare annotation was computed. [2022-12-14 05:39:29,606 INFO L899 garLoopResultBuilder]: For program point L4040(line 4040) no Hoare annotation was computed. [2022-12-14 05:39:29,606 INFO L895 garLoopResultBuilder]: At program point copy_to_user_returnLabel#1(lines 2987 2994) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,606 INFO L899 garLoopResultBuilder]: For program point L3875-1(lines 3875 3878) no Hoare annotation was computed. [2022-12-14 05:39:29,606 INFO L899 garLoopResultBuilder]: For program point L3842(line 3842) no Hoare annotation was computed. [2022-12-14 05:39:29,607 INFO L899 garLoopResultBuilder]: For program point L3875(lines 3875 3878) no Hoare annotation was computed. [2022-12-14 05:39:29,607 INFO L899 garLoopResultBuilder]: For program point L4371(lines 4371 4424) no Hoare annotation was computed. [2022-12-14 05:39:29,607 INFO L895 garLoopResultBuilder]: At program point register_chrdev_returnLabel#1(lines 2893 2900) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,607 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 4358 4469) the Hoare annotation is: true [2022-12-14 05:39:29,607 INFO L899 garLoopResultBuilder]: For program point L4041(lines 4041 4044) no Hoare annotation was computed. [2022-12-14 05:39:29,607 INFO L895 garLoopResultBuilder]: At program point L3876(line 3876) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,607 INFO L899 garLoopResultBuilder]: For program point L4438(line 4438) no Hoare annotation was computed. [2022-12-14 05:39:29,607 INFO L895 garLoopResultBuilder]: At program point L5066(line 5066) the Hoare annotation is: false [2022-12-14 05:39:29,607 INFO L895 garLoopResultBuilder]: At program point _copy_to_user_returnLabel#1(lines 5093 5095) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,607 INFO L899 garLoopResultBuilder]: For program point L5066-1(lines 5055 5073) no Hoare annotation was computed. [2022-12-14 05:39:29,607 INFO L895 garLoopResultBuilder]: At program point L3976-1(lines 3976 3980) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,607 INFO L895 garLoopResultBuilder]: At program point L3844(line 3844) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,607 INFO L895 garLoopResultBuilder]: At program point L3778(line 3778) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,607 INFO L899 garLoopResultBuilder]: For program point L3844-1(line 3844) no Hoare annotation was computed. [2022-12-14 05:39:29,607 INFO L899 garLoopResultBuilder]: For program point L3778-1(line 3778) no Hoare annotation was computed. [2022-12-14 05:39:29,607 INFO L899 garLoopResultBuilder]: For program point L3745(lines 3701 3767) no Hoare annotation was computed. [2022-12-14 05:39:29,607 INFO L899 garLoopResultBuilder]: For program point L4439(lines 4439 4451) no Hoare annotation was computed. [2022-12-14 05:39:29,607 INFO L899 garLoopResultBuilder]: For program point L4274(lines 4274 4279) no Hoare annotation was computed. [2022-12-14 05:39:29,608 INFO L899 garLoopResultBuilder]: For program point L4373(lines 4373 4421) no Hoare annotation was computed. [2022-12-14 05:39:29,608 INFO L899 garLoopResultBuilder]: For program point L3812(lines 3812 3816) no Hoare annotation was computed. [2022-12-14 05:39:29,608 INFO L895 garLoopResultBuilder]: At program point main_ldv_final#1(lines 4362 4468) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,608 INFO L895 garLoopResultBuilder]: At program point L4407(line 4407) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,608 INFO L899 garLoopResultBuilder]: For program point L4374(line 4374) no Hoare annotation was computed. [2022-12-14 05:39:29,608 INFO L895 garLoopResultBuilder]: At program point pt_open_returnLabel#1(lines 3769 3825) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,608 INFO L899 garLoopResultBuilder]: For program point L4407-1(line 4407) no Hoare annotation was computed. [2022-12-14 05:39:29,608 INFO L895 garLoopResultBuilder]: At program point pt_read_returnLabel#1(lines 3885 4054) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,608 INFO L895 garLoopResultBuilder]: At program point pt_exit_returnLabel#1(lines 4304 4342) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,608 INFO L899 garLoopResultBuilder]: For program point L4011(lines 4011 4014) no Hoare annotation was computed. [2022-12-14 05:39:29,608 INFO L899 garLoopResultBuilder]: For program point L3945(lines 3945 3948) no Hoare annotation was computed. [2022-12-14 05:39:29,608 INFO L899 garLoopResultBuilder]: For program point L4011-2(lines 4011 4014) no Hoare annotation was computed. [2022-12-14 05:39:29,608 INFO L899 garLoopResultBuilder]: For program point L3945-2(lines 3945 3948) no Hoare annotation was computed. [2022-12-14 05:39:29,608 INFO L899 garLoopResultBuilder]: For program point L3747-1(lines 3747 3748) no Hoare annotation was computed. [2022-12-14 05:39:29,608 INFO L895 garLoopResultBuilder]: At program point L3747(lines 3747 3748) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= |ULTIMATE.start_pt_detect_~specified~0#1| (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,608 INFO L895 garLoopResultBuilder]: At program point L4573(line 4573) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,608 INFO L895 garLoopResultBuilder]: At program point L4573-1(line 4573) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,609 INFO L899 garLoopResultBuilder]: For program point L4375(lines 4375 4380) no Hoare annotation was computed. [2022-12-14 05:39:29,609 INFO L899 garLoopResultBuilder]: For program point L4441-2(lines 4439 4450) no Hoare annotation was computed. [2022-12-14 05:39:29,609 INFO L899 garLoopResultBuilder]: For program point L4441(lines 4441 4444) no Hoare annotation was computed. [2022-12-14 05:39:29,609 INFO L899 garLoopResultBuilder]: For program point L3847(line 3847) no Hoare annotation was computed. [2022-12-14 05:39:29,609 INFO L895 garLoopResultBuilder]: At program point L4574(lines 4570 4577) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,609 INFO L895 garLoopResultBuilder]: At program point L4541(line 4541) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,609 INFO L895 garLoopResultBuilder]: At program point L4541-1(line 4541) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,609 INFO L899 garLoopResultBuilder]: For program point L4310(lines 4310 4314) no Hoare annotation was computed. [2022-12-14 05:39:29,609 INFO L899 garLoopResultBuilder]: For program point L4310-1(lines 4310 4314) no Hoare annotation was computed. [2022-12-14 05:39:29,609 INFO L899 garLoopResultBuilder]: For program point L4244(lines 4244 4248) no Hoare annotation was computed. [2022-12-14 05:39:29,609 INFO L895 garLoopResultBuilder]: At program point L5070(line 5070) the Hoare annotation is: false [2022-12-14 05:39:29,609 INFO L902 garLoopResultBuilder]: At program point L5070-1(lines 5053 5074) the Hoare annotation is: true [2022-12-14 05:39:29,609 INFO L899 garLoopResultBuilder]: For program point L3881-1(line 3881) no Hoare annotation was computed. [2022-12-14 05:39:29,609 INFO L895 garLoopResultBuilder]: At program point L3881(line 3881) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,609 INFO L899 garLoopResultBuilder]: For program point L3782(line 3782) no Hoare annotation was computed. [2022-12-14 05:39:29,609 INFO L899 garLoopResultBuilder]: For program point L3782-2(lines 3782 3786) no Hoare annotation was computed. [2022-12-14 05:39:29,609 INFO L899 garLoopResultBuilder]: For program point L3749(lines 3749 3758) no Hoare annotation was computed. [2022-12-14 05:39:29,609 INFO L895 garLoopResultBuilder]: At program point L4542(lines 4538 4545) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,610 INFO L895 garLoopResultBuilder]: At program point pt_init_ldv_23005#1(lines 4250 4268) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,610 INFO L895 garLoopResultBuilder]: At program point L4311(line 4311) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,610 INFO L895 garLoopResultBuilder]: At program point L4311-1(line 4311) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,610 INFO L895 garLoopResultBuilder]: At program point L2990(line 2990) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,610 INFO L899 garLoopResultBuilder]: For program point L3981(line 3981) no Hoare annotation was computed. [2022-12-14 05:39:29,610 INFO L899 garLoopResultBuilder]: For program point L2990-1(line 2990) no Hoare annotation was computed. [2022-12-14 05:39:29,610 INFO L899 garLoopResultBuilder]: For program point L3849-1(line 3849) no Hoare annotation was computed. [2022-12-14 05:39:29,610 INFO L895 garLoopResultBuilder]: At program point L3849(line 3849) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,610 INFO L895 garLoopResultBuilder]: At program point L3750(line 3750) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= |ULTIMATE.start_pt_detect_~specified~0#1| (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,610 INFO L895 garLoopResultBuilder]: At program point L3717-1(line 3717) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (bvsle |ULTIMATE.start_pt_detect_~unit~0#1| (_ bv3 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,610 INFO L899 garLoopResultBuilder]: For program point L3750-1(line 3750) no Hoare annotation was computed. [2022-12-14 05:39:29,610 INFO L899 garLoopResultBuilder]: For program point L3982(lines 3982 3987) no Hoare annotation was computed. [2022-12-14 05:39:29,610 INFO L899 garLoopResultBuilder]: For program point L4015-1(line 4015) no Hoare annotation was computed. [2022-12-14 05:39:29,610 INFO L895 garLoopResultBuilder]: At program point L4015(line 4015) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,610 INFO L899 garLoopResultBuilder]: For program point L3718(lines 3718 3721) no Hoare annotation was computed. [2022-12-14 05:39:29,610 INFO L899 garLoopResultBuilder]: For program point L3751(lines 3751 3756) no Hoare annotation was computed. [2022-12-14 05:39:29,610 INFO L899 garLoopResultBuilder]: For program point L4412(line 4412) no Hoare annotation was computed. [2022-12-14 05:39:29,611 INFO L895 garLoopResultBuilder]: At program point ldv_register_chrdev_16_returnLabel#1(lines 4594 4604) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,611 INFO L895 garLoopResultBuilder]: At program point L3983-1(line 3983) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,611 INFO L895 garLoopResultBuilder]: At program point L3983(line 3983) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,611 INFO L895 garLoopResultBuilder]: At program point pt_exit_ldv_23018#1(lines 4306 4341) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,611 INFO L899 garLoopResultBuilder]: For program point L4413(lines 4413 4417) no Hoare annotation was computed. [2022-12-14 05:39:29,611 INFO L895 garLoopResultBuilder]: At program point atomic_dec_and_test_returnLabel#1(lines 2831 2838) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,611 INFO L899 garLoopResultBuilder]: For program point L3984(line 3984) no Hoare annotation was computed. [2022-12-14 05:39:29,611 INFO L899 garLoopResultBuilder]: For program point L3852(line 3852) no Hoare annotation was computed. [2022-12-14 05:39:29,611 INFO L895 garLoopResultBuilder]: At program point class_destroy_returnLabel#1(lines 5096 5098) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,611 INFO L899 garLoopResultBuilder]: For program point L4018(lines 4018 4021) no Hoare annotation was computed. [2022-12-14 05:39:29,611 INFO L895 garLoopResultBuilder]: At program point L3952(line 3952) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,611 INFO L899 garLoopResultBuilder]: For program point L4018-2(lines 4018 4021) no Hoare annotation was computed. [2022-12-14 05:39:29,611 INFO L899 garLoopResultBuilder]: For program point L3952-1(line 3952) no Hoare annotation was computed. [2022-12-14 05:39:29,611 INFO L895 garLoopResultBuilder]: At program point $Ultimate##97(lines 3976 3980) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,611 INFO L895 garLoopResultBuilder]: At program point $Ultimate##95(lines 3970 3974) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,611 INFO L895 garLoopResultBuilder]: At program point pt_read_ldv_22969#1(lines 3905 4053) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,612 INFO L899 garLoopResultBuilder]: For program point L4382(line 4382) no Hoare annotation was computed. [2022-12-14 05:39:29,612 INFO L899 garLoopResultBuilder]: For program point L4283(lines 4283 4288) no Hoare annotation was computed. [2022-12-14 05:39:29,612 INFO L899 garLoopResultBuilder]: For program point L4250(lines 4250 4269) no Hoare annotation was computed. [2022-12-14 05:39:29,612 INFO L899 garLoopResultBuilder]: For program point L4283-2(lines 4283 4288) no Hoare annotation was computed. [2022-12-14 05:39:29,612 INFO L899 garLoopResultBuilder]: For program point L5076-1(line 5076) no Hoare annotation was computed. [2022-12-14 05:39:29,612 INFO L895 garLoopResultBuilder]: At program point L5076(line 5076) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,612 INFO L899 garLoopResultBuilder]: For program point L3920(lines 3920 3931) no Hoare annotation was computed. [2022-12-14 05:39:29,612 INFO L895 garLoopResultBuilder]: At program point L3953(lines 3953 3969) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,612 INFO L899 garLoopResultBuilder]: For program point L3920-2(lines 3920 3931) no Hoare annotation was computed. [2022-12-14 05:39:29,612 INFO L899 garLoopResultBuilder]: For program point L3821(line 3821) no Hoare annotation was computed. [2022-12-14 05:39:29,612 INFO L899 garLoopResultBuilder]: For program point L3755-1(line 3755) no Hoare annotation was computed. [2022-12-14 05:39:29,612 INFO L895 garLoopResultBuilder]: At program point pt_init_returnLabel#1(lines 4229 4303) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,612 INFO L895 garLoopResultBuilder]: At program point L3755(line 3755) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (not (= |ULTIMATE.start_pt_detect_~tmp___1~6#1| (_ bv0 32))) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= |ULTIMATE.start_pt_detect_~specified~0#1| (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,612 INFO L895 garLoopResultBuilder]: At program point L4581(line 4581) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,612 INFO L895 garLoopResultBuilder]: At program point L4581-1(line 4581) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,612 INFO L899 garLoopResultBuilder]: For program point L4383(lines 4383 4391) no Hoare annotation was computed. [2022-12-14 05:39:29,612 INFO L899 garLoopResultBuilder]: For program point L3789(lines 3789 3792) no Hoare annotation was computed. [2022-12-14 05:39:29,612 INFO L899 garLoopResultBuilder]: For program point L3723-1(lines 3723 3725) no Hoare annotation was computed. [2022-12-14 05:39:29,613 INFO L895 garLoopResultBuilder]: At program point L3723(lines 3723 3725) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (bvsle |ULTIMATE.start_pt_detect_~unit~0#1| (_ bv3 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,613 INFO L895 garLoopResultBuilder]: At program point L4582(lines 4578 4585) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,613 INFO L895 garLoopResultBuilder]: At program point pt_read_ldv_22968#1(lines 3905 4053) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,613 INFO L895 garLoopResultBuilder]: At program point L4549(line 4549) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,613 INFO L895 garLoopResultBuilder]: At program point L4549-1(line 4549) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,613 INFO L895 garLoopResultBuilder]: At program point pt_detect_ldv_22914#1(lines 3701 3767) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (bvsle |ULTIMATE.start_pt_detect_~unit~0#1| (_ bv3 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,613 INFO L899 garLoopResultBuilder]: For program point L3988(lines 3988 3991) no Hoare annotation was computed. [2022-12-14 05:39:29,613 INFO L895 garLoopResultBuilder]: At program point L3922(line 3922) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,613 INFO L895 garLoopResultBuilder]: At program point L3988-2(lines 3988 3991) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,613 INFO L899 garLoopResultBuilder]: For program point L3856(line 3856) no Hoare annotation was computed. [2022-12-14 05:39:29,613 INFO L899 garLoopResultBuilder]: For program point L3922-1(line 3922) no Hoare annotation was computed. [2022-12-14 05:39:29,613 INFO L895 garLoopResultBuilder]: At program point $Ultimate##181(lines 4261 4265) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,613 INFO L895 garLoopResultBuilder]: At program point $Ultimate##188(lines 4291 4295) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,613 INFO L895 garLoopResultBuilder]: At program point L4550(lines 4546 4553) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,613 INFO L895 garLoopResultBuilder]: At program point pt_release_returnLabel#1(lines 3861 3884) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,614 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 05:39:29,614 INFO L899 garLoopResultBuilder]: For program point L4385(lines 4385 4389) no Hoare annotation was computed. [2022-12-14 05:39:29,614 INFO L899 garLoopResultBuilder]: For program point L3923(lines 3923 3926) no Hoare annotation was computed. [2022-12-14 05:39:29,614 INFO L899 garLoopResultBuilder]: For program point L4419(line 4419) no Hoare annotation was computed. [2022-12-14 05:39:29,614 INFO L899 garLoopResultBuilder]: For program point L3726(lines 3726 3735) no Hoare annotation was computed. [2022-12-14 05:39:29,614 INFO L899 garLoopResultBuilder]: For program point L4453(line 4453) no Hoare annotation was computed. [2022-12-14 05:39:29,614 INFO L899 garLoopResultBuilder]: For program point L4255(lines 4255 4258) no Hoare annotation was computed. [2022-12-14 05:39:29,614 INFO L899 garLoopResultBuilder]: For program point L4255-2(lines 4255 4258) no Hoare annotation was computed. [2022-12-14 05:39:29,614 INFO L899 garLoopResultBuilder]: For program point L4024(lines 4024 4028) no Hoare annotation was computed. [2022-12-14 05:39:29,614 INFO L895 garLoopResultBuilder]: At program point IS_ERR_returnLabel#1(lines 2804 2810) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,614 INFO L895 garLoopResultBuilder]: At program point L3826(lines 3826 3860) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,614 INFO L899 garLoopResultBuilder]: For program point L3793-1(line 3793) no Hoare annotation was computed. [2022-12-14 05:39:29,614 INFO L895 garLoopResultBuilder]: At program point L3793(line 3793) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,614 INFO L899 garLoopResultBuilder]: For program point L3727-1(line 3727) no Hoare annotation was computed. [2022-12-14 05:39:29,614 INFO L895 garLoopResultBuilder]: At program point L3727(line 3727) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (bvsle |ULTIMATE.start_pt_detect_~unit~0#1| (_ bv3 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,614 INFO L899 garLoopResultBuilder]: For program point L4256-1(line 4256) no Hoare annotation was computed. [2022-12-14 05:39:29,614 INFO L895 garLoopResultBuilder]: At program point $Ultimate##138(lines 4317 4321) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,614 INFO L895 garLoopResultBuilder]: At program point L4256(line 4256) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,615 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-14 05:39:29,615 INFO L899 garLoopResultBuilder]: For program point L3992(line 3992) no Hoare annotation was computed. [2022-12-14 05:39:29,615 INFO L899 garLoopResultBuilder]: For program point L4025-1(line 4025) no Hoare annotation was computed. [2022-12-14 05:39:29,615 INFO L895 garLoopResultBuilder]: At program point L4025(line 4025) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,615 INFO L895 garLoopResultBuilder]: At program point pt_init_ldv_23011#1(lines 4237 4302) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,615 INFO L895 garLoopResultBuilder]: At program point L3959(lines 3955 3969) the Hoare annotation is: false [2022-12-14 05:39:29,615 INFO L899 garLoopResultBuilder]: For program point L3728(lines 3728 3733) no Hoare annotation was computed. [2022-12-14 05:39:29,615 INFO L895 garLoopResultBuilder]: At program point $Ultimate##143(lines 4334 4338) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,615 INFO L895 garLoopResultBuilder]: At program point __register_chrdev_returnLabel#1(lines 5082 5084) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,615 INFO L899 garLoopResultBuilder]: For program point L3993(lines 3993 3996) no Hoare annotation was computed. [2022-12-14 05:39:29,615 INFO L899 garLoopResultBuilder]: For program point L3795(lines 3795 3798) no Hoare annotation was computed. [2022-12-14 05:39:29,615 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 05:39:29,615 INFO L899 garLoopResultBuilder]: For program point L4324-1(line 4324) no Hoare annotation was computed. [2022-12-14 05:39:29,615 INFO L895 garLoopResultBuilder]: At program point L4324(line 4324) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,615 INFO L899 garLoopResultBuilder]: For program point L2937-1(line 2937) no Hoare annotation was computed. [2022-12-14 05:39:29,615 INFO L899 garLoopResultBuilder]: For program point L3928(lines 3928 3931) no Hoare annotation was computed. [2022-12-14 05:39:29,615 INFO L895 garLoopResultBuilder]: At program point L2937(line 2937) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,616 INFO L895 garLoopResultBuilder]: At program point $Ultimate##161(lines 3739 3743) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,616 INFO L895 garLoopResultBuilder]: At program point L4589(line 4589) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,616 INFO L895 garLoopResultBuilder]: At program point L4589-1(line 4589) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,616 INFO L895 garLoopResultBuilder]: At program point $Ultimate##163(lines 3745 3760) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,616 INFO L895 garLoopResultBuilder]: At program point PTR_ERR_returnLabel#1(lines 2798 2803) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,616 INFO L895 garLoopResultBuilder]: At program point pt_read_ldv_22964#1(lines 3905 4053) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,616 INFO L895 garLoopResultBuilder]: At program point L4590(lines 4586 4593) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,616 INFO L895 garLoopResultBuilder]: At program point L4557(line 4557) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-12-14 05:39:29,616 INFO L895 garLoopResultBuilder]: At program point L4557-1(line 4557) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,616 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 05:39:29,616 INFO L899 garLoopResultBuilder]: For program point L3963(lines 3963 3967) no Hoare annotation was computed. [2022-12-14 05:39:29,616 INFO L899 garLoopResultBuilder]: For program point L2807-1(line 2807) no Hoare annotation was computed. [2022-12-14 05:39:29,616 INFO L895 garLoopResultBuilder]: At program point L2807(line 2807) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,616 INFO L895 garLoopResultBuilder]: At program point L3732(line 3732) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (bvsle |ULTIMATE.start_pt_detect_~unit~0#1| (_ bv3 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32)) (not (= |ULTIMATE.start_pt_detect_~tmp~18#1| (_ bv0 32)))) [2022-12-14 05:39:29,616 INFO L899 garLoopResultBuilder]: For program point L3732-1(line 3732) no Hoare annotation was computed. [2022-12-14 05:39:29,616 INFO L895 garLoopResultBuilder]: At program point L4558(lines 4554 4561) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,617 INFO L899 garLoopResultBuilder]: For program point L4426(line 4426) no Hoare annotation was computed. [2022-12-14 05:39:29,617 INFO L899 garLoopResultBuilder]: For program point L4393(line 4393) no Hoare annotation was computed. [2022-12-14 05:39:29,617 INFO L899 garLoopResultBuilder]: For program point L3997-1(line 3997) no Hoare annotation was computed. [2022-12-14 05:39:29,617 INFO L895 garLoopResultBuilder]: At program point L3997(line 3997) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,617 INFO L895 garLoopResultBuilder]: At program point pt_read_ldv_22963#1(lines 3905 4053) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,617 INFO L899 garLoopResultBuilder]: For program point L4427(lines 4427 4458) no Hoare annotation was computed. [2022-12-14 05:39:29,617 INFO L899 garLoopResultBuilder]: For program point L4394(lines 4394 4398) no Hoare annotation was computed. [2022-12-14 05:39:29,617 INFO L899 garLoopResultBuilder]: For program point L4460(line 4460) no Hoare annotation was computed. [2022-12-14 05:39:29,617 INFO L899 garLoopResultBuilder]: For program point L4328-2(lines 4328 4331) no Hoare annotation was computed. [2022-12-14 05:39:29,617 INFO L899 garLoopResultBuilder]: For program point L4328(lines 4328 4331) no Hoare annotation was computed. [2022-12-14 05:39:29,617 INFO L895 garLoopResultBuilder]: At program point L3998(line 3998) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,617 INFO L895 garLoopResultBuilder]: At program point $Ultimate##117(lines 4032 4036) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,617 INFO L899 garLoopResultBuilder]: For program point L3932(lines 3932 3935) no Hoare annotation was computed. [2022-12-14 05:39:29,617 INFO L899 garLoopResultBuilder]: For program point L3998-1(line 3998) no Hoare annotation was computed. [2022-12-14 05:39:29,617 INFO L899 garLoopResultBuilder]: For program point L3800(line 3800) no Hoare annotation was computed. [2022-12-14 05:39:29,617 INFO L899 garLoopResultBuilder]: For program point L3800-2(lines 3800 3803) no Hoare annotation was computed. [2022-12-14 05:39:29,617 INFO L895 garLoopResultBuilder]: At program point $Ultimate##121(lines 4046 4050) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,618 INFO L895 garLoopResultBuilder]: At program point L4329(line 4329) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-12-14 05:39:29,618 INFO L899 garLoopResultBuilder]: For program point L4329-1(line 4329) no Hoare annotation was computed. [2022-12-14 05:39:29,618 INFO L899 garLoopResultBuilder]: For program point xsFINAL(lines 3495 3530) no Hoare annotation was computed. [2022-12-14 05:39:29,618 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3495 3530) the Hoare annotation is: true [2022-12-14 05:39:29,618 INFO L902 garLoopResultBuilder]: At program point $Ultimate##10(lines 3523 3526) the Hoare annotation is: true [2022-12-14 05:39:29,618 INFO L902 garLoopResultBuilder]: At program point ldv_22874(lines 3501 3529) the Hoare annotation is: true [2022-12-14 05:39:29,618 INFO L899 garLoopResultBuilder]: For program point L3523-1(lines 3523 3526) no Hoare annotation was computed. [2022-12-14 05:39:29,618 INFO L902 garLoopResultBuilder]: At program point $Ultimate##8(lines 3517 3521) the Hoare annotation is: true [2022-12-14 05:39:29,618 INFO L899 garLoopResultBuilder]: For program point xsEXIT(lines 3495 3530) no Hoare annotation was computed. [2022-12-14 05:39:29,618 INFO L899 garLoopResultBuilder]: For program point L3507(line 3507) no Hoare annotation was computed. [2022-12-14 05:39:29,618 INFO L899 garLoopResultBuilder]: For program point L3507-2(lines 3507 3514) no Hoare annotation was computed. [2022-12-14 05:39:29,618 INFO L899 garLoopResultBuilder]: For program point L3507-4(lines 3507 3514) no Hoare annotation was computed. [2022-12-14 05:39:29,620 INFO L445 BasicCegarLoop]: Path program 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] [2022-12-14 05:39:29,621 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:39:29,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:39:29 BoogieIcfgContainer [2022-12-14 05:39:29,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:39:29,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:39:29,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:39:29,645 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:39:29,645 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:29:43" (3/4) ... [2022-12-14 05:39:29,647 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 05:39:29,652 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2022-12-14 05:39:29,652 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2022-12-14 05:39:29,652 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_17 [2022-12-14 05:39:29,652 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_identify [2022-12-14 05:39:29,652 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_inc [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_command [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_pt_mutex [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_wait [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2022-12-14 05:39:29,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_completion [2022-12-14 05:39:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_destroy [2022-12-14 05:39:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_block [2022-12-14 05:39:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-12-14 05:39:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2022-12-14 05:39:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_sleep [2022-12-14 05:39:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_probe [2022-12-14 05:39:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_media_access_cmd [2022-12-14 05:39:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write_fm [2022-12-14 05:39:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_rewind [2022-12-14 05:39:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-12-14 05:39:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iminor [2022-12-14 05:39:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_atapi [2022-12-14 05:39:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_poll_dsc [2022-12-14 05:39:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_pt_mutex [2022-12-14 05:39:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xn [2022-12-14 05:39:29,655 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2022-12-14 05:39:29,655 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2022-12-14 05:39:29,655 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_req_sense [2022-12-14 05:39:29,655 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2022-12-14 05:39:29,655 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_reset [2022-12-14 05:39:29,655 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2022-12-14 05:39:29,674 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 277 nodes and edges [2022-12-14 05:39:29,675 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 91 nodes and edges [2022-12-14 05:39:29,677 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-12-14 05:39:29,678 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 05:39:29,680 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 05:39:29,681 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 05:39:29,682 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 05:39:29,684 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 05:39:29,784 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 05:39:29,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:39:29,784 INFO L158 Benchmark]: Toolchain (without parser) took 614053.45ms. Allocated memory was 86.0MB in the beginning and 861.9MB in the end (delta: 775.9MB). Free memory was 50.3MB in the beginning and 532.0MB in the end (delta: -481.8MB). Peak memory consumption was 293.7MB. Max. memory is 16.1GB. [2022-12-14 05:39:29,784 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:39:29,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1131.77ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 50.1MB in the beginning and 50.1MB in the end (delta: -84.9kB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-14 05:39:29,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.94ms. Allocated memory is still 104.9MB. Free memory was 50.1MB in the beginning and 41.9MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 05:39:29,785 INFO L158 Benchmark]: Boogie Preprocessor took 80.58ms. Allocated memory is still 104.9MB. Free memory was 41.9MB in the beginning and 50.6MB in the end (delta: -8.7MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-12-14 05:39:29,785 INFO L158 Benchmark]: RCFGBuilder took 26233.83ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 50.6MB in the beginning and 40.2MB in the end (delta: 10.4MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2022-12-14 05:39:29,785 INFO L158 Benchmark]: TraceAbstraction took 586388.72ms. Allocated memory was 125.8MB in the beginning and 861.9MB in the end (delta: 736.1MB). Free memory was 40.2MB in the beginning and 562.4MB in the end (delta: -522.3MB). Peak memory consumption was 625.7MB. Max. memory is 16.1GB. [2022-12-14 05:39:29,785 INFO L158 Benchmark]: Witness Printer took 139.24ms. Allocated memory is still 861.9MB. Free memory was 562.4MB in the beginning and 532.0MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-14 05:39:29,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1131.77ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 50.1MB in the beginning and 50.1MB in the end (delta: -84.9kB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.94ms. Allocated memory is still 104.9MB. Free memory was 50.1MB in the beginning and 41.9MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.58ms. Allocated memory is still 104.9MB. Free memory was 41.9MB in the beginning and 50.6MB in the end (delta: -8.7MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * RCFGBuilder took 26233.83ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 50.6MB in the beginning and 40.2MB in the end (delta: 10.4MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * TraceAbstraction took 586388.72ms. Allocated memory was 125.8MB in the beginning and 861.9MB in the end (delta: 736.1MB). Free memory was 40.2MB in the beginning and 562.4MB in the end (delta: -522.3MB). Peak memory consumption was 625.7MB. Max. memory is 16.1GB. * Witness Printer took 139.24ms. Allocated memory is still 861.9MB. Free memory was 562.4MB in the beginning and 532.0MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4617]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 675 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 586.3s, OverallIterations: 26, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 105.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 358.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 43 mSolverCounterUnknown, 9856 SdHoareTripleChecker+Valid, 99.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9373 mSDsluCounter, 85640 SdHoareTripleChecker+Invalid, 98.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58375 mSDsCounter, 160 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 667 IncrementalHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 160 mSolverCounterUnsat, 27265 mSDtfsCounter, 667 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20729 GetRequests, 20542 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 23.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2374occurred in iteration=25, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 26 MinimizatonAttempts, 4211 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 302 LocationsWithAnnotation, 34556 PreInvPairs, 35579 NumberOfFragments, 3391 HoareAnnotationTreeSize, 34556 FomulaSimplifications, 209318 FormulaSimplificationTreeSizeReduction, 20.3s HoareSimplificationTime, 302 FomulaSimplificationsInter, 1011999 FormulaSimplificationTreeSizeReductionInter, 337.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.6s SsaConstructionTime, 27.5s SatisfiabilityAnalysisTime, 59.0s InterpolantComputationTime, 11898 NumberOfCodeBlocks, 11898 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 20718 ConstructedInterpolants, 0 QuantifiedInterpolants, 22423 SizeOfPredicates, 34 NumberOfNonLiveVariables, 82591 ConjunctsInSsa, 175 ConjunctsInUnsatCore, 74 InterpolantComputations, 24 PerfectInterpolantSequences, 53384/53618 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3905]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3691]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3076]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2935]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 2bv32 - InvariantResult [Line: 3451]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4554]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4150]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4362]: Loop Invariant Derived loop invariant: (((ldv_mutex_mutex_of_device == 1bv32 && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3376]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(1bv32 == ldv_state_variable_0)) || !(ldv_mutex_pt_mutex == 1bv32)) || ~bvsle32(i, 4bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32) - InvariantResult [Line: 4586]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 5093]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4129]: Loop Invariant Derived loop invariant: ((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 1bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32) - InvariantResult [Line: 3701]: Loop Invariant Derived loop invariant: ((((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ~bvsle32(unit, 3bv32)) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4362]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 5075]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3905]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3195]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 2bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) && (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 1bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) - InvariantResult [Line: 4570]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4237]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4261]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3739]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3885]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3451]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3777]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 2bv32 - InvariantResult [Line: 3976]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3970]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3429]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4304]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && 0bv32 == ldv_state_variable_1) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 2903]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5085]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4229]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4291]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3861]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3294]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4530]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 2bv32 - InvariantResult [Line: 2921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2798]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4046]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4546]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4538]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 2893]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5082]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3701]: Loop Invariant Derived loop invariant: ((((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ~bvsle32(unit, 3bv32)) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3235]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 2bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) && (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 1bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) - InvariantResult [Line: 3517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5043]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && 0bv32 == ldv_state_variable_1) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4578]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 2bv32 - InvariantResult [Line: 4237]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3274]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2811]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 2817]: Loop Invariant Derived loop invariant: ((((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ~bvsle32(unit, 3bv32)) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3195]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 2bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) && (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 1bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) - InvariantResult [Line: 2831]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 2bv32 - InvariantResult [Line: 3300]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3905]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4306]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4144]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4032]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4306]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && 0bv32 == ldv_state_variable_1) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 5096]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3420]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(1bv32 == ldv_state_variable_0)) || !(ldv_mutex_pt_mutex == 1bv32)) || ~bvsle32(i, 4bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32) - InvariantResult [Line: 5149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4129]: Loop Invariant Derived loop invariant: ((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 1bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32) - InvariantResult [Line: 4334]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && 0bv32 == ldv_state_variable_1) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3056]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3955]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4237]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4220]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2987]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3235]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 2bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) && (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 1bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) - InvariantResult [Line: 4250]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3955]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 3420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5053]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4594]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4306]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3769]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3905]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4317]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 2940]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 2bv32 - InvariantResult [Line: 4075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3745]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3826]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3210]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3414]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3717]: Loop Invariant Derived loop invariant: ((((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ~bvsle32(unit, 3bv32)) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 2804]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3056]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4562]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 2bv32 RESULT: Ultimate proved your program to be correct! [2022-12-14 05:39:29,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdcc1c1-c009-4804-8e01-c85a6a5de41d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE