./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:49:50,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:49:50,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:49:50,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:49:50,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:49:50,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:49:50,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:49:50,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:49:50,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:49:50,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:49:50,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:49:50,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:49:50,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:49:50,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:49:50,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:49:50,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:49:50,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:49:50,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:49:50,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:49:50,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:49:50,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:49:50,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:49:50,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:49:50,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:49:50,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:49:50,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:49:50,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:49:50,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:49:50,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:49:50,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:49:50,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:49:50,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:49:50,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:49:50,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:49:50,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:49:50,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:49:50,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:49:50,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:49:50,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:49:50,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:49:50,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:49:50,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 17:49:50,473 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:49:50,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:49:50,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:49:50,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:49:50,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:49:50,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:49:50,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:49:50,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:49:50,475 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:49:50,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:49:50,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:49:50,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:49:50,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:49:50,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:49:50,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:49:50,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:49:50,477 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:49:50,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:49:50,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:49:50,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:49:50,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:49:50,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:49:50,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:49:50,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:49:50,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:49:50,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:49:50,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:49:50,478 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:49:50,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:49:50,478 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:49:50,478 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:49:50,479 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:49:50,479 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d [2022-12-13 17:49:50,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:49:50,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:49:50,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:49:50,679 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:49:50,680 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:49:50,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-12-13 17:49:53,247 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:49:53,624 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:49:53,624 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-12-13 17:49:53,648 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/data/696a41e0a/cb9696dce3684342adbb2b2cf09a45fb/FLAG77cfcbe9e [2022-12-13 17:49:53,658 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/data/696a41e0a/cb9696dce3684342adbb2b2cf09a45fb [2022-12-13 17:49:53,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:49:53,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:49:53,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:49:53,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:49:53,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:49:53,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:49:53" (1/1) ... [2022-12-13 17:49:53,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@737ff860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:53, skipping insertion in model container [2022-12-13 17:49:53,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:49:53" (1/1) ... [2022-12-13 17:49:53,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:49:53,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:49:54,110 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 17:49:54,191 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 17:49:54,375 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 17:49:54,426 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-13 17:49:54,437 WARN L623 FunctionHandler]: Unknown extern function __tasklet_hi_schedule [2022-12-13 17:49:54,453 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:49:54,682 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:54,723 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_fb045b60-4505-4226-aaf0-c8d28c13dfca/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2022-12-13 17:49:54,868 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:54,872 WARN L623 FunctionHandler]: Unknown extern function gigaset_add_event [2022-12-13 17:49:54,875 WARN L623 FunctionHandler]: Unknown extern function gigaset_add_event [2022-12-13 17:49:54,932 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:54,933 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:54,935 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:54,936 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:54,937 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:54,938 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:54,939 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:54,953 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:54,958 WARN L623 FunctionHandler]: Unknown extern function gigaset_add_event [2022-12-13 17:49:54,962 WARN L623 FunctionHandler]: Unknown extern function usb_queue_reset_device [2022-12-13 17:49:54,966 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:54,968 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:54,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:54,974 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:54,975 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:54,976 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:54,976 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:54,981 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:49:54,982 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:54,982 WARN L623 FunctionHandler]: Unknown extern function gigaset_fill_inbuf [2022-12-13 17:49:54,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:54,984 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:54,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:54,986 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:54,998 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,001 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,001 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,002 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,004 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,005 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,009 WARN L623 FunctionHandler]: Unknown extern function usb_clear_halt [2022-12-13 17:49:55,010 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,011 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,011 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-12-13 17:49:55,012 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 17:49:55,016 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,017 WARN L623 FunctionHandler]: Unknown extern function usb_queue_reset_device [2022-12-13 17:49:55,017 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,018 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,018 WARN L623 FunctionHandler]: Unknown extern function usb_queue_reset_device [2022-12-13 17:49:55,023 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,024 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,025 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,025 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,026 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,030 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,031 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,031 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,032 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,032 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,033 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,033 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,034 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,035 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,035 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,036 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,036 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:49:55,037 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,043 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,044 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,045 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,048 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,054 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,055 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,066 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-13 17:49:55,067 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,067 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-13 17:49:55,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,073 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,075 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,075 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,077 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,077 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,083 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,084 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,084 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,085 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,086 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,087 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,088 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,088 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,089 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,089 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,090 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-13 17:49:55,091 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,091 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 17:49:55,091 WARN L623 FunctionHandler]: Unknown extern function gigaset_skb_sent [2022-12-13 17:49:55,092 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 17:49:55,092 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 17:49:55,097 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,098 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,099 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,099 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,100 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,101 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,102 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,103 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,104 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,104 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,105 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,106 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,111 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,112 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,112 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,113 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,113 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,113 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,114 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,114 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,114 WARN L623 FunctionHandler]: Unknown extern function usb_queue_reset_device [2022-12-13 17:49:55,114 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,115 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:49:55,119 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,120 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,120 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,121 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,122 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,122 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,123 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:49:55,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,124 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,124 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,126 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,126 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,131 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,132 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,133 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,133 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,138 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,140 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,147 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,152 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:49:55,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,154 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,155 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,156 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,157 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,157 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,163 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,164 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,165 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,166 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,171 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,171 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,177 WARN L623 FunctionHandler]: Unknown extern function gigaset_dbg_buffer [2022-12-13 17:49:55,178 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 17:49:55,179 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,180 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,181 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,182 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,183 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,184 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,184 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,203 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,203 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,204 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,204 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 17:49:55,205 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 17:49:55,205 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,205 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,211 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:49:55,212 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,213 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,213 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 17:49:55,213 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:49:55,215 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 17:49:55,220 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:49:55,221 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:49:55,225 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,226 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,231 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,232 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,232 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,232 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:49:55,233 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 17:49:55,234 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 17:49:55,234 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 17:49:55,240 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,241 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,241 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,242 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,242 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,243 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,243 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,244 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,245 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,246 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 17:49:55,246 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,247 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,247 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 17:49:55,248 WARN L623 FunctionHandler]: Unknown extern function gigaset_initcs [2022-12-13 17:49:55,252 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,253 WARN L623 FunctionHandler]: Unknown extern function gigaset_start [2022-12-13 17:49:55,253 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,254 WARN L623 FunctionHandler]: Unknown extern function gigaset_freecs [2022-12-13 17:49:55,255 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 17:49:55,255 WARN L623 FunctionHandler]: Unknown extern function gigaset_stop [2022-12-13 17:49:55,256 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 17:49:55,256 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,256 WARN L623 FunctionHandler]: Unknown extern function gigaset_freecs [2022-12-13 17:49:55,258 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,259 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 17:49:55,259 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 17:49:55,260 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:49:55,260 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,261 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,261 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,261 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,262 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,262 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,263 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 17:49:55,264 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 17:49:55,264 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:49:55,264 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,264 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,265 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 17:49:55,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,266 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,271 WARN L623 FunctionHandler]: Unknown extern function gigaset_initdriver [2022-12-13 17:49:55,272 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,272 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,273 WARN L623 FunctionHandler]: Unknown extern function gigaset_freedriver [2022-12-13 17:49:55,276 WARN L623 FunctionHandler]: Unknown extern function gigaset_blockdriver [2022-12-13 17:49:55,277 WARN L623 FunctionHandler]: Unknown extern function gigaset_shutdown [2022-12-13 17:49:55,278 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,278 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 17:49:55,278 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,279 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 17:49:55,279 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,280 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 17:49:55,280 WARN L623 FunctionHandler]: Unknown extern function gigaset_freedriver [2022-12-13 17:49:55,313 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 17:49:55,317 WARN L623 FunctionHandler]: Unknown extern function ldv_release_5 [2022-12-13 17:49:55,318 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_5 [2022-12-13 17:49:55,318 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:49:55,319 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:49:55,319 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:49:55,320 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 17:49:55,320 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 17:49:55,321 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:49:55,322 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:49:55,322 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:49:55,323 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 17:49:55,323 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 17:49:55,325 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,326 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,326 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,326 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,326 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,327 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,327 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,327 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,328 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 17:49:55,328 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 17:49:55,372 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:49:55,383 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 17:49:55,406 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,421 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,421 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,436 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,438 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,439 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,439 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,450 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,451 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,479 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,484 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,485 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,486 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,491 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,492 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 17:49:55,496 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 17:49:55,500 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,500 WARN L623 FunctionHandler]: Unknown extern function gigaset_isdn_rcv_err [2022-12-13 17:49:55,501 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,501 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 17:49:55,501 WARN L623 FunctionHandler]: Unknown extern function gigaset_isdn_rcv_err [2022-12-13 17:49:55,502 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,502 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 17:49:55,502 WARN L623 FunctionHandler]: Unknown extern function gigaset_isdn_rcv_err [2022-12-13 17:49:55,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,503 WARN L623 FunctionHandler]: Unknown extern function gigaset_skb_rcvd [2022-12-13 17:49:55,507 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,508 WARN L623 FunctionHandler]: Unknown extern function gigaset_isdn_rcv_err [2022-12-13 17:49:55,524 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 17:49:55,525 WARN L623 FunctionHandler]: Unknown extern function gigaset_skb_rcvd [2022-12-13 17:49:55,530 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,530 WARN L623 FunctionHandler]: Unknown extern function gigaset_dbg_buffer [2022-12-13 17:49:55,531 WARN L623 FunctionHandler]: Unknown extern function gigaset_handle_modem_response [2022-12-13 17:49:55,532 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,532 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,533 WARN L623 FunctionHandler]: Unknown extern function gigaset_dbg_buffer [2022-12-13 17:49:55,533 WARN L623 FunctionHandler]: Unknown extern function gigaset_if_receive [2022-12-13 17:49:55,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,534 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,535 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 17:49:55,535 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,536 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:49:55,543 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,552 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,568 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,568 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,573 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,574 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,575 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,580 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,580 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:49:55,667 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:49:55,738 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 17:49:55,739 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 17:49:55,740 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 17:49:55,740 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-13 17:49:55,741 WARN L623 FunctionHandler]: Unknown extern function __tasklet_hi_schedule [2022-12-13 17:49:55,741 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:49:55,745 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,746 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_fb045b60-4505-4226-aaf0-c8d28c13dfca/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2022-12-13 17:49:55,748 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,748 WARN L623 FunctionHandler]: Unknown extern function gigaset_add_event [2022-12-13 17:49:55,750 WARN L623 FunctionHandler]: Unknown extern function gigaset_add_event [2022-12-13 17:49:55,758 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,758 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,759 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,759 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,760 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,760 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,761 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,761 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,763 WARN L623 FunctionHandler]: Unknown extern function gigaset_add_event [2022-12-13 17:49:55,764 WARN L623 FunctionHandler]: Unknown extern function usb_queue_reset_device [2022-12-13 17:49:55,765 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,766 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,768 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,768 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,768 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,769 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,771 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:49:55,772 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,772 WARN L623 FunctionHandler]: Unknown extern function gigaset_fill_inbuf [2022-12-13 17:49:55,773 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,773 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,773 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,774 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,774 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,776 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,776 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,776 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,777 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,777 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,778 WARN L623 FunctionHandler]: Unknown extern function usb_clear_halt [2022-12-13 17:49:55,778 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,779 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,779 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-12-13 17:49:55,779 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 17:49:55,781 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,781 WARN L623 FunctionHandler]: Unknown extern function usb_queue_reset_device [2022-12-13 17:49:55,781 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,782 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,782 WARN L623 FunctionHandler]: Unknown extern function usb_queue_reset_device [2022-12-13 17:49:55,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,784 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,785 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,785 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,788 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,788 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,788 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,789 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,789 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,789 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,789 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,790 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,790 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,791 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,791 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,791 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:49:55,791 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,793 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,794 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,795 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,797 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,800 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,807 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-13 17:49:55,807 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,808 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-13 17:49:55,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,811 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,811 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,812 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,813 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,827 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,828 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,828 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,828 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,829 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,829 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,830 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,830 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,830 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,830 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,831 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,831 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-13 17:49:55,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,832 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 17:49:55,832 WARN L623 FunctionHandler]: Unknown extern function gigaset_skb_sent [2022-12-13 17:49:55,832 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 17:49:55,832 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 17:49:55,835 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,835 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,837 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,837 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,837 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,838 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,838 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,838 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,839 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,839 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,840 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,842 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,842 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,843 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,843 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,843 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,843 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,843 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,844 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,844 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,844 WARN L623 FunctionHandler]: Unknown extern function usb_queue_reset_device [2022-12-13 17:49:55,844 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,844 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:49:55,845 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,845 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,846 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,846 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,846 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,846 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,847 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:49:55,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,848 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,848 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,849 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,850 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,852 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,852 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,852 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,853 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,853 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,855 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,856 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,856 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,857 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,857 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,859 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:49:55,859 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,860 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,860 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,861 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,861 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,862 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,864 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,866 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,867 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,868 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,869 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,872 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,872 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,873 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,874 WARN L623 FunctionHandler]: Unknown extern function gigaset_dbg_buffer [2022-12-13 17:49:55,875 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 17:49:55,875 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,876 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,877 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,877 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,878 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,879 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,881 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,882 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,882 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,882 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 17:49:55,882 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 17:49:55,882 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,882 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,884 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,884 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:49:55,885 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,885 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,885 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 17:49:55,886 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:49:55,886 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 17:49:55,887 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:49:55,887 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:49:55,888 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,888 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,889 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,889 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,890 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,890 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:49:55,890 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 17:49:55,890 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 17:49:55,891 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 17:49:55,892 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,892 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,893 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,893 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,893 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,893 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,893 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,895 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 17:49:55,895 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,895 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,896 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 17:49:55,896 WARN L623 FunctionHandler]: Unknown extern function gigaset_initcs [2022-12-13 17:49:55,898 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,899 WARN L623 FunctionHandler]: Unknown extern function gigaset_start [2022-12-13 17:49:55,899 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,899 WARN L623 FunctionHandler]: Unknown extern function gigaset_freecs [2022-12-13 17:49:55,900 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 17:49:55,900 WARN L623 FunctionHandler]: Unknown extern function gigaset_stop [2022-12-13 17:49:55,901 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 17:49:55,901 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:49:55,901 WARN L623 FunctionHandler]: Unknown extern function gigaset_freecs [2022-12-13 17:49:55,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,903 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 17:49:55,903 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 17:49:55,903 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:49:55,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,904 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,904 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,904 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,904 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,905 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,905 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 17:49:55,906 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 17:49:55,906 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:49:55,906 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,906 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:49:55,906 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 17:49:55,907 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,907 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:49:55,908 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,909 WARN L623 FunctionHandler]: Unknown extern function gigaset_initdriver [2022-12-13 17:49:55,909 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,909 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,910 WARN L623 FunctionHandler]: Unknown extern function gigaset_freedriver [2022-12-13 17:49:55,910 WARN L623 FunctionHandler]: Unknown extern function gigaset_blockdriver [2022-12-13 17:49:55,910 WARN L623 FunctionHandler]: Unknown extern function gigaset_shutdown [2022-12-13 17:49:55,911 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,911 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 17:49:55,912 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,912 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 17:49:55,912 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,912 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 17:49:55,913 WARN L623 FunctionHandler]: Unknown extern function gigaset_freedriver [2022-12-13 17:49:55,922 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 17:49:55,926 WARN L623 FunctionHandler]: Unknown extern function ldv_release_5 [2022-12-13 17:49:55,926 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_5 [2022-12-13 17:49:55,927 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:49:55,927 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:49:55,928 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:49:55,928 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 17:49:55,928 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 17:49:55,929 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:49:55,930 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:49:55,930 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:49:55,930 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 17:49:55,931 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 17:49:55,932 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,932 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,932 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,933 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,933 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,933 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,933 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,950 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:49:55,951 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 17:49:55,951 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 17:49:55,953 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:49:55,953 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 17:49:55,954 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,956 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,956 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,957 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,958 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,960 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,967 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,969 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,971 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,971 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 17:49:55,972 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 17:49:55,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,973 WARN L623 FunctionHandler]: Unknown extern function gigaset_isdn_rcv_err [2022-12-13 17:49:55,973 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,973 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 17:49:55,974 WARN L623 FunctionHandler]: Unknown extern function gigaset_isdn_rcv_err [2022-12-13 17:49:55,974 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,974 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 17:49:55,974 WARN L623 FunctionHandler]: Unknown extern function gigaset_isdn_rcv_err [2022-12-13 17:49:55,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,975 WARN L623 FunctionHandler]: Unknown extern function gigaset_skb_rcvd [2022-12-13 17:49:55,975 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 17:49:55,976 WARN L623 FunctionHandler]: Unknown extern function gigaset_isdn_rcv_err [2022-12-13 17:49:55,984 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 17:49:55,984 WARN L623 FunctionHandler]: Unknown extern function gigaset_skb_rcvd [2022-12-13 17:49:55,986 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:49:55,986 WARN L623 FunctionHandler]: Unknown extern function gigaset_dbg_buffer [2022-12-13 17:49:55,987 WARN L623 FunctionHandler]: Unknown extern function gigaset_handle_modem_response [2022-12-13 17:49:55,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,988 WARN L623 FunctionHandler]: Unknown extern function gigaset_dbg_buffer [2022-12-13 17:49:55,989 WARN L623 FunctionHandler]: Unknown extern function gigaset_if_receive [2022-12-13 17:49:55,989 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,990 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:49:55,990 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 17:49:55,990 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:49:55,991 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:49:55,992 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,993 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,994 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,996 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,997 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,997 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,998 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,998 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:55,999 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:49:56,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:49:56,109 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:49:56,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:56 WrapperNode [2022-12-13 17:49:56,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:49:56,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:49:56,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:49:56,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:49:56,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:56" (1/1) ... [2022-12-13 17:49:56,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:56" (1/1) ... [2022-12-13 17:49:56,309 INFO L138 Inliner]: procedures = 318, calls = 3934, calls flagged for inlining = 135, calls inlined = 109, statements flattened = 6386 [2022-12-13 17:49:56,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:49:56,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:49:56,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:49:56,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:49:56,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:56" (1/1) ... [2022-12-13 17:49:56,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:56" (1/1) ... [2022-12-13 17:49:56,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:56" (1/1) ... [2022-12-13 17:49:56,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:56" (1/1) ... [2022-12-13 17:49:56,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:56" (1/1) ... [2022-12-13 17:49:56,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:56" (1/1) ... [2022-12-13 17:49:56,465 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:56" (1/1) ... [2022-12-13 17:49:56,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:56" (1/1) ... [2022-12-13 17:49:56,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:49:56,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:49:56,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:49:56,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:49:56,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:56" (1/1) ... [2022-12-13 17:49:56,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:49:56,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:49:56,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:49:56,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:49:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-12-13 17:49:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-12-13 17:49:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-13 17:49:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-13 17:49:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2022-12-13 17:49:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2022-12-13 17:49:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2022-12-13 17:49:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2022-12-13 17:49:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2022-12-13 17:49:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2022-12-13 17:49:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 17:49:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 17:49:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2022-12-13 17:49:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2022-12-13 17:49:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-12-13 17:49:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-12-13 17:49:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-12-13 17:49:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-12-13 17:49:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-13 17:49:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-13 17:49:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2022-12-13 17:49:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2022-12-13 17:49:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 17:49:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 17:49:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-12-13 17:49:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-12-13 17:49:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2022-12-13 17:49:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2022-12-13 17:49:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2022-12-13 17:49:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2022-12-13 17:49:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2022-12-13 17:49:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2022-12-13 17:49:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2022-12-13 17:49:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2022-12-13 17:49:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2022-12-13 17:49:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2022-12-13 17:49:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 17:49:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 17:49:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2022-12-13 17:49:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2022-12-13 17:49:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-13 17:49:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-13 17:49:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 17:49:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 17:49:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-12-13 17:49:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-12-13 17:49:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 17:49:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 17:49:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_43 [2022-12-13 17:49:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_43 [2022-12-13 17:49:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-12-13 17:49:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-12-13 17:49:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2022-12-13 17:49:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2022-12-13 17:49:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-12-13 17:49:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-12-13 17:49:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-12-13 17:49:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-12-13 17:49:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2022-12-13 17:49:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2022-12-13 17:49:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 17:49:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 17:49:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2022-12-13 17:49:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2022-12-13 17:49:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-12-13 17:49:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-12-13 17:49:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2022-12-13 17:49:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2022-12-13 17:49:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-12-13 17:49:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-12-13 17:49:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2022-12-13 17:49:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2022-12-13 17:49:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-12-13 17:49:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-12-13 17:49:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-12-13 17:49:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-12-13 17:49:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:49:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-12-13 17:49:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-12-13 17:49:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2022-12-13 17:49:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2022-12-13 17:49:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-13 17:49:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 17:49:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2022-12-13 17:49:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2022-12-13 17:49:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2022-12-13 17:49:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2022-12-13 17:49:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2022-12-13 17:49:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2022-12-13 17:49:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2022-12-13 17:49:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2022-12-13 17:49:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2022-12-13 17:49:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2022-12-13 17:49:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2022-12-13 17:49:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2022-12-13 17:49:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2022-12-13 17:49:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2022-12-13 17:49:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 17:49:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 17:49:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2022-12-13 17:49:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2022-12-13 17:49:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:49:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure read_int_callback [2022-12-13 17:49:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure read_int_callback [2022-12-13 17:49:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-12-13 17:49:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-12-13 17:49:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 17:49:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-12-13 17:49:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-12-13 17:49:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_statmsg [2022-12-13 17:49:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_statmsg [2022-12-13 17:49:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-12-13 17:49:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-12-13 17:49:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure read_ctrl_callback [2022-12-13 17:49:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ctrl_callback [2022-12-13 17:49:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 17:49:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 17:49:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2022-12-13 17:49:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2022-12-13 17:49:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-13 17:49:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-13 17:49:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2022-12-13 17:49:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2022-12-13 17:49:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 17:49:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 17:49:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2022-12-13 17:49:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2022-12-13 17:49:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 17:49:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 17:49:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-12-13 17:49:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-12-13 17:49:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2022-12-13 17:49:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2022-12-13 17:49:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2022-12-13 17:49:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2022-12-13 17:49:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2022-12-13 17:49:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2022-12-13 17:49:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 17:49:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2022-12-13 17:49:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2022-12-13 17:49:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-13 17:49:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-13 17:49:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 17:49:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 17:49:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2022-12-13 17:49:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2022-12-13 17:49:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-13 17:49:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-13 17:49:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-12-13 17:49:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-12-13 17:49:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-12-13 17:49:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-12-13 17:49:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2022-12-13 17:49:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2022-12-13 17:49:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 17:49:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 17:49:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 17:49:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2022-12-13 17:49:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2022-12-13 17:49:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 17:49:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 17:49:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2022-12-13 17:49:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2022-12-13 17:49:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 17:49:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-13 17:49:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-13 17:49:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-12-13 17:49:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-12-13 17:49:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2022-12-13 17:49:56,570 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2022-12-13 17:49:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2022-12-13 17:49:56,570 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2022-12-13 17:49:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2022-12-13 17:49:56,570 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2022-12-13 17:49:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:49:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure write_command_callback [2022-12-13 17:49:56,570 INFO L138 BoogieDeclarations]: Found implementation of procedure write_command_callback [2022-12-13 17:49:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2022-12-13 17:49:56,570 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2022-12-13 17:49:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 17:49:56,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 17:49:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 17:49:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 17:49:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 17:49:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 17:49:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2022-12-13 17:49:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2022-12-13 17:49:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-12-13 17:49:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-12-13 17:49:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-12-13 17:49:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-12-13 17:49:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-13 17:49:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-13 17:49:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2022-12-13 17:49:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2022-12-13 17:49:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-13 17:49:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-13 17:49:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-12-13 17:49:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-12-13 17:49:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2022-12-13 17:49:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2022-12-13 17:49:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-13 17:49:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-13 17:49:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure write_ctrl_callback [2022-12-13 17:49:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ctrl_callback [2022-12-13 17:49:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_callback [2022-12-13 17:49:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_callback [2022-12-13 17:49:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_41 [2022-12-13 17:49:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_41 [2022-12-13 17:49:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-12-13 17:49:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-12-13 17:49:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-12-13 17:49:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-12-13 17:49:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:49:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2022-12-13 17:49:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2022-12-13 17:49:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2022-12-13 17:49:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2022-12-13 17:49:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-13 17:49:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-13 17:49:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:49:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:49:57,097 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:49:57,100 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:49:57,328 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 17:49:58,186 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-12-13 17:50:01,841 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:50:01,861 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:50:01,861 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 17:50:01,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:50:01 BoogieIcfgContainer [2022-12-13 17:50:01,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:50:01,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:50:01,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:50:01,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:50:01,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:49:53" (1/3) ... [2022-12-13 17:50:01,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544df861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:50:01, skipping insertion in model container [2022-12-13 17:50:01,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:56" (2/3) ... [2022-12-13 17:50:01,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544df861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:50:01, skipping insertion in model container [2022-12-13 17:50:01,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:50:01" (3/3) ... [2022-12-13 17:50:01,873 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-12-13 17:50:01,887 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:50:01,887 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 17:50:01,973 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:50:01,979 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@15b96483, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:50:01,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 17:50:01,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 2078 states, 1433 states have (on average 1.3740404745289603) internal successors, (1969), 1508 states have internal predecessors, (1969), 541 states have call successors, (541), 104 states have call predecessors, (541), 102 states have return successors, (531), 502 states have call predecessors, (531), 531 states have call successors, (531) [2022-12-13 17:50:02,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-13 17:50:02,008 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:50:02,009 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:50:02,009 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:50:02,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:50:02,014 INFO L85 PathProgramCache]: Analyzing trace with hash -301365549, now seen corresponding path program 1 times [2022-12-13 17:50:02,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:50:02,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769882675] [2022-12-13 17:50:02,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:50:02,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:50:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:03,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:50:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:03,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:50:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:03,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:50:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:03,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:50:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:03,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:50:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:50:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:03,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 17:50:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:03,366 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 17:50:03,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:50:03,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769882675] [2022-12-13 17:50:03,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769882675] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:50:03,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:50:03,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 17:50:03,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823333260] [2022-12-13 17:50:03,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:50:03,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 17:50:03,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:50:03,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 17:50:03,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 17:50:03,403 INFO L87 Difference]: Start difference. First operand has 2078 states, 1433 states have (on average 1.3740404745289603) internal successors, (1969), 1508 states have internal predecessors, (1969), 541 states have call successors, (541), 104 states have call predecessors, (541), 102 states have return successors, (531), 502 states have call predecessors, (531), 531 states have call successors, (531) Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 17:50:19,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:50:19,534 INFO L93 Difference]: Finished difference Result 9285 states and 14249 transitions. [2022-12-13 17:50:19,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 17:50:19,536 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2022-12-13 17:50:19,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:50:19,587 INFO L225 Difference]: With dead ends: 9285 [2022-12-13 17:50:19,587 INFO L226 Difference]: Without dead ends: 7170 [2022-12-13 17:50:19,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-12-13 17:50:19,604 INFO L413 NwaCegarLoop]: 3084 mSDtfsCounter, 13754 mSDsluCounter, 9156 mSDsCounter, 0 mSdLazyCounter, 12504 mSolverCounterSat, 7355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14385 SdHoareTripleChecker+Valid, 12240 SdHoareTripleChecker+Invalid, 19859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7355 IncrementalHoareTripleChecker+Valid, 12504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-12-13 17:50:19,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14385 Valid, 12240 Invalid, 19859 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7355 Valid, 12504 Invalid, 0 Unknown, 0 Unchecked, 15.3s Time] [2022-12-13 17:50:19,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7170 states. [2022-12-13 17:50:20,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7170 to 5982. [2022-12-13 17:50:20,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5982 states, 4140 states have (on average 1.3700483091787439) internal successors, (5672), 4319 states have internal predecessors, (5672), 1541 states have call successors, (1541), 301 states have call predecessors, (1541), 300 states have return successors, (1536), 1449 states have call predecessors, (1536), 1536 states have call successors, (1536) [2022-12-13 17:50:20,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5982 states to 5982 states and 8749 transitions. [2022-12-13 17:50:20,093 INFO L78 Accepts]: Start accepts. Automaton has 5982 states and 8749 transitions. Word has length 66 [2022-12-13 17:50:20,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:50:20,093 INFO L495 AbstractCegarLoop]: Abstraction has 5982 states and 8749 transitions. [2022-12-13 17:50:20,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 17:50:20,094 INFO L276 IsEmpty]: Start isEmpty. Operand 5982 states and 8749 transitions. [2022-12-13 17:50:20,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-13 17:50:20,099 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:50:20,099 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:50:20,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:50:20,100 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:50:20,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:50:20,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1735094369, now seen corresponding path program 1 times [2022-12-13 17:50:20,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:50:20,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345393404] [2022-12-13 17:50:20,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:50:20,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:50:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:20,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:50:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:20,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:50:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:20,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:50:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:20,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:50:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:20,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:50:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:20,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:50:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:21,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:50:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:21,023 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 17:50:21,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:50:21,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345393404] [2022-12-13 17:50:21,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345393404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:50:21,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:50:21,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:50:21,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62046524] [2022-12-13 17:50:21,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:50:21,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:50:21,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:50:21,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:50:21,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:50:21,026 INFO L87 Difference]: Start difference. First operand 5982 states and 8749 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 17:50:33,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:50:33,090 INFO L93 Difference]: Finished difference Result 22337 states and 34764 transitions. [2022-12-13 17:50:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 17:50:33,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 69 [2022-12-13 17:50:33,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:50:33,233 INFO L225 Difference]: With dead ends: 22337 [2022-12-13 17:50:33,233 INFO L226 Difference]: Without dead ends: 16381 [2022-12-13 17:50:33,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-13 17:50:33,281 INFO L413 NwaCegarLoop]: 2819 mSDtfsCounter, 7451 mSDsluCounter, 5810 mSDsCounter, 0 mSdLazyCounter, 6684 mSolverCounterSat, 4576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7848 SdHoareTripleChecker+Valid, 8629 SdHoareTripleChecker+Invalid, 11260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4576 IncrementalHoareTripleChecker+Valid, 6684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-12-13 17:50:33,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7848 Valid, 8629 Invalid, 11260 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4576 Valid, 6684 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-12-13 17:50:33,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16381 states. [2022-12-13 17:50:33,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16381 to 13400. [2022-12-13 17:50:33,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13400 states, 9259 states have (on average 1.3575980127443568) internal successors, (12570), 9664 states have internal predecessors, (12570), 3373 states have call successors, (3373), 600 states have call predecessors, (3373), 767 states have return successors, (4347), 3347 states have call predecessors, (4347), 3368 states have call successors, (4347) [2022-12-13 17:50:33,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13400 states to 13400 states and 20290 transitions. [2022-12-13 17:50:33,978 INFO L78 Accepts]: Start accepts. Automaton has 13400 states and 20290 transitions. Word has length 69 [2022-12-13 17:50:33,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:50:33,978 INFO L495 AbstractCegarLoop]: Abstraction has 13400 states and 20290 transitions. [2022-12-13 17:50:33,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 17:50:33,979 INFO L276 IsEmpty]: Start isEmpty. Operand 13400 states and 20290 transitions. [2022-12-13 17:50:33,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-13 17:50:33,981 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:50:33,981 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:50:33,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:50:33,981 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:50:33,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:50:33,981 INFO L85 PathProgramCache]: Analyzing trace with hash 2045682879, now seen corresponding path program 1 times [2022-12-13 17:50:33,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:50:33,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595795800] [2022-12-13 17:50:33,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:50:33,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:50:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:34,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:50:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:34,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:50:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:34,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:50:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:34,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:50:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:34,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:50:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:34,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:50:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:34,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:50:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:34,754 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 17:50:34,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:50:34,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595795800] [2022-12-13 17:50:34,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595795800] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:50:34,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:50:34,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:50:34,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094079617] [2022-12-13 17:50:34,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:50:34,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:50:34,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:50:34,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:50:34,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:50:34,756 INFO L87 Difference]: Start difference. First operand 13400 states and 20290 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 17:50:41,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:50:47,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:50:47,194 INFO L93 Difference]: Finished difference Result 46075 states and 73516 transitions. [2022-12-13 17:50:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 17:50:47,196 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 70 [2022-12-13 17:50:47,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:50:47,370 INFO L225 Difference]: With dead ends: 46075 [2022-12-13 17:50:47,370 INFO L226 Difference]: Without dead ends: 32701 [2022-12-13 17:50:47,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-13 17:50:47,433 INFO L413 NwaCegarLoop]: 2781 mSDtfsCounter, 7409 mSDsluCounter, 5904 mSDsCounter, 0 mSdLazyCounter, 6809 mSolverCounterSat, 4511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7811 SdHoareTripleChecker+Valid, 8685 SdHoareTripleChecker+Invalid, 11320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4511 IncrementalHoareTripleChecker+Valid, 6809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-12-13 17:50:47,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7811 Valid, 8685 Invalid, 11320 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4511 Valid, 6809 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-12-13 17:50:47,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32701 states. [2022-12-13 17:50:48,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32701 to 28225. [2022-12-13 17:50:48,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28225 states, 19486 states have (on average 1.3514831160833418) internal successors, (26335), 20343 states have internal predecessors, (26335), 7037 states have call successors, (7037), 1198 states have call predecessors, (7037), 1701 states have return successors, (10470), 7143 states have call predecessors, (10470), 7032 states have call successors, (10470) [2022-12-13 17:50:48,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28225 states to 28225 states and 43842 transitions. [2022-12-13 17:50:48,965 INFO L78 Accepts]: Start accepts. Automaton has 28225 states and 43842 transitions. Word has length 70 [2022-12-13 17:50:48,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:50:48,965 INFO L495 AbstractCegarLoop]: Abstraction has 28225 states and 43842 transitions. [2022-12-13 17:50:48,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 17:50:48,966 INFO L276 IsEmpty]: Start isEmpty. Operand 28225 states and 43842 transitions. [2022-12-13 17:50:48,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-13 17:50:48,968 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:50:48,968 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:50:48,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:50:48,968 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:50:48,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:50:48,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1009301854, now seen corresponding path program 1 times [2022-12-13 17:50:48,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:50:48,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959755287] [2022-12-13 17:50:48,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:50:48,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:50:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:49,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:50:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:49,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:50:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:49,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:50:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:49,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:50:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:50:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:49,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:50:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:49,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:50:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:50:49,344 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 17:50:49,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:50:49,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959755287] [2022-12-13 17:50:49,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959755287] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:50:49,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:50:49,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:50:49,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755990398] [2022-12-13 17:50:49,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:50:49,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:50:49,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:50:49,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:50:49,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:50:49,347 INFO L87 Difference]: Start difference. First operand 28225 states and 43842 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 17:51:01,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:51:01,081 INFO L93 Difference]: Finished difference Result 32699 states and 51559 transitions. [2022-12-13 17:51:01,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 17:51:01,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 71 [2022-12-13 17:51:01,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:51:01,236 INFO L225 Difference]: With dead ends: 32699 [2022-12-13 17:51:01,237 INFO L226 Difference]: Without dead ends: 32696 [2022-12-13 17:51:01,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-13 17:51:01,248 INFO L413 NwaCegarLoop]: 2781 mSDtfsCounter, 8839 mSDsluCounter, 4948 mSDsCounter, 0 mSdLazyCounter, 5759 mSolverCounterSat, 6152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9243 SdHoareTripleChecker+Valid, 7729 SdHoareTripleChecker+Invalid, 11911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6152 IncrementalHoareTripleChecker+Valid, 5759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-12-13 17:51:01,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9243 Valid, 7729 Invalid, 11911 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6152 Valid, 5759 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-12-13 17:51:01,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32696 states. [2022-12-13 17:51:02,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32696 to 28226. [2022-12-13 17:51:02,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28226 states, 19487 states have (on average 1.351465079283625) internal successors, (26336), 20344 states have internal predecessors, (26336), 7037 states have call successors, (7037), 1198 states have call predecessors, (7037), 1701 states have return successors, (10470), 7143 states have call predecessors, (10470), 7032 states have call successors, (10470) [2022-12-13 17:51:02,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28226 states to 28226 states and 43843 transitions. [2022-12-13 17:51:02,526 INFO L78 Accepts]: Start accepts. Automaton has 28226 states and 43843 transitions. Word has length 71 [2022-12-13 17:51:02,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:51:02,526 INFO L495 AbstractCegarLoop]: Abstraction has 28226 states and 43843 transitions. [2022-12-13 17:51:02,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 17:51:02,526 INFO L276 IsEmpty]: Start isEmpty. Operand 28226 states and 43843 transitions. [2022-12-13 17:51:02,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-13 17:51:02,528 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:51:02,528 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:51:02,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 17:51:02,528 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:51:02,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:51:02,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1224543198, now seen corresponding path program 1 times [2022-12-13 17:51:02,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:51:02,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430801371] [2022-12-13 17:51:02,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:51:02,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:51:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:02,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:51:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:02,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:51:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:02,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:51:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:51:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:02,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:51:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:02,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:51:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:51:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:02,952 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 17:51:02,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:51:02,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430801371] [2022-12-13 17:51:02,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430801371] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:51:02,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:51:02,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:51:02,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608370562] [2022-12-13 17:51:02,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:51:02,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:51:02,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:51:02,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:51:02,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:51:02,955 INFO L87 Difference]: Start difference. First operand 28226 states and 43843 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 17:51:09,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:51:09,814 INFO L93 Difference]: Finished difference Result 32695 states and 51555 transitions. [2022-12-13 17:51:09,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:51:09,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 72 [2022-12-13 17:51:09,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:51:09,934 INFO L225 Difference]: With dead ends: 32695 [2022-12-13 17:51:09,934 INFO L226 Difference]: Without dead ends: 32692 [2022-12-13 17:51:09,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-13 17:51:09,948 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 5831 mSDsluCounter, 2613 mSDsCounter, 0 mSdLazyCounter, 2842 mSolverCounterSat, 3597 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6131 SdHoareTripleChecker+Valid, 4901 SdHoareTripleChecker+Invalid, 6439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3597 IncrementalHoareTripleChecker+Valid, 2842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:51:09,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6131 Valid, 4901 Invalid, 6439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3597 Valid, 2842 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-12-13 17:51:09,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32692 states. [2022-12-13 17:51:11,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32692 to 28225. [2022-12-13 17:51:11,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28225 states, 19487 states have (on average 1.3514137630215015) internal successors, (26335), 20343 states have internal predecessors, (26335), 7036 states have call successors, (7036), 1198 states have call predecessors, (7036), 1701 states have return successors, (10470), 7143 states have call predecessors, (10470), 7032 states have call successors, (10470) [2022-12-13 17:51:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28225 states to 28225 states and 43841 transitions. [2022-12-13 17:51:11,245 INFO L78 Accepts]: Start accepts. Automaton has 28225 states and 43841 transitions. Word has length 72 [2022-12-13 17:51:11,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:51:11,246 INFO L495 AbstractCegarLoop]: Abstraction has 28225 states and 43841 transitions. [2022-12-13 17:51:11,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 17:51:11,246 INFO L276 IsEmpty]: Start isEmpty. Operand 28225 states and 43841 transitions. [2022-12-13 17:51:11,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-13 17:51:11,248 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:51:11,248 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:51:11,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 17:51:11,248 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:51:11,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:51:11,249 INFO L85 PathProgramCache]: Analyzing trace with hash 692914597, now seen corresponding path program 1 times [2022-12-13 17:51:11,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:51:11,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171052549] [2022-12-13 17:51:11,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:51:11,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:51:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:11,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:51:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:11,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:51:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:11,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:51:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:11,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:51:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:11,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:51:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:11,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:51:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:11,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:51:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:11,662 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 17:51:11,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:51:11,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171052549] [2022-12-13 17:51:11,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171052549] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:51:11,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:51:11,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:51:11,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452671220] [2022-12-13 17:51:11,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:51:11,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:51:11,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:51:11,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:51:11,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:51:11,664 INFO L87 Difference]: Start difference. First operand 28225 states and 43841 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 17:51:19,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:51:19,754 INFO L93 Difference]: Finished difference Result 32694 states and 51553 transitions. [2022-12-13 17:51:19,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:51:19,755 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 73 [2022-12-13 17:51:19,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:51:19,904 INFO L225 Difference]: With dead ends: 32694 [2022-12-13 17:51:19,904 INFO L226 Difference]: Without dead ends: 32637 [2022-12-13 17:51:19,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-13 17:51:19,922 INFO L413 NwaCegarLoop]: 2287 mSDtfsCounter, 5148 mSDsluCounter, 3367 mSDsCounter, 0 mSdLazyCounter, 3402 mSolverCounterSat, 2756 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5448 SdHoareTripleChecker+Valid, 5654 SdHoareTripleChecker+Invalid, 6158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2756 IncrementalHoareTripleChecker+Valid, 3402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-13 17:51:19,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5448 Valid, 5654 Invalid, 6158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2756 Valid, 3402 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-12-13 17:51:19,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32637 states. [2022-12-13 17:51:21,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32637 to 28170. [2022-12-13 17:51:21,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28170 states, 19445 states have (on average 1.3515042427359218) internal successors, (26280), 20300 states have internal predecessors, (26280), 7025 states have call successors, (7025), 1196 states have call predecessors, (7025), 1699 states have return successors, (10460), 7133 states have call predecessors, (10460), 7022 states have call successors, (10460) [2022-12-13 17:51:21,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28170 states to 28170 states and 43765 transitions. [2022-12-13 17:51:21,317 INFO L78 Accepts]: Start accepts. Automaton has 28170 states and 43765 transitions. Word has length 73 [2022-12-13 17:51:21,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:51:21,317 INFO L495 AbstractCegarLoop]: Abstraction has 28170 states and 43765 transitions. [2022-12-13 17:51:21,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 17:51:21,317 INFO L276 IsEmpty]: Start isEmpty. Operand 28170 states and 43765 transitions. [2022-12-13 17:51:21,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-12-13 17:51:21,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:51:21,361 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 17:51:21,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 17:51:21,361 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:51:21,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:51:21,361 INFO L85 PathProgramCache]: Analyzing trace with hash -782248497, now seen corresponding path program 1 times [2022-12-13 17:51:21,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:51:21,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119275591] [2022-12-13 17:51:21,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:51:21,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:51:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:51:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:51:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:51:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:51:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:51:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:51:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 17:51:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:51:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 17:51:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 17:51:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 17:51:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:51:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:51:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:51:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:51:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 17:51:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:51:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:51:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:51:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 17:51:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:51:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 17:51:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:51:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 17:51:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 17:51:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 17:51:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-12-13 17:51:21,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:51:21,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119275591] [2022-12-13 17:51:21,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119275591] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:51:21,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:51:21,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 17:51:21,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577960570] [2022-12-13 17:51:21,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:51:21,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 17:51:21,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:51:21,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 17:51:21,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-13 17:51:21,958 INFO L87 Difference]: Start difference. First operand 28170 states and 43765 transitions. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 9 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 17:51:52,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:51:52,163 INFO L93 Difference]: Finished difference Result 107533 states and 171056 transitions. [2022-12-13 17:51:52,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-13 17:51:52,163 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 9 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 202 [2022-12-13 17:51:52,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:51:52,527 INFO L225 Difference]: With dead ends: 107533 [2022-12-13 17:51:52,527 INFO L226 Difference]: Without dead ends: 79389 [2022-12-13 17:51:52,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2022-12-13 17:51:52,688 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 14324 mSDsluCounter, 9150 mSDsCounter, 0 mSdLazyCounter, 16309 mSolverCounterSat, 12995 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14860 SdHoareTripleChecker+Valid, 11498 SdHoareTripleChecker+Invalid, 29304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12995 IncrementalHoareTripleChecker+Valid, 16309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2022-12-13 17:51:52,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14860 Valid, 11498 Invalid, 29304 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12995 Valid, 16309 Invalid, 0 Unknown, 0 Unchecked, 25.1s Time] [2022-12-13 17:51:52,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79389 states. [2022-12-13 17:51:56,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79389 to 55607. [2022-12-13 17:51:56,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55607 states, 37815 states have (on average 1.3440698135660452) internal successors, (50826), 39580 states have internal predecessors, (50826), 14629 states have call successors, (14629), 2299 states have call predecessors, (14629), 3162 states have return successors, (18808), 14782 states have call predecessors, (18808), 14626 states have call successors, (18808) [2022-12-13 17:51:56,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55607 states to 55607 states and 84263 transitions. [2022-12-13 17:51:56,635 INFO L78 Accepts]: Start accepts. Automaton has 55607 states and 84263 transitions. Word has length 202 [2022-12-13 17:51:56,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:51:56,635 INFO L495 AbstractCegarLoop]: Abstraction has 55607 states and 84263 transitions. [2022-12-13 17:51:56,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 9 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 17:51:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 55607 states and 84263 transitions. [2022-12-13 17:51:56,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-12-13 17:51:56,735 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:51:56,735 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 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] [2022-12-13 17:51:56,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 17:51:56,736 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:51:56,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:51:56,736 INFO L85 PathProgramCache]: Analyzing trace with hash -450039833, now seen corresponding path program 1 times [2022-12-13 17:51:56,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:51:56,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801950062] [2022-12-13 17:51:56,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:51:56,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:51:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:51:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:51:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:51:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:51:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:51:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:51:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:51:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 17:51:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 17:51:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 17:51:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 17:51:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 17:51:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 17:51:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:51:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:51:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 17:51:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:51:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 17:51:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:51:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:51:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:51:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 17:51:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:51:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 17:51:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:51:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:51:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 17:51:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 17:51:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:51:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-12-13 17:51:57,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:51:57,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801950062] [2022-12-13 17:51:57,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801950062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:51:57,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:51:57,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 17:51:57,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440977315] [2022-12-13 17:51:57,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:51:57,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 17:51:57,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:51:57,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 17:51:57,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-12-13 17:51:57,420 INFO L87 Difference]: Start difference. First operand 55607 states and 84263 transitions. Second operand has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 17:52:08,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:52:10,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:52:20,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:52:20,582 INFO L93 Difference]: Finished difference Result 141007 states and 230360 transitions. [2022-12-13 17:52:20,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 17:52:20,583 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 232 [2022-12-13 17:52:20,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:52:21,026 INFO L225 Difference]: With dead ends: 141007 [2022-12-13 17:52:21,027 INFO L226 Difference]: Without dead ends: 85426 [2022-12-13 17:52:21,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=214, Invalid=656, Unknown=0, NotChecked=0, Total=870 [2022-12-13 17:52:21,286 INFO L413 NwaCegarLoop]: 2560 mSDtfsCounter, 12804 mSDsluCounter, 10066 mSDsCounter, 0 mSdLazyCounter, 9802 mSolverCounterSat, 11718 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13185 SdHoareTripleChecker+Valid, 12626 SdHoareTripleChecker+Invalid, 21520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11718 IncrementalHoareTripleChecker+Valid, 9802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-12-13 17:52:21,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13185 Valid, 12626 Invalid, 21520 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11718 Valid, 9802 Invalid, 0 Unknown, 0 Unchecked, 16.6s Time] [2022-12-13 17:52:21,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85426 states. [2022-12-13 17:52:26,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85426 to 55639. [2022-12-13 17:52:26,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55639 states, 37847 states have (on average 1.3436203662113246) internal successors, (50852), 39612 states have internal predecessors, (50852), 14629 states have call successors, (14629), 2299 states have call predecessors, (14629), 3162 states have return successors, (18808), 14782 states have call predecessors, (18808), 14626 states have call successors, (18808) [2022-12-13 17:52:26,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55639 states to 55639 states and 84289 transitions. [2022-12-13 17:52:26,307 INFO L78 Accepts]: Start accepts. Automaton has 55639 states and 84289 transitions. Word has length 232 [2022-12-13 17:52:26,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:52:26,307 INFO L495 AbstractCegarLoop]: Abstraction has 55639 states and 84289 transitions. [2022-12-13 17:52:26,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 17:52:26,307 INFO L276 IsEmpty]: Start isEmpty. Operand 55639 states and 84289 transitions. [2022-12-13 17:52:26,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-12-13 17:52:26,363 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:52:26,363 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 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] [2022-12-13 17:52:26,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 17:52:26,364 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:52:26,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:52:26,364 INFO L85 PathProgramCache]: Analyzing trace with hash -855695016, now seen corresponding path program 1 times [2022-12-13 17:52:26,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:52:26,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161076844] [2022-12-13 17:52:26,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:52:26,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:52:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:52:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:52:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:52:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:52:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:52:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:52:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:52:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 17:52:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:52:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 17:52:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 17:52:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 17:52:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 17:52:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:52:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:52:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 17:52:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:52:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 17:52:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 17:52:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 17:52:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 17:52:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 17:52:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 17:52:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 17:52:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 17:52:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:52:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 17:52:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 17:52:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:52:26,941 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-12-13 17:52:26,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:52:26,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161076844] [2022-12-13 17:52:26,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161076844] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:52:26,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:52:26,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 17:52:26,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414362755] [2022-12-13 17:52:26,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:52:26,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 17:52:26,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:52:26,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 17:52:26,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-12-13 17:52:26,943 INFO L87 Difference]: Start difference. First operand 55639 states and 84289 transitions. Second operand has 11 states, 11 states have (on average 11.909090909090908) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 17:52:45,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:52:50,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:52:52,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:53:12,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:53:12,938 INFO L93 Difference]: Finished difference Result 188243 states and 306665 transitions. [2022-12-13 17:53:12,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-12-13 17:53:12,939 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.909090909090908) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 238 [2022-12-13 17:53:12,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:53:13,606 INFO L225 Difference]: With dead ends: 188243 [2022-12-13 17:53:13,606 INFO L226 Difference]: Without dead ends: 132630 [2022-12-13 17:53:13,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=351, Invalid=1131, Unknown=0, NotChecked=0, Total=1482 [2022-12-13 17:53:13,877 INFO L413 NwaCegarLoop]: 4071 mSDtfsCounter, 12642 mSDsluCounter, 14725 mSDsCounter, 0 mSdLazyCounter, 18117 mSolverCounterSat, 14134 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13236 SdHoareTripleChecker+Valid, 18796 SdHoareTripleChecker+Invalid, 32252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14134 IncrementalHoareTripleChecker+Valid, 18117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:53:13,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13236 Valid, 18796 Invalid, 32252 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14134 Valid, 18117 Invalid, 1 Unknown, 0 Unchecked, 33.5s Time] [2022-12-13 17:53:13,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132630 states. [2022-12-13 17:53:22,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132630 to 92855. [2022-12-13 17:53:22,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92855 states, 63191 states have (on average 1.3431343071006947) internal successors, (84874), 66134 states have internal predecessors, (84874), 24387 states have call successors, (24387), 3837 states have call predecessors, (24387), 5276 states have return successors, (31354), 24636 states have call predecessors, (31354), 24384 states have call successors, (31354) [2022-12-13 17:53:22,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92855 states to 92855 states and 140615 transitions. [2022-12-13 17:53:22,495 INFO L78 Accepts]: Start accepts. Automaton has 92855 states and 140615 transitions. Word has length 238 [2022-12-13 17:53:22,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:53:22,495 INFO L495 AbstractCegarLoop]: Abstraction has 92855 states and 140615 transitions. [2022-12-13 17:53:22,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.909090909090908) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 17:53:22,495 INFO L276 IsEmpty]: Start isEmpty. Operand 92855 states and 140615 transitions. [2022-12-13 17:53:22,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-12-13 17:53:22,610 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:53:22,610 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 3, 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] [2022-12-13 17:53:22,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 17:53:22,610 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:53:22,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:53:22,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1810819017, now seen corresponding path program 1 times [2022-12-13 17:53:22,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:53:22,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164481257] [2022-12-13 17:53:22,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:53:22,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:53:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:53:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:53:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:53:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:53:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:53:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:53:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:53:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 17:53:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:53:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 17:53:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 17:53:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 17:53:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:53:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 17:53:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:53:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:53:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:22,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 17:53:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:53:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:53:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:53:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:53:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 17:53:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 17:53:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 17:53:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 17:53:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:53:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 17:53:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:53:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 17:53:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 17:53:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-12-13 17:53:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 17:53:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 17:53:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:23,159 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-12-13 17:53:23,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:53:23,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164481257] [2022-12-13 17:53:23,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164481257] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:53:23,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673152567] [2022-12-13 17:53:23,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:53:23,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:53:23,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:53:23,160 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:53:23,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 17:53:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:24,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 6385 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 17:53:24,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:53:24,232 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-12-13 17:53:24,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:53:24,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673152567] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:53:24,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:53:24,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 12 [2022-12-13 17:53:24,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19577117] [2022-12-13 17:53:24,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:53:24,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:53:24,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:53:24,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:53:24,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-13 17:53:24,234 INFO L87 Difference]: Start difference. First operand 92855 states and 140615 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-13 17:53:30,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:53:30,720 INFO L93 Difference]: Finished difference Result 169403 states and 256409 transitions. [2022-12-13 17:53:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:53:30,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 268 [2022-12-13 17:53:30,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:53:31,048 INFO L225 Difference]: With dead ends: 169403 [2022-12-13 17:53:31,048 INFO L226 Difference]: Without dead ends: 76572 [2022-12-13 17:53:31,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-13 17:53:31,302 INFO L413 NwaCegarLoop]: 3010 mSDtfsCounter, 11 mSDsluCounter, 2995 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 6005 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 [2022-12-13 17:53:31,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 6005 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 17:53:31,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76572 states. [2022-12-13 17:53:37,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76572 to 76206. [2022-12-13 17:53:37,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76206 states, 51879 states have (on average 1.3434337593245822) internal successors, (69696), 54290 states have internal predecessors, (69696), 19995 states have call successors, (19995), 3180 states have call predecessors, (19995), 4331 states have return successors, (25568), 20166 states have call predecessors, (25568), 19992 states have call successors, (25568) [2022-12-13 17:53:38,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76206 states to 76206 states and 115259 transitions. [2022-12-13 17:53:38,033 INFO L78 Accepts]: Start accepts. Automaton has 76206 states and 115259 transitions. Word has length 268 [2022-12-13 17:53:38,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:53:38,034 INFO L495 AbstractCegarLoop]: Abstraction has 76206 states and 115259 transitions. [2022-12-13 17:53:38,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-13 17:53:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand 76206 states and 115259 transitions. [2022-12-13 17:53:38,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-12-13 17:53:38,124 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:53:38,125 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:53:38,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:53:38,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 17:53:38,327 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:53:38,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:53:38,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1159221214, now seen corresponding path program 1 times [2022-12-13 17:53:38,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:53:38,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485754750] [2022-12-13 17:53:38,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:53:38,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:53:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:53:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:53:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:53:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:53:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:53:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:53:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:53:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 17:53:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 17:53:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 17:53:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:53:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 17:53:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 17:53:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:53:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 17:53:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:53:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:53:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 17:53:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:53:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:38,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:53:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:53:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:53:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 17:53:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 17:53:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 17:53:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 17:53:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:53:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 17:53:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:53:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 17:53:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 17:53:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 17:53:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 17:53:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 17:53:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,066 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-12-13 17:53:39,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:53:39,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485754750] [2022-12-13 17:53:39,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485754750] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:53:39,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127717240] [2022-12-13 17:53:39,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:53:39,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:53:39,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:53:39,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:53:39,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 17:53:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:39,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 6400 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 17:53:39,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:53:39,870 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-12-13 17:53:39,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:53:39,994 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-12-13 17:53:39,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127717240] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:53:39,994 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:53:39,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 13 [2022-12-13 17:53:39,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506589962] [2022-12-13 17:53:39,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:53:39,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 17:53:39,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:53:39,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 17:53:39,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-12-13 17:53:39,997 INFO L87 Difference]: Start difference. First operand 76206 states and 115259 transitions. Second operand has 13 states, 13 states have (on average 13.307692307692308) internal successors, (173), 6 states have internal predecessors, (173), 5 states have call successors, (73), 9 states have call predecessors, (73), 2 states have return successors, (51), 5 states have call predecessors, (51), 5 states have call successors, (51) [2022-12-13 17:54:04,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:54:04,848 INFO L93 Difference]: Finished difference Result 185898 states and 298724 transitions. [2022-12-13 17:54:04,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-13 17:54:04,849 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.307692307692308) internal successors, (173), 6 states have internal predecessors, (173), 5 states have call successors, (73), 9 states have call predecessors, (73), 2 states have return successors, (51), 5 states have call predecessors, (51), 5 states have call successors, (51) Word has length 272 [2022-12-13 17:54:04,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:54:05,450 INFO L225 Difference]: With dead ends: 185898 [2022-12-13 17:54:05,450 INFO L226 Difference]: Without dead ends: 109718 [2022-12-13 17:54:05,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 637 GetRequests, 609 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=206, Invalid=606, Unknown=0, NotChecked=0, Total=812 [2022-12-13 17:54:05,724 INFO L413 NwaCegarLoop]: 2040 mSDtfsCounter, 9136 mSDsluCounter, 6624 mSDsCounter, 0 mSdLazyCounter, 8256 mSolverCounterSat, 9066 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9360 SdHoareTripleChecker+Valid, 8664 SdHoareTripleChecker+Invalid, 17322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9066 IncrementalHoareTripleChecker+Valid, 8256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:54:05,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9360 Valid, 8664 Invalid, 17322 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9066 Valid, 8256 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2022-12-13 17:54:05,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109718 states. [2022-12-13 17:54:13,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109718 to 77382. [2022-12-13 17:54:13,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77382 states, 52663 states have (on average 1.3383210223496573) internal successors, (70480), 55074 states have internal predecessors, (70480), 20387 states have call successors, (20387), 3180 states have call predecessors, (20387), 4331 states have return successors, (26024), 20558 states have call predecessors, (26024), 20384 states have call successors, (26024) [2022-12-13 17:54:13,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77382 states to 77382 states and 116891 transitions. [2022-12-13 17:54:13,425 INFO L78 Accepts]: Start accepts. Automaton has 77382 states and 116891 transitions. Word has length 272 [2022-12-13 17:54:13,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:54:13,425 INFO L495 AbstractCegarLoop]: Abstraction has 77382 states and 116891 transitions. [2022-12-13 17:54:13,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.307692307692308) internal successors, (173), 6 states have internal predecessors, (173), 5 states have call successors, (73), 9 states have call predecessors, (73), 2 states have return successors, (51), 5 states have call predecessors, (51), 5 states have call successors, (51) [2022-12-13 17:54:13,426 INFO L276 IsEmpty]: Start isEmpty. Operand 77382 states and 116891 transitions. [2022-12-13 17:54:13,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-12-13 17:54:13,589 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:54:13,589 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:54:13,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 17:54:13,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:54:13,791 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:54:13,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:54:13,793 INFO L85 PathProgramCache]: Analyzing trace with hash -2138245624, now seen corresponding path program 1 times [2022-12-13 17:54:13,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:54:13,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164314622] [2022-12-13 17:54:13,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:54:13,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:54:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:54:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:54:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:54:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:54:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:54:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:54:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:54:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 17:54:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 17:54:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 17:54:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:54:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 17:54:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 17:54:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:54:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 17:54:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:54:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:54:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 17:54:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:54:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:54:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:54:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:54:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:54:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 17:54:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:54:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:54:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 17:54:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 17:54:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:54:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 17:54:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:54:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:54:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:54:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 17:54:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-12-13 17:54:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-12-13 17:54:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:14,364 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-12-13 17:54:14,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:54:14,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164314622] [2022-12-13 17:54:14,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164314622] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:54:14,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:54:14,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 17:54:14,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607140019] [2022-12-13 17:54:14,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:54:14,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 17:54:14,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:54:14,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 17:54:14,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 17:54:14,366 INFO L87 Difference]: Start difference. First operand 77382 states and 116891 transitions. Second operand has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 17:54:26,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:54:28,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:54:44,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:54:44,673 INFO L93 Difference]: Finished difference Result 197322 states and 314908 transitions. [2022-12-13 17:54:44,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 17:54:44,674 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 297 [2022-12-13 17:54:44,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:54:45,462 INFO L225 Difference]: With dead ends: 197322 [2022-12-13 17:54:45,462 INFO L226 Difference]: Without dead ends: 121679 [2022-12-13 17:54:45,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2022-12-13 17:54:45,799 INFO L413 NwaCegarLoop]: 2685 mSDtfsCounter, 4898 mSDsluCounter, 8866 mSDsCounter, 0 mSdLazyCounter, 7909 mSolverCounterSat, 3569 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5336 SdHoareTripleChecker+Valid, 11551 SdHoareTripleChecker+Invalid, 11479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3569 IncrementalHoareTripleChecker+Valid, 7909 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:54:45,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5336 Valid, 11551 Invalid, 11479 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3569 Valid, 7909 Invalid, 1 Unknown, 0 Unchecked, 16.7s Time] [2022-12-13 17:54:45,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121679 states. [2022-12-13 17:54:55,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121679 to 77398. [2022-12-13 17:54:55,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77398 states, 52679 states have (on average 1.338218265342926) internal successors, (70496), 55090 states have internal predecessors, (70496), 20387 states have call successors, (20387), 3180 states have call predecessors, (20387), 4331 states have return successors, (26024), 20558 states have call predecessors, (26024), 20384 states have call successors, (26024) [2022-12-13 17:54:55,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77398 states to 77398 states and 116907 transitions. [2022-12-13 17:54:55,799 INFO L78 Accepts]: Start accepts. Automaton has 77398 states and 116907 transitions. Word has length 297 [2022-12-13 17:54:55,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:54:55,799 INFO L495 AbstractCegarLoop]: Abstraction has 77398 states and 116907 transitions. [2022-12-13 17:54:55,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 17:54:55,799 INFO L276 IsEmpty]: Start isEmpty. Operand 77398 states and 116907 transitions. [2022-12-13 17:54:55,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-12-13 17:54:55,961 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:54:55,962 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:54:55,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 17:54:55,962 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:54:55,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:54:55,962 INFO L85 PathProgramCache]: Analyzing trace with hash 675573533, now seen corresponding path program 1 times [2022-12-13 17:54:55,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:54:55,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815809408] [2022-12-13 17:54:55,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:54:55,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:54:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:54:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:54:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:54:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:54:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:54:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:54:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:54:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 17:54:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 17:54:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 17:54:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:54:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 17:54:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 17:54:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:54:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 17:54:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:54:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:54:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 17:54:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:54:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:54:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:54:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:54:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:54:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 17:54:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:54:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:54:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 17:54:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 17:54:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:54:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 17:54:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:54:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:54:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:54:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 17:54:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:54:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-12-13 17:54:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:54:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-12-13 17:54:56,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:54:56,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815809408] [2022-12-13 17:54:56,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815809408] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:54:56,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:54:56,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 17:54:56,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778792527] [2022-12-13 17:54:56,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:54:56,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 17:54:56,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:54:56,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 17:54:56,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 17:54:56,508 INFO L87 Difference]: Start difference. First operand 77398 states and 116907 transitions. Second operand has 9 states, 9 states have (on average 17.666666666666668) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 17:55:09,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:55:29,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:55:29,931 INFO L93 Difference]: Finished difference Result 197322 states and 314892 transitions. [2022-12-13 17:55:29,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 17:55:29,933 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.666666666666668) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 301 [2022-12-13 17:55:29,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:55:30,765 INFO L225 Difference]: With dead ends: 197322 [2022-12-13 17:55:30,765 INFO L226 Difference]: Without dead ends: 121663 [2022-12-13 17:55:31,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2022-12-13 17:55:31,095 INFO L413 NwaCegarLoop]: 2649 mSDtfsCounter, 3442 mSDsluCounter, 10160 mSDsCounter, 0 mSdLazyCounter, 9386 mSolverCounterSat, 1710 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3886 SdHoareTripleChecker+Valid, 12809 SdHoareTripleChecker+Invalid, 11096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1710 IncrementalHoareTripleChecker+Valid, 9386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-12-13 17:55:31,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3886 Valid, 12809 Invalid, 11096 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1710 Valid, 9386 Invalid, 0 Unknown, 0 Unchecked, 18.1s Time] [2022-12-13 17:55:31,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121663 states. [2022-12-13 17:55:41,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121663 to 77430. [2022-12-13 17:55:41,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77430 states, 52711 states have (on average 1.33801293847584) internal successors, (70528), 55122 states have internal predecessors, (70528), 20387 states have call successors, (20387), 3180 states have call predecessors, (20387), 4331 states have return successors, (26024), 20558 states have call predecessors, (26024), 20384 states have call successors, (26024) [2022-12-13 17:55:41,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77430 states to 77430 states and 116939 transitions. [2022-12-13 17:55:41,438 INFO L78 Accepts]: Start accepts. Automaton has 77430 states and 116939 transitions. Word has length 301 [2022-12-13 17:55:41,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:55:41,439 INFO L495 AbstractCegarLoop]: Abstraction has 77430 states and 116939 transitions. [2022-12-13 17:55:41,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.666666666666668) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 17:55:41,439 INFO L276 IsEmpty]: Start isEmpty. Operand 77430 states and 116939 transitions. [2022-12-13 17:55:41,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-12-13 17:55:41,537 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:55:41,538 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:55:41,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 17:55:41,538 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:55:41,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:55:41,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1125174538, now seen corresponding path program 1 times [2022-12-13 17:55:41,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:55:41,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656385687] [2022-12-13 17:55:41,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:55:41,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:55:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:41,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:55:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:41,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:55:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:41,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:55:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:41,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:55:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:55:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:41,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:55:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:41,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:55:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:41,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 17:55:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:41,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 17:55:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:41,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 17:55:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:41,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:55:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:41,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 17:55:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:41,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 17:55:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:41,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:55:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 17:55:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:55:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:55:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 17:55:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:55:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:55:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:55:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:55:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:55:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 17:55:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:55:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:55:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 17:55:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:55:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:55:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 17:55:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:55:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:55:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 17:55:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 17:55:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:55:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 17:55:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:55:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:55:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:55:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 17:55:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 17:55:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-12-13 17:55:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:42,186 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2022-12-13 17:55:42,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:55:42,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656385687] [2022-12-13 17:55:42,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656385687] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:55:42,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397494048] [2022-12-13 17:55:42,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:55:42,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:55:42,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:55:42,187 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:55:42,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 17:55:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:55:43,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 7058 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:55:43,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:55:43,549 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-12-13 17:55:43,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:55:43,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397494048] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:55:43,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:55:43,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2022-12-13 17:55:43,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128887445] [2022-12-13 17:55:43,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:55:43,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:55:43,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:55:43,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:55:43,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-12-13 17:55:43,552 INFO L87 Difference]: Start difference. First operand 77430 states and 116939 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 17:55:52,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:55:52,688 INFO L93 Difference]: Finished difference Result 153121 states and 231342 transitions. [2022-12-13 17:55:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:55:52,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 345 [2022-12-13 17:55:52,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:55:53,034 INFO L225 Difference]: With dead ends: 153121 [2022-12-13 17:55:53,034 INFO L226 Difference]: Without dead ends: 77430 [2022-12-13 17:55:53,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-12-13 17:55:53,308 INFO L413 NwaCegarLoop]: 2999 mSDtfsCounter, 2800 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2800 SdHoareTripleChecker+Valid, 2999 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 [2022-12-13 17:55:53,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2800 Valid, 2999 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:55:53,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77430 states. [2022-12-13 17:56:02,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77430 to 77430. [2022-12-13 17:56:02,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77430 states, 52711 states have (on average 1.3377093965206504) internal successors, (70512), 55122 states have internal predecessors, (70512), 20387 states have call successors, (20387), 3180 states have call predecessors, (20387), 4331 states have return successors, (26024), 20558 states have call predecessors, (26024), 20384 states have call successors, (26024) [2022-12-13 17:56:03,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77430 states to 77430 states and 116923 transitions. [2022-12-13 17:56:03,154 INFO L78 Accepts]: Start accepts. Automaton has 77430 states and 116923 transitions. Word has length 345 [2022-12-13 17:56:03,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:56:03,155 INFO L495 AbstractCegarLoop]: Abstraction has 77430 states and 116923 transitions. [2022-12-13 17:56:03,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 17:56:03,155 INFO L276 IsEmpty]: Start isEmpty. Operand 77430 states and 116923 transitions. [2022-12-13 17:56:03,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-12-13 17:56:03,255 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:56:03,255 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:56:03,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 17:56:03,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 17:56:03,458 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:56:03,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:56:03,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1118808760, now seen corresponding path program 1 times [2022-12-13 17:56:03,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:56:03,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427272945] [2022-12-13 17:56:03,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:56:03,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:56:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:56:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:56:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:56:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:56:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:56:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:56:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:56:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 17:56:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 17:56:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 17:56:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:56:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 17:56:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 17:56:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:56:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 17:56:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:56:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:56:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 17:56:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:56:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:56:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:56:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:56:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:56:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 17:56:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:56:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:56:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 17:56:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:56:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:56:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 17:56:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:56:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:56:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 17:56:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 17:56:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:56:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 17:56:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:56:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:56:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:56:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 17:56:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 17:56:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-12-13 17:56:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:04,120 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2022-12-13 17:56:04,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:56:04,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427272945] [2022-12-13 17:56:04,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427272945] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:56:04,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397822656] [2022-12-13 17:56:04,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:56:04,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:56:04,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:56:04,122 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:56:04,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 17:56:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:05,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 7045 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 17:56:05,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:56:05,061 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 126 proven. 1 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2022-12-13 17:56:05,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:56:05,185 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2022-12-13 17:56:05,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397822656] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:56:05,185 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:56:05,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 12 [2022-12-13 17:56:05,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642845921] [2022-12-13 17:56:05,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:56:05,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 17:56:05,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:56:05,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 17:56:05,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-12-13 17:56:05,188 INFO L87 Difference]: Start difference. First operand 77430 states and 116923 transitions. Second operand has 12 states, 12 states have (on average 19.166666666666668) internal successors, (230), 6 states have internal predecessors, (230), 5 states have call successors, (69), 8 states have call predecessors, (69), 2 states have return successors, (47), 5 states have call predecessors, (47), 5 states have call successors, (47) [2022-12-13 17:56:15,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:56:36,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:56:36,692 INFO L93 Difference]: Finished difference Result 216238 states and 353898 transitions. [2022-12-13 17:56:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 17:56:36,693 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 19.166666666666668) internal successors, (230), 6 states have internal predecessors, (230), 5 states have call successors, (69), 8 states have call predecessors, (69), 2 states have return successors, (47), 5 states have call predecessors, (47), 5 states have call successors, (47) Word has length 345 [2022-12-13 17:56:36,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:56:37,468 INFO L225 Difference]: With dead ends: 216238 [2022-12-13 17:56:37,468 INFO L226 Difference]: Without dead ends: 140547 [2022-12-13 17:56:37,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 786 GetRequests, 769 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2022-12-13 17:56:37,800 INFO L413 NwaCegarLoop]: 2837 mSDtfsCounter, 6095 mSDsluCounter, 9655 mSDsCounter, 0 mSdLazyCounter, 8813 mSolverCounterSat, 3100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6836 SdHoareTripleChecker+Valid, 12492 SdHoareTripleChecker+Invalid, 11913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3100 IncrementalHoareTripleChecker+Valid, 8813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-12-13 17:56:37,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6836 Valid, 12492 Invalid, 11913 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3100 Valid, 8813 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2022-12-13 17:56:37,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140547 states. [2022-12-13 17:56:48,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140547 to 77814. [2022-12-13 17:56:49,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77814 states, 53031 states have (on average 1.3368784295977825) internal successors, (70896), 55442 states have internal predecessors, (70896), 20451 states have call successors, (20451), 3180 states have call predecessors, (20451), 4331 states have return successors, (26152), 20622 states have call predecessors, (26152), 20448 states have call successors, (26152) [2022-12-13 17:56:49,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77814 states to 77814 states and 117499 transitions. [2022-12-13 17:56:49,349 INFO L78 Accepts]: Start accepts. Automaton has 77814 states and 117499 transitions. Word has length 345 [2022-12-13 17:56:49,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:56:49,350 INFO L495 AbstractCegarLoop]: Abstraction has 77814 states and 117499 transitions. [2022-12-13 17:56:49,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 19.166666666666668) internal successors, (230), 6 states have internal predecessors, (230), 5 states have call successors, (69), 8 states have call predecessors, (69), 2 states have return successors, (47), 5 states have call predecessors, (47), 5 states have call successors, (47) [2022-12-13 17:56:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 77814 states and 117499 transitions. [2022-12-13 17:56:49,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-12-13 17:56:49,419 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:56:49,420 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 8, 8, 8, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:56:49,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 17:56:49,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 17:56:49,621 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:56:49,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:56:49,622 INFO L85 PathProgramCache]: Analyzing trace with hash -560030174, now seen corresponding path program 2 times [2022-12-13 17:56:49,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:56:49,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691937375] [2022-12-13 17:56:49,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:56:49,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:56:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:56:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:56:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:56:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:56:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:56:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:56:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:56:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 17:56:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 17:56:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 17:56:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:56:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 17:56:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 17:56:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:56:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 17:56:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:56:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:56:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 17:56:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:56:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:56:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:56:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:56:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:56:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:56:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 17:56:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:56:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 17:56:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 17:56:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 17:56:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 17:56:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 17:56:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:56:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 17:56:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:56:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 17:56:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:56:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 17:56:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:56:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 17:56:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-12-13 17:56:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-12-13 17:56:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 17:56:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2022-12-13 17:56:50,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:56:50,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691937375] [2022-12-13 17:56:50,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691937375] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:56:50,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583314569] [2022-12-13 17:56:50,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 17:56:50,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:56:50,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:56:50,363 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:56:50,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 17:56:51,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 17:56:51,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 17:56:51,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 6648 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 17:56:51,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:56:51,717 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-12-13 17:56:51,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:56:51,868 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2022-12-13 17:56:51,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583314569] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:56:51,869 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:56:51,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 12 [2022-12-13 17:56:51,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477431047] [2022-12-13 17:56:51,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:56:51,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 17:56:51,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:56:51,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 17:56:51,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-13 17:56:51,871 INFO L87 Difference]: Start difference. First operand 77814 states and 117499 transitions. Second operand has 12 states, 12 states have (on average 14.583333333333334) internal successors, (175), 5 states have internal predecessors, (175), 4 states have call successors, (70), 9 states have call predecessors, (70), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-12-13 17:57:03,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:57:23,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:57:23,012 INFO L93 Difference]: Finished difference Result 189555 states and 303838 transitions. [2022-12-13 17:57:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 17:57:23,013 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.583333333333334) internal successors, (175), 5 states have internal predecessors, (175), 4 states have call successors, (70), 9 states have call predecessors, (70), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 324 [2022-12-13 17:57:23,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:57:23,603 INFO L225 Difference]: With dead ends: 189555 [2022-12-13 17:57:23,603 INFO L226 Difference]: Without dead ends: 111767 [2022-12-13 17:57:23,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 754 GetRequests, 729 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2022-12-13 17:57:23,966 INFO L413 NwaCegarLoop]: 2040 mSDtfsCounter, 8985 mSDsluCounter, 5923 mSDsCounter, 0 mSdLazyCounter, 7155 mSolverCounterSat, 8919 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9213 SdHoareTripleChecker+Valid, 7963 SdHoareTripleChecker+Invalid, 16075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8919 IncrementalHoareTripleChecker+Valid, 7155 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:57:23,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9213 Valid, 7963 Invalid, 16075 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8919 Valid, 7155 Invalid, 1 Unknown, 0 Unchecked, 14.0s Time] [2022-12-13 17:57:24,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111767 states. [2022-12-13 17:57:35,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111767 to 79678. [2022-12-13 17:57:35,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79678 states, 54339 states have (on average 1.33057288503653) internal successors, (72302), 56734 states have internal predecessors, (72302), 21007 states have call successors, (21007), 3180 states have call predecessors, (21007), 4331 states have return successors, (26804), 21194 states have call predecessors, (26804), 21004 states have call successors, (26804) [2022-12-13 17:57:35,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79678 states to 79678 states and 120113 transitions. [2022-12-13 17:57:35,857 INFO L78 Accepts]: Start accepts. Automaton has 79678 states and 120113 transitions. Word has length 324 [2022-12-13 17:57:35,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:57:35,858 INFO L495 AbstractCegarLoop]: Abstraction has 79678 states and 120113 transitions. [2022-12-13 17:57:35,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.583333333333334) internal successors, (175), 5 states have internal predecessors, (175), 4 states have call successors, (70), 9 states have call predecessors, (70), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-12-13 17:57:35,858 INFO L276 IsEmpty]: Start isEmpty. Operand 79678 states and 120113 transitions. [2022-12-13 17:57:35,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2022-12-13 17:57:35,963 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:57:35,963 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 12, 12, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:57:35,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 17:57:36,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:57:36,165 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:57:36,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:57:36,167 INFO L85 PathProgramCache]: Analyzing trace with hash -331057566, now seen corresponding path program 2 times [2022-12-13 17:57:36,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:57:36,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310201287] [2022-12-13 17:57:36,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:57:36,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:57:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:57:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:57:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:57:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:57:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:57:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:57:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:57:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 17:57:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 17:57:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 17:57:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:57:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 17:57:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 17:57:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:57:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 17:57:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:57:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:57:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 17:57:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:57:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:57:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:57:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:57:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:57:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 17:57:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:57:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:57:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 17:57:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:57:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:57:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-12-13 17:57:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:57:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:57:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-12-13 17:57:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:57:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:57:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 17:57:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:57:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:57:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 17:57:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:57:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:57:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-12-13 17:57:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:57:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:57:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-12-13 17:57:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-12-13 17:57:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:57:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-12-13 17:57:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:57:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:57:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:57:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 17:57:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-12-13 17:57:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-12-13 17:57:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1074 trivial. 0 not checked. [2022-12-13 17:57:36,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:57:36,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310201287] [2022-12-13 17:57:36,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310201287] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:57:36,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359515307] [2022-12-13 17:57:36,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 17:57:36,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:57:36,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:57:36,854 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:57:36,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 17:57:37,976 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 17:57:37,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 17:57:38,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 7473 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 17:57:38,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:57:38,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2022-12-13 17:57:38,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:57:38,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1074 trivial. 0 not checked. [2022-12-13 17:57:38,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359515307] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:57:38,207 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:57:38,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 11 [2022-12-13 17:57:38,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175587000] [2022-12-13 17:57:38,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:57:38,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 17:57:38,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:57:38,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 17:57:38,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-12-13 17:57:38,209 INFO L87 Difference]: Start difference. First operand 79678 states and 120113 transitions. Second operand has 11 states, 11 states have (on average 20.272727272727273) internal successors, (223), 5 states have internal predecessors, (223), 4 states have call successors, (65), 8 states have call predecessors, (65), 2 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2022-12-13 17:57:52,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:57:53,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:58:15,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:58:15,515 INFO L93 Difference]: Finished difference Result 211373 states and 341128 transitions. [2022-12-13 17:58:15,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 17:58:15,516 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 20.272727272727273) internal successors, (223), 5 states have internal predecessors, (223), 4 states have call successors, (65), 8 states have call predecessors, (65), 2 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 433 [2022-12-13 17:58:15,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:58:16,189 INFO L225 Difference]: With dead ends: 211373 [2022-12-13 17:58:16,189 INFO L226 Difference]: Without dead ends: 133474 [2022-12-13 17:58:16,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 986 GetRequests, 970 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2022-12-13 17:58:16,449 INFO L413 NwaCegarLoop]: 2742 mSDtfsCounter, 6331 mSDsluCounter, 9704 mSDsCounter, 0 mSdLazyCounter, 8560 mSolverCounterSat, 4672 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6911 SdHoareTripleChecker+Valid, 12446 SdHoareTripleChecker+Invalid, 13232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4672 IncrementalHoareTripleChecker+Valid, 8560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:58:16,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6911 Valid, 12446 Invalid, 13232 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4672 Valid, 8560 Invalid, 0 Unknown, 0 Unchecked, 18.5s Time] [2022-12-13 17:58:16,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133474 states. [2022-12-13 17:58:28,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133474 to 80318. [2022-12-13 17:58:28,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80318 states, 54883 states have (on average 1.3296284824080316) internal successors, (72974), 57278 states have internal predecessors, (72974), 21103 states have call successors, (21103), 3180 states have call predecessors, (21103), 4331 states have return successors, (26996), 21290 states have call predecessors, (26996), 21100 states have call successors, (26996) [2022-12-13 17:58:28,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80318 states to 80318 states and 121073 transitions. [2022-12-13 17:58:28,840 INFO L78 Accepts]: Start accepts. Automaton has 80318 states and 121073 transitions. Word has length 433 [2022-12-13 17:58:28,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:58:28,841 INFO L495 AbstractCegarLoop]: Abstraction has 80318 states and 121073 transitions. [2022-12-13 17:58:28,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 20.272727272727273) internal successors, (223), 5 states have internal predecessors, (223), 4 states have call successors, (65), 8 states have call predecessors, (65), 2 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2022-12-13 17:58:28,841 INFO L276 IsEmpty]: Start isEmpty. Operand 80318 states and 121073 transitions. [2022-12-13 17:58:28,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-12-13 17:58:28,915 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:58:28,915 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 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] [2022-12-13 17:58:28,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-13 17:58:29,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 17:58:29,117 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:58:29,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:58:29,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1395301675, now seen corresponding path program 3 times [2022-12-13 17:58:29,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:58:29,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319373678] [2022-12-13 17:58:29,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:58:29,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:58:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:58:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:58:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:58:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:58:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:58:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:58:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:58:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 17:58:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 17:58:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 17:58:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:58:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 17:58:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 17:58:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:58:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 17:58:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:58:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:58:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 17:58:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:58:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:58:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:58:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:58:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:58:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:58:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 17:58:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:58:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 17:58:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 17:58:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 17:58:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 17:58:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 17:58:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 17:58:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 17:58:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 17:58:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 17:58:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:58:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 17:58:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 17:58:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:58:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 17:58:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 17:58:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 17:58:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 17:58:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 17:58:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 17:58:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 17:58:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 17:58:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 17:58:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:58:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 17:58:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:29,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 17:58:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:30,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-12-13 17:58:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:30,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-12-13 17:58:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:30,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-12-13 17:58:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:58:30,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-12-13 17:58:30,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:58:30,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319373678] [2022-12-13 17:58:30,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319373678] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:58:30,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141472853] [2022-12-13 17:58:30,025 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 17:58:30,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:58:30,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:58:30,026 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:58:30,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 17:58:30,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-13 17:58:30,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 17:58:30,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 5358 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 17:58:30,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:58:31,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-12-13 17:58:31,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:58:31,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141472853] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:58:31,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:58:31,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2022-12-13 17:58:31,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748759469] [2022-12-13 17:58:31,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:58:31,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:58:31,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:58:31,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:58:31,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-12-13 17:58:31,010 INFO L87 Difference]: Start difference. First operand 80318 states and 121073 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 17:58:53,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:58:53,847 INFO L93 Difference]: Finished difference Result 246822 states and 375545 transitions. [2022-12-13 17:58:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 17:58:53,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 406 [2022-12-13 17:58:53,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:58:54,585 INFO L225 Difference]: With dead ends: 246822 [2022-12-13 17:58:54,585 INFO L226 Difference]: Without dead ends: 168283 [2022-12-13 17:58:54,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 507 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2022-12-13 17:58:54,968 INFO L413 NwaCegarLoop]: 6240 mSDtfsCounter, 3873 mSDsluCounter, 14393 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3873 SdHoareTripleChecker+Valid, 20633 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:58:54,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3873 Valid, 20633 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [378 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 17:58:55,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168283 states. [2022-12-13 17:59:17,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168283 to 150012. [2022-12-13 17:59:17,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150012 states, 102490 states have (on average 1.329134549712167) internal successors, (136223), 106970 states have internal predecessors, (136223), 39456 states have call successors, (39456), 5900 states have call predecessors, (39456), 8065 states have return successors, (50590), 39808 states have call predecessors, (50590), 39453 states have call successors, (50590) [2022-12-13 17:59:18,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150012 states to 150012 states and 226269 transitions. [2022-12-13 17:59:18,173 INFO L78 Accepts]: Start accepts. Automaton has 150012 states and 226269 transitions. Word has length 406 [2022-12-13 17:59:18,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:59:18,174 INFO L495 AbstractCegarLoop]: Abstraction has 150012 states and 226269 transitions. [2022-12-13 17:59:18,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 17:59:18,174 INFO L276 IsEmpty]: Start isEmpty. Operand 150012 states and 226269 transitions. [2022-12-13 17:59:18,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-12-13 17:59:18,311 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:59:18,312 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 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] [2022-12-13 17:59:18,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 17:59:18,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 17:59:18,514 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:59:18,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:59:18,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1529315181, now seen corresponding path program 1 times [2022-12-13 17:59:18,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:59:18,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385857565] [2022-12-13 17:59:18,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:59:18,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:59:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:59:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 17:59:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:59:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:59:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:59:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 17:59:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:59:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 17:59:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 17:59:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 17:59:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:59:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 17:59:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 17:59:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:59:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 17:59:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:59:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:59:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 17:59:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:59:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:59:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:59:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:59:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:59:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:19,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:59:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 17:59:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 17:59:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 17:59:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 17:59:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 17:59:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 17:59:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 17:59:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 17:59:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 17:59:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 17:59:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 17:59:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:59:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 17:59:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 17:59:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:59:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 17:59:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 17:59:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 17:59:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 17:59:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 17:59:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 17:59:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 17:59:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 17:59:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 17:59:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:59:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 17:59:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 17:59:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-12-13 17:59:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-12-13 17:59:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-12-13 17:59:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2022-12-13 17:59:20,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:59:20,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385857565] [2022-12-13 17:59:20,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385857565] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:59:20,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948627472] [2022-12-13 17:59:20,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:59:20,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:59:20,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:59:20,099 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:59:20,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 17:59:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:59:21,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 7028 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 17:59:21,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:59:21,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2022-12-13 17:59:21,477 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:59:21,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948627472] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:59:21,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:59:21,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 18 [2022-12-13 17:59:21,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868984617] [2022-12-13 17:59:21,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:59:21,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 17:59:21,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:59:21,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 17:59:21,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2022-12-13 17:59:21,479 INFO L87 Difference]: Start difference. First operand 150012 states and 226269 transitions. Second operand has 7 states, 7 states have (on average 21.428571428571427) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 17:59:48,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:59:48,540 INFO L93 Difference]: Finished difference Result 306608 states and 465440 transitions. [2022-12-13 17:59:48,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 17:59:48,541 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.428571428571427) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) Word has length 406 [2022-12-13 17:59:48,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:59:49,297 INFO L225 Difference]: With dead ends: 306608 [2022-12-13 17:59:49,297 INFO L226 Difference]: Without dead ends: 158375 [2022-12-13 17:59:49,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2022-12-13 17:59:49,779 INFO L413 NwaCegarLoop]: 4823 mSDtfsCounter, 3805 mSDsluCounter, 14799 mSDsCounter, 0 mSdLazyCounter, 5931 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3876 SdHoareTripleChecker+Valid, 19622 SdHoareTripleChecker+Invalid, 6146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 5931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:59:49,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3876 Valid, 19622 Invalid, 6146 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [215 Valid, 5931 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-12-13 17:59:49,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158375 states. [2022-12-13 18:00:12,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158375 to 150068. [2022-12-13 18:00:12,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150068 states, 102530 states have (on average 1.3290061445430605) internal successors, (136263), 107018 states have internal predecessors, (136263), 39456 states have call successors, (39456), 5900 states have call predecessors, (39456), 8081 states have return successors, (50670), 39816 states have call predecessors, (50670), 39453 states have call successors, (50670) [2022-12-13 18:00:13,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150068 states to 150068 states and 226389 transitions. [2022-12-13 18:00:13,051 INFO L78 Accepts]: Start accepts. Automaton has 150068 states and 226389 transitions. Word has length 406 [2022-12-13 18:00:13,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:00:13,051 INFO L495 AbstractCegarLoop]: Abstraction has 150068 states and 226389 transitions. [2022-12-13 18:00:13,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.428571428571427) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 18:00:13,052 INFO L276 IsEmpty]: Start isEmpty. Operand 150068 states and 226389 transitions. [2022-12-13 18:00:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-12-13 18:00:13,394 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:00:13,394 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 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, 1, 1, 1] [2022-12-13 18:00:13,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 18:00:13,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:00:13,597 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:00:13,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:00:13,598 INFO L85 PathProgramCache]: Analyzing trace with hash -651918768, now seen corresponding path program 1 times [2022-12-13 18:00:13,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:00:13,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417785194] [2022-12-13 18:00:13,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:00:13,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:00:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:00:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:00:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 18:00:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 18:00:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 18:00:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 18:00:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 18:00:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 18:00:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 18:00:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:00:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 18:00:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 18:00:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:00:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:00:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 18:00:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 18:00:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:00:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 18:00:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 18:00:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:00:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 18:00:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 18:00:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:00:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 18:00:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 18:00:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 18:00:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 18:00:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 18:00:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:00:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 18:00:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:00:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:14,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:00:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 18:00:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 18:00:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 18:00:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 18:00:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 18:00:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 18:00:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 18:00:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 18:00:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 18:00:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 18:00:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 18:00:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 18:00:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 18:00:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 18:00:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 18:00:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 18:00:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 18:00:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 18:00:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 18:00:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 18:00:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-12-13 18:00:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-12-13 18:00:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-12-13 18:00:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:15,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2022-12-13 18:00:15,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:00:15,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417785194] [2022-12-13 18:00:15,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417785194] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:00:15,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918184084] [2022-12-13 18:00:15,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:00:15,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:00:15,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:00:15,082 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:00:15,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 18:00:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:00:16,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 7054 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 18:00:16,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:00:16,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-12-13 18:00:16,432 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:00:16,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918184084] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:00:16,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:00:16,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 18 [2022-12-13 18:00:16,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164731581] [2022-12-13 18:00:16,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:00:16,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:00:16,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:00:16,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:00:16,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2022-12-13 18:00:16,435 INFO L87 Difference]: Start difference. First operand 150068 states and 226389 transitions. Second operand has 7 states, 7 states have (on average 22.0) internal successors, (154), 5 states have internal predecessors, (154), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-13 18:00:51,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:00:51,534 INFO L93 Difference]: Finished difference Result 347542 states and 525601 transitions. [2022-12-13 18:00:51,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 18:00:51,535 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 5 states have internal predecessors, (154), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) Word has length 412 [2022-12-13 18:00:51,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:00:52,509 INFO L225 Difference]: With dead ends: 347542 [2022-12-13 18:00:52,509 INFO L226 Difference]: Without dead ends: 199253 [2022-12-13 18:00:53,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2022-12-13 18:00:53,001 INFO L413 NwaCegarLoop]: 5259 mSDtfsCounter, 8146 mSDsluCounter, 12521 mSDsCounter, 0 mSdLazyCounter, 7058 mSolverCounterSat, 1184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8157 SdHoareTripleChecker+Valid, 17780 SdHoareTripleChecker+Invalid, 8242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1184 IncrementalHoareTripleChecker+Valid, 7058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-12-13 18:00:53,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8157 Valid, 17780 Invalid, 8242 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1184 Valid, 7058 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-12-13 18:00:53,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199253 states. [2022-12-13 18:01:19,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199253 to 176028. [2022-12-13 18:01:19,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176028 states, 120430 states have (on average 1.3306568130864402) internal successors, (160251), 125676 states have internal predecessors, (160251), 46229 states have call successors, (46229), 7052 states have call predecessors, (46229), 9368 states have return successors, (57735), 46346 states have call predecessors, (57735), 46226 states have call successors, (57735) [2022-12-13 18:01:20,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176028 states to 176028 states and 264215 transitions. [2022-12-13 18:01:20,579 INFO L78 Accepts]: Start accepts. Automaton has 176028 states and 264215 transitions. Word has length 412 [2022-12-13 18:01:20,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:01:20,579 INFO L495 AbstractCegarLoop]: Abstraction has 176028 states and 264215 transitions. [2022-12-13 18:01:20,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 5 states have internal predecessors, (154), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-13 18:01:20,580 INFO L276 IsEmpty]: Start isEmpty. Operand 176028 states and 264215 transitions. [2022-12-13 18:01:20,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-12-13 18:01:20,879 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:01:20,880 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2022-12-13 18:01:20,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-12-13 18:01:21,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:01:21,082 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:01:21,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:01:21,083 INFO L85 PathProgramCache]: Analyzing trace with hash -680047693, now seen corresponding path program 2 times [2022-12-13 18:01:21,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:01:21,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537518563] [2022-12-13 18:01:21,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:01:21,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:01:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:01:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:01:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 18:01:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 18:01:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 18:01:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 18:01:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 18:01:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:01:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:01:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:01:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 18:01:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 18:01:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 18:01:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 18:01:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:01:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 18:01:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 18:01:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:01:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 18:01:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 18:01:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:01:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 18:01:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 18:01:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:01:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 18:01:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 18:01:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 18:01:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 18:01:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 18:01:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:01:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 18:01:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:01:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:01:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 18:01:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 18:01:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 18:01:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 18:01:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 18:01:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 18:01:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 18:01:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 18:01:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 18:01:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 18:01:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 18:01:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 18:01:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 18:01:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 18:01:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 18:01:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 18:01:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 18:01:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 18:01:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 18:01:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 18:01:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-12-13 18:01:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-12-13 18:01:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-12-13 18:01:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1209 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-12-13 18:01:22,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:01:22,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537518563] [2022-12-13 18:01:22,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537518563] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:01:22,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5177417] [2022-12-13 18:01:22,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 18:01:22,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:01:22,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:01:22,403 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:01:22,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb045b60-4505-4226-aaf0-c8d28c13dfca/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 18:01:23,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 18:01:23,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 18:01:23,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 7080 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 18:01:23,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:01:24,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1209 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2022-12-13 18:01:24,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:01:24,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1209 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-12-13 18:01:24,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5177417] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 18:01:24,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:01:24,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12, 6] total 18 [2022-12-13 18:01:24,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944265652] [2022-12-13 18:01:24,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:01:24,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:01:24,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:01:24,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:01:24,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-12-13 18:01:24,531 INFO L87 Difference]: Start difference. First operand 176028 states and 264215 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35)